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1986 Buick Regal Spark Plug

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Bosch Spark Plug
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(Read reviews)
Our List Price: $4.18
(47) In Stock
Part Number: 2665-05203767
Notes: Nickel -- Gap 0.035 in; Original equipment is nickel
Features:
  • Heavy-duty yttrium enhanced nickel-copper center electrode ensures superior reliability and durability for up to 50% longer performance life vs. standard copper plugs
  • Copper core provides broader heat range to resist pre-ignition and fouling
  • Nickel-plated rolled threads provide superior resistance to corrosion and do not require anti-seize - saving time
  • Angled, ribbed insulator design prevents misfire due to flash-over
  • Metal glass fused resistor maximizes interference suppression
  • Bosch Super Plus, with a heavy-duty yttrium-enhanced copper core center electrode, is the longest lasting copper core spark plug on the market.
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 3.8L V6 Turbocharged 

Bosch Spark Plug
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(Read reviews)
Our List Price: $4.83
(1) In Stock
Part Number: 2665-09021032
Notes: Nickel -- Gap 0.060 in
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: H
Vehicle Engine
1986 Buick Regal 5.0L V8 

Bosch Spark Plug
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(Read reviews)
Our List Price: $8.18
(99) In Stock
Part Number: 2665-05252116
Notes: OE Fine Wire Double Iridium -- Do Not Gap, Gap is Preset
Features:
  • Double Iridium electrodes - iridium firing pin and iridium ground electrode inlay offer higher performance and 4 times longer life compared to standard copper spark plugs
  • OE Fine Wire design requires up to 24% less voltage to ignite
  • 360 degree continuous laser welding increases durability for increased life
  • Copper core provides broader heat range to resist pre-ignition and fouling
  • Pre-gapped and nickel plated threads allow for quick installation without adjusting the gap or applying anti-seize
  • Tapered ground electrode allows for better ignition throughout the life of the spark plug
  • Bosch OE Fine Wire Iridium. The only iridium spark plug line engineered for both High Performance and Long Life.
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 5.0L V8 

Bosch Spark Plug
Click to Enlarge
(Read reviews)
Our List Price: $8.18
(99) In Stock
Part Number: 2665-05252116
Notes: OE Fine Wire Double Iridium -- Do Not Gap, Gap is Preset; Original equipment is nickel
Features:
  • Double Iridium electrodes - iridium firing pin and iridium ground electrode inlay offer higher performance and 4 times longer life compared to standard copper spark plugs
  • OE Fine Wire design requires up to 24% less voltage to ignite
  • 360 degree continuous laser welding increases durability for increased life
  • Copper core provides broader heat range to resist pre-ignition and fouling
  • Pre-gapped and nickel plated threads allow for quick installation without adjusting the gap or applying anti-seize
  • Tapered ground electrode allows for better ignition throughout the life of the spark plug
  • Bosch OE Fine Wire Iridium. The only iridium spark plug line engineered for both High Performance and Long Life.
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 3.8L V6 

Bosch Spark Plug
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(4 Reviews)
5 Stars
Bosch 9652
Spark Plug
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Our List Price: $8.18
(99) In Stock
Part Number: 2665-05250285
Notes: OE Fine Wire Double Iridium -- Do Not Gap, Gap is Preset; Original equipment is nickel
Features:
  • Double Iridium electrodes - iridium firing pin and iridium ground electrode inlay offer higher performance and 4 times longer life compared to standard copper spark plugs
  • OE Fine Wire design requires up to 24% less voltage to ignite
  • 360 degree continuous laser welding increases durability for increased life
  • Copper core provides broader heat range to resist pre-ignition and fouling
  • Pre-gapped and nickel plated threads allow for quick installation without adjusting the gap or applying anti-seize
  • Tapered ground electrode allows for better ignition throughout the life of the spark plug
  • Bosch OE Fine Wire Iridium. The only iridium spark plug line engineered for both High Performance and Long Life.
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 5.0L V8 

Bosch Spark Plug
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(10 Reviews)
5 Stars
Bosch 8100
Spark Plug
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Our List Price: $6.83
(11) In Stock
Part Number: 2665-09021062
Notes: OE Fine Wire Double Platinum -- Do Not Gap, Gap is Preset; Original equipment is nickel
Features:
  • Platinum on the center electrode pin and laser welded platinum inlay ground electrode provide three times longer life than conventional copper spark plugs
  • OE Fine Wire design requires up to 24% less voltage to ignite
  • 360 degree continuous laser welding increases durability for increased life
  • Copper core provides broader heat range to resist pre-ignition and fouling
  • Pre-gapped and nickel plated threads allow for quick installation without adjusting the gap or applying anti-seize
  • BOSCH OE Fine Wire Double Platinum utilize a platinum tip on both the center and ground electrodes to provide Long Life
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: H
Vehicle Engine
1986 Buick Regal 5.0L V8 

Bosch Spark Plug
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(Read reviews)
Our List Price: $5.18
(99) In Stock
Part Number: 2665-05252090
Notes: OE Fine Wire Platinum -- Do Not Gap, Gap is Preset
Features:
  • OE Fine Wire design requires up to 24% less voltage to ignite
  • Pre-gapped and nickel plated threads allow for quick installation without adjusting the gap or applying anti-seize
  • Tapered ground electrode allows for better ignition throughout the life of the spark plug
  • BOSCH OE Fine Wire Platinum deliver improved ignitability and fuel efficiency, and are an economical upgrade from conventional copper core spark plugs
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 5.0L V8 

Bosch Spark Plug
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(Read reviews)
Our List Price: $5.18
(99) In Stock
Part Number: 2665-05252086
Notes: OE Fine Wire Platinum -- Do Not Gap, Gap is Preset; Original equipment is nickel
Features:
  • OE Fine Wire design requires up to 24% less voltage to ignite
  • Pre-gapped and nickel plated threads allow for quick installation without adjusting the gap or applying anti-seize
  • Tapered ground electrode allows for better ignition throughout the life of the spark plug
  • BOSCH OE Fine Wire Platinum deliver improved ignitability and fuel efficiency, and are an economical upgrade from conventional copper core spark plugs
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 3.8L V6 

Bosch Spark Plug
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(Read reviews)
Our List Price: $3.18
(8) In Stock
Part Number: 2665-05120679
Notes: PLATINUM
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 3.8L V6 VIN: A 

Bosch Spark Plug
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(Read reviews)
Product List Price:
$6.55
Our List Price: $5.58
(77) In Stock
Part Number: W0133-1808604
Notes: Platinum Plus - UR4 NGK
Product Remark: HR9BPX+
Features:
  • OE-Equivalent and direct fit application.
  • Platinum center electrode, heat-fused into an extended insulator.
  • Nickel-plated rolled threads.
  • Tapered, yttrium-enhanced v-profile ground electrode.
  • Electrode gap is factory set and never requires adjustment.
  • Anti-seize and corrosion protection. The Platinum Plus reaches its self-cleaning temperature faster, and with a lower ignition voltage requirements, provides reliable starting in hot and cold weather extremes; providing a
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Part Fits: Catalog: A
Vehicle Sub Model Engine
1986 Buick Regal Limited  VIN: A 

Bosch Spark Plug
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(Read reviews)
Product List Price:
$6.55
Our List Price: $5.58
(77) In Stock
Part Number: W0133-1808604
Notes: Platinum Plus - UR4 NGK - Turbo
Product Remark: HR9BPX+
Features:
  • OE-Equivalent and direct fit application.
  • Platinum center electrode, heat-fused into an extended insulator.
  • Nickel-plated rolled threads.
  • Tapered, yttrium-enhanced v-profile ground electrode.
  • Electrode gap is factory set and never requires adjustment.
  • Anti-seize and corrosion protection. The Platinum Plus reaches its self-cleaning temperature faster, and with a lower ignition voltage requirements, provides reliable starting in hot and cold weather extremes; providing a
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Part Fits: Catalog: A
Vehicle Sub Model
1986 Buick Regal T-Type 

Bosch Spark Plug
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(Read reviews)
Product List Price:
$6.55
Our List Price: $5.58
(77) In Stock
Part Number: W0133-1808604
Notes: Platinum Plus - UR4 NGK - V6 3.8 - Turbo
Product Remark: HR9BPX+
Features:
  • OE-Equivalent and direct fit application.
  • Platinum center electrode, heat-fused into an extended insulator.
  • Nickel-plated rolled threads.
  • Tapered, yttrium-enhanced v-profile ground electrode.
  • Electrode gap is factory set and never requires adjustment.
  • Anti-seize and corrosion protection. The Platinum Plus reaches its self-cleaning temperature faster, and with a lower ignition voltage requirements, provides reliable starting in hot and cold weather extremes; providing a
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Part Fits: Catalog: A
Vehicle Sub Model Engine
1986 Buick Regal Base  VIN: A 

Bosch Spark Plug
Click to Enlarge
(Read reviews)
Product List Price:
$6.55
Our List Price: $5.58
(77) In Stock
Part Number: W0133-1808604
Notes: Platinum Plus - UR45 NGK
Product Remark: HR9BPX+
Features:
  • OE-Equivalent and direct fit application.
  • Platinum center electrode, heat-fused into an extended insulator.
  • Nickel-plated rolled threads.
  • Tapered, yttrium-enhanced v-profile ground electrode.
  • Electrode gap is factory set and never requires adjustment.
  • Anti-seize and corrosion protection. The Platinum Plus reaches its self-cleaning temperature faster, and with a lower ignition voltage requirements, provides reliable starting in hot and cold weather extremes; providing a
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Part Fits: Catalog: A
Vehicle Sub Model Engine
1986 Buick Regal Base  VIN: A 
1986 Buick Regal T-Type   

Bosch Spark Plug
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(Read reviews)
Our List Price: $5.83
(3) In Stock
Part Number: 2665-09020456
Notes: Platinum Plus -- Gap 0.060 in
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: H
Vehicle Engine
1986 Buick Regal 3.8L V6 VIN: A 

Bosch Spark Plug
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(Read reviews)
Our List Price: $7.18
(7) In Stock
Part Number: 2665-05310676
Notes: Platinum+2 -- Do Not Gap, Gap is Preset
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 3.8L V6 VIN: A 
1986 Buick Regal 5.0L V8 

Bosch Spark Plug
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(Read reviews)
Our List Price: $3.18
(16) In Stock
Part Number: 2665-05244466
Notes: SUPER
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 3.8L V6 VIN: A 

NGK Spark Plug
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(Read reviews)
Our List Price: $4.83
(96) In Stock
Part Number: 2665-09083068
Notes: G-Power Spark Plug -- Gap 0.035"
Features:
  • NGK G-Power Platinum spark plugs are an economical upgrade option from traditional spark plugs. Fine wire platinum center electrode provides excellent performance and fuel efficiency.
Condition: New

Core Copper Core
Tip Platinum

Shipping Options:
Ground
This Part Fits: Catalog: H
Vehicle Engine
1986 Buick Regal 3.8L V6 Turbocharged 

NGK Spark Plug
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(Read reviews)
Our List Price: $4.83
(96) In Stock
Part Number: 2665-09083068
Notes: G-Power Spark Plug -- Gap 0.045"
Features:
  • NGK G-Power Platinum spark plugs are an economical upgrade option from traditional spark plugs. Fine wire platinum center electrode provides excellent performance and fuel efficiency.
Condition: New

Core Copper Core
Tip Platinum

Shipping Options:
Ground
This Part Fits: Catalog: H
Vehicle Engine
1986 Buick Regal 5.0L V8 

NGK Spark Plug
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(Read reviews)
Our List Price: $4.83
(44) In Stock
Part Number: 2665-09083087
Notes: G-Power Spark Plug -- Gap 0.060"
Features:
  • NGK G-Power Platinum spark plugs are an economical upgrade option from traditional spark plugs. Fine wire platinum center electrode provides excellent performance and fuel efficiency.
Condition: New

Core Copper Core
Tip Platinum

Shipping Options:
Ground
This Part Fits: Catalog: H
Vehicle Engine
1986 Buick Regal 3.8L V6 Naturally Aspirated 

NGK Spark Plug
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(Read reviews)
Our List Price: $4.83
(16) In Stock
Part Number: 2665-09083075
Notes: G-Power Spark Plug -- Gap 0.060"
Features:
  • NGK G-Power Platinum spark plugs are an economical upgrade option from traditional spark plugs. Fine wire platinum center electrode provides excellent performance and fuel efficiency.
Condition: New

Core Copper Core
Tip Platinum

Shipping Options:
Ground
This Part Fits: Catalog: H
Vehicle Engine
1986 Buick Regal 5.0L V8 VIN: Y 

NGK Spark Plug
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(1 Reviews)
5 Stars
NGK 7401
Spark Plug
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Our List Price: $9.18
(99) In Stock
Part Number: 2665-05174498
Notes: Iridium IX Spark Plug -- Gap 0.035"
Features:
  • NGK Iridium IX spark plugs are designed specifically for the performance enthusiast. Iridium IX spark plugs offer extreme ignitibility, improved throttle response and superior anti-fouling.
Condition: New

Core Copper Core
Tip Iridium

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 3.8L V6 Turbocharged 

NGK Spark Plug
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(1 Reviews)
5 Stars
NGK 7401
Spark Plug
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Our List Price: $9.18
(99) In Stock
Part Number: 2665-05174498
Notes: Iridium IX Spark Plug -- Gap 0.045"
Features:
  • NGK Iridium IX spark plugs are designed specifically for the performance enthusiast. Iridium IX spark plugs offer extreme ignitibility, improved throttle response and superior anti-fouling.
Condition: New

Core Copper Core
Tip Iridium

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 5.0L V8 

NGK Spark Plug

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(Read reviews)
Our List Price: $8.98
(24) In Stock
Part Number: 2665-03344076
Notes: Iridium IX Spark Plug -- Gap 0.060"
Features:
  • NGK Iridium IX spark plugs are designed specifically for the performance enthusiast. Iridium IX spark plugs offer extreme ignitibility, improved throttle response and superior anti-fouling.
Condition: New

Core Copper Core
Tip Iridium

Shipping Options:
Ground
This Part Fits: Catalog: F
Vehicle Engine
1986 Buick Regal 3.8L V6 Naturally Aspirated 

NGK Spark Plug

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(Read reviews)
Our List Price: $2.98
(50) In Stock
Part Number: 2665-03344092
Notes: V-Power Spark Plug -- Gap 0.035"
Features:
  • Original equipment manufacturer approved and an excellent upgrade from standard spark plugs, NGK V-Power spark plugs feature a special V-Groove center electrode and concave ground electrode to increase ignitibility.
Condition: New

Core Copper Core
Tip Nickel with V-Groove

Shipping Options:
Ground
This Part Fits: Catalog: F
Vehicle Engine
1986 Buick Regal 3.8L V6 Turbocharged 

NGK Spark Plug

Click to Enlarge
(Read reviews)
Our List Price: $2.98
(50) In Stock
Part Number: 2665-03344092
Notes: V-Power Spark Plug -- Gap 0.045"
Features:
  • Original equipment manufacturer approved and an excellent upgrade from standard spark plugs, NGK V-Power spark plugs feature a special V-Groove center electrode and concave ground electrode to increase ignitibility.
Condition: New

Core Copper Core
Tip Nickel with V-Groove

Shipping Options:
Ground
This Part Fits: Catalog: F
Vehicle Engine
1986 Buick Regal 5.0L V8 

NGK Spark Plug
Click to Enlarge
(Read reviews)
Our List Price: $3.18
(90) In Stock
Part Number: 2665-05174398
Notes: V-Power Spark Plug -- Gap 0.060"
Features:
  • Original equipment manufacturer approved and an excellent upgrade from standard spark plugs, NGK V-Power spark plugs feature a special V-Groove center electrode and concave ground electrode to increase ignitibility.
Condition: New

Core Copper Core
Tip Nickel with V-Groove

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 5.0L V8 VIN: Y 

NGK Spark Plug

Click to Enlarge
(Read reviews)
Our List Price: $2.98
(50) In Stock
Part Number: 2665-03344075
Notes: V-Power Spark Plug -- Gap 0.060"
Features:
  • Original equipment manufacturer approved and an excellent upgrade from standard spark plugs, NGK V-Power spark plugs feature a special V-Groove center electrode and concave ground electrode to increase ignitibility.
Condition: New

Core Copper Core
Tip Nickel with V-Groove

Shipping Options:
Ground
This Part Fits: Catalog: F
Vehicle Engine
1986 Buick Regal 3.8L V6 Naturally Aspirated 

Autolite Spark Plug

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(Read reviews)
Our List Price: $2.98
(50) In Stock
Part Number: 2665-03651039
Notes: Copper Resistor Spark Plug -- .035" / 0.9mm; OE Style
Features:
  • Autolite Copper Core plugs are designed to meet or exceed OES design requirements.
Condition: New

Center Electrode Core Copper
Center Electrode Tip Material Nickel
Ground Electrode Tip Material Nickel

Shipping Options:
Ground
This Part Fits: Catalog: F
Vehicle Engine
1986 Buick Regal 3.8L V6 Turbocharged 

Autolite Spark Plug

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(Read reviews)
Our List Price: $2.98
(50) In Stock
Part Number: 2665-03651043
Notes: Copper Resistor Spark Plug -- .045" / 1.1mm; OE Style
Features:
  • Autolite Copper Core plugs are designed to meet or exceed OES design requirements.
Condition: New

Center Electrode Core Copper
Center Electrode Tip Material Nickel
Ground Electrode Tip Material Nickel

Shipping Options:
Ground
This Part Fits: Catalog: F
Vehicle Engine
1986 Buick Regal 5.0L V8 

Autolite Spark Plug

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(Read reviews)
Our List Price: $2.98
(50) In Stock
Part Number: 2665-03651083
Notes: Copper Resistor Spark Plug -- .060" / 1.5mm; OE Style
Features:
  • Autolite Copper Core plugs are designed to meet or exceed OES design requirements.
Condition: New

Center Electrode Core Copper
Center Electrode Tip Material Nickel
Ground Electrode Tip Material Nickel

Shipping Options:
Ground
This Part Fits: Catalog: F
Vehicle Engine
1986 Buick Regal 5.0L V8 

Autolite Spark Plug

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(Read reviews)
Our List Price: $2.98
(50) In Stock
Part Number: 2665-03651096
Notes: Copper Resistor Spark Plug -- .060" / 1.5mm; Replaces 664 and 665; OE Style
Features:
  • Autolite Copper Core plugs are designed to meet or exceed OES design requirements.
Condition: New

Center Electrode Core Copper
Center Electrode Tip Material Nickel
Ground Electrode Tip Material Nickel

Shipping Options:
Ground
This Part Fits: Catalog: F
Vehicle Engine
1986 Buick Regal 3.8L V6 Naturally Aspirated 

Autolite Spark Plug

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(Read reviews)
Our List Price: $5.98
(50) In Stock
Part Number: 2665-03651142
Notes: Double Platinum Spark Plug -- .035" / 0.9mm
Features:
  • Autolite Double Platinum plugs feature platinum-to-platinum firing which virtually eliminates gap erosion, reduces misfires and increases durability of the plug.
Condition: New

Center Electrode Core Copper
Center Electrode Tip Material Platinum
Ground Electrode Tip Material Platinum

Shipping Options:
Ground
This Part Fits: Catalog: F
Vehicle Engine
1986 Buick Regal 3.8L V6 Turbocharged 

Autolite Spark Plug
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(Read reviews)
Our List Price: $6.83
(24) In Stock
Part Number: 2665-09183057
Notes: Double Platinum Spark Plug -- .045"/1.1mm
Features:
  • Autolite Double Platinum plugs feature platinum-to-platinum firing which virtually eliminates gap erosion, reduces misfires and increases durability of the plug.
Condition: New

Center Electrode Core Copper
Center Electrode Tip Material Platinum
Ground Electrode Tip Material Platinum

Shipping Options:
Ground
This Part Fits: Catalog: H
Vehicle Engine
1986 Buick Regal 5.0L V8 

Autolite Spark Plug

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(Read reviews)
Our List Price: $6.98
(50) In Stock
Part Number: 2665-03651176
Notes: Iridium Spark Plug -- .035" / 0.9mm; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.
Features:
  • Our best spark plug! Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition.
Condition: New

Center Electrode Core Copper
Center Electrode Tip Material Iridium
Ground Electrode Tip Material Platinum

Shipping Options:
Ground
This Part Fits: Catalog: F
Vehicle Engine
1986 Buick Regal 3.8L V6 Turbocharged 

Autolite Spark Plug

Click to Enlarge
(Read reviews)
Our List Price: $6.98
(50) In Stock
Part Number: 2665-03651177
Notes: Iridium Spark Plug -- .045" / 1.1mm; Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.
Features:
  • Our best spark plug! Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition.
Condition: New

Center Electrode Core Copper
Center Electrode Tip Material Iridium
Ground Electrode Tip Material Platinum

Shipping Options:
Ground
This Part Fits: Catalog: F
Vehicle Engine
1986 Buick Regal 5.0L V8 

Autolite Spark Plug

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(Read reviews)
Our List Price: $3.98
(50) In Stock
Part Number: 2665-03651111
Notes: Platinum Spark Plug -- .035" / 0.9mm
Features:
  • Autolite Platinum plugs provide a center wire platinum firing tip which provides reduced gap erosion, fewer misfires, better performance and increased durability.
Condition: New

Center Electrode Core Copper
Center Electrode Tip Material Platinum
Ground Electrode Tip Material Nickel

Shipping Options:
Ground
This Part Fits: Catalog: F
Vehicle Engine
1986 Buick Regal 3.8L V6 Turbocharged 

Autolite Spark Plug

Click to Enlarge
(Read reviews)
Our List Price: $3.98
(50) In Stock
Part Number: 2665-03651112
Notes: Platinum Spark Plug -- .045" / 1.1mm
Features:
  • Autolite Platinum plugs provide a center wire platinum firing tip which provides reduced gap erosion, fewer misfires, better performance and increased durability.
Condition: New

Center Electrode Core Copper
Center Electrode Tip Material Platinum
Ground Electrode Tip Material Nickel

Shipping Options:
Ground
This Part Fits: Catalog: F
Vehicle Engine
1986 Buick Regal 5.0L V8 

Autolite Spark Plug
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(Read reviews)
Our List Price: $4.83
(20) In Stock
Part Number: 2665-09183043
Notes: Platinum Spark Plug -- .060"/1.5mm; Replaces AP664
Features:
  • Autolite Platinum plugs provide a center wire platinum firing tip which provides reduced gap erosion, fewer misfires, better performance and increased durability.
Condition: New

Center Electrode Core Copper
Center Electrode Tip Material Platinum
Ground Electrode Tip Material Nickel

Shipping Options:
Ground
This Part Fits: Catalog: H
Vehicle Engine
1986 Buick Regal 3.8L V6 Naturally Aspirated 

Motorcraft Spark Plug
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(1 Reviews)
5 Stars
Motorcraft SP-450
Spark Plug
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Our List Price: $4.18
(1) In Stock
Part Number: 2665-05048453
Notes: Spark Plug -- .035"/0.9mm; OE Style; Plug Material: Copper; -450-A
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 3.8L V6 Turbocharged 

Motorcraft Spark Plug
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(Read reviews)
Our List Price: $5.18
(99) In Stock
Part Number: 2665-05048477
Notes: Spark Plug -- .035"/0.9mm; Plug Material: Platinum
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 3.8L V6 Turbocharged 

Motorcraft Spark Plug

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(Read reviews)
Our List Price: $6.73
(12) In Stock
Part Number: 2665-07314542
Notes: Spark Plug -- .060 Gap; 2 Reqd; Platinum Finewire Center Electrode w/o Nickel Plated Shell
Condition: New

Shipping Options:
Ground
Must be purchased in quantities of 4
This Part Fits: Catalog: C
Vehicle Sub Model Engine
1986 Buick Regal Base  5.0L V8 VIN: Y CARB Naturally Aspirated GAS 
1986 Buick Regal Limited  5.0L V8 VIN: Y CARB Naturally Aspirated GAS 

Motorcraft Spark Plug
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(Read reviews)
Our List Price: $4.18
(99) In Stock
Part Number: 2665-05683961
Notes: Spark Plug -- Type - Alternative Plug; Gap: .035; Plug Material: Copper; -450
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 3.8L V6 Turbocharged 

Motorcraft Spark Plug
Click to Enlarge
(Read reviews)
Our List Price: $6.18
(99) In Stock
Part Number: 2665-05048472
Notes: Spark Plug -- Type - Alternative Plug; Gap: .060; Plug Material: Finewire Platinum
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 5.0L V8 

AC Delco Spark Plug
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(Read reviews)
Our List Price: $3.83
(99) In Stock
Part Number: 2665-09006525
Notes: Professional Conventional -- New; Gap .045
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: H
Vehicle Engine
1986 Buick Regal 5.0L V8 VIN: H 

AC Delco Spark Plug
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(Read reviews)
Our List Price: $3.83
(24) In Stock
Part Number: 2665-09006441
Notes: Professional Conventional -- New; Gap .060
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: H
Vehicle Engine
1986 Buick Regal 5.0L V8 VIN: Y 

AC Delco Spark Plug
Click to Enlarge
(Read reviews)
Our List Price: $3.83
(51) In Stock
Part Number: 2665-09006516
Notes: Professional Conventional -- New; Original Equipment; GAP .035
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: H
Vehicle Engine
1986 Buick Regal 3.8L V6 VIN: 7 

AC Delco Spark Plug
Click to Enlarge
(Read reviews)
Our List Price: $3.83
(32) In Stock
Part Number: 2665-09006526
Notes: Professional Conventional -- New; Original Equipment; GAP .060
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: H
Vehicle Engine
1986 Buick Regal 3.8L V6 VIN: A 

AC Delco Spark Plug
Click to Enlarge
(Read reviews)
Our List Price: $8.83
(10) In Stock
Part Number: 2665-09006455
Notes: Professional Double Platinum -- New; Gap .035
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: H
Vehicle Engine
1986 Buick Regal 3.8L V6 Turbocharged 

AC Delco Spark Plug
Click to Enlarge
(Read reviews)
Our List Price: $8.83
(4) In Stock
Part Number: 2665-09169583
Notes: Professional Double Platinum -- New; Gap .060
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: H
Vehicle Engine
1986 Buick Regal 5.0L V8 

AC Delco Spark Plug
Click to Enlarge
(Read reviews)
Our List Price: $6.18
(99) In Stock
Part Number: 2665-05005918
Notes: Professional RAPIDFIRE -- New; Gap .035
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 3.8L V6 Turbocharged 

AC Delco Spark Plug
Click to Enlarge
(Read reviews)
Our List Price: $6.18
(99) In Stock
Part Number: 2665-05005918
Notes: Professional RAPIDFIRE -- New; Gap .045
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 3.8L V6 Naturally Aspirated 

AC Delco Spark Plug
Click to Enlarge
(Read reviews)
Our List Price: $6.18
(99) In Stock
Part Number: 2665-05006446
Notes: Professional RAPIDFIRE -- New; Gap .045
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 5.0L V8 

Champion Spark Plug
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(Read reviews)
Our List Price: $8.18
(8) In Stock
Part Number: 2665-05633972
Notes: Champion Iridium -- Plug Type RC10WYPB5; Gap .060
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 5.0L V8 VIN: Y 

Champion Spark Plug
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(Read reviews)
Our List Price: $3.18
(99) In Stock
Part Number: 2665-05027565
Notes: Copper Plus -- Plug Type RC12YC5; Gap .060; OE Type
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 5.0L V8 VIN: Y 

Champion Spark Plug
Click to Enlarge
(Read reviews)
Our List Price: $3.18
(99) In Stock
Part Number: 2665-05027501
Notes: Copper Plus -- Plug Type RV12YC; Gap .045; OE Type
Features:
  • Champion Copper Plus
Condition: New

Center Electrode Tip Material Nickel Copper Alloy
Thread Diameter 0.551 in
Thread Diameter 14.000 mm

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 5.0L V8 VIN: H 

Champion Spark Plug
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(1 Reviews)
5 Stars
Champion 18
Spark Plug
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Our List Price: $3.18
(99) In Stock
Part Number: 2665-05027447
Notes: Copper Plus -- Plug Type RV15YC4; Gap .035; OE Type
Features:
  • Champion Copper Plus
Condition: New

Center Electrode Tip Material Nickel Copper Alloy
Thread Diameter 0.551 in
Thread Diameter 14.000 mm

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 3.8L V6 Turbocharged 

Champion Spark Plug
Click to Enlarge
(Read reviews)
Our List Price: $3.18
(99) In Stock
Part Number: 2665-05027490
Notes: Copper Plus -- Plug Type RV17YC6; Gap .060; OE Type
Features:
  • Champion Copper Plus
Condition: New

Center Electrode Tip Material Nickel Copper Alloy
Thread Diameter 0.551 in
Thread Diameter 14.000 mm

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 3.8L V6 Naturally Aspirated 

Champion Spark Plug
Click to Enlarge
(Read reviews)
Our List Price: $7.18
(76) In Stock
Part Number: 2665-05027532
Notes: Double Platinum Power -- Plug Type RV17PMP4; Gap .035
Features:
  • Champion Double Platinum
Condition: New

Center Electrode Tip Material Platinum Firing Tip
Thread Diameter 0.551 in
Thread Diameter 14.000 mm

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 3.8L V6 Turbocharged 

Champion Spark Plug
Click to Enlarge
(Read reviews)
Our List Price: $4.18
(99) In Stock
Part Number: 2665-05027460
Notes: Platinum Power -- Plug Type RV17PMC4; Gap .035
Features:
  • Champion Platinum Power
Condition: New

Center Electrode Tip Material Platinum Firing Tip
Thread Diameter 0.551 in
Thread Diameter 14.000 mm

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 3.8L V6 Turbocharged 

E3 Spark Plugs Spark Plug
Click to Enlarge
(Read reviews)
Our List Price: $8.18
(28) In Stock
Part Number: 2665-05343289
Notes: Spark Plug
Features:
  • More Horsepower
  • Improved Fuel Efficiency
  • Reduced Engine Emissions
  • Longer Engine Life
  • Better Conductive Heat Transfer
  • Easier starts in all weather conditions
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 3.8L V6 

Denso Spark Plug
Click to Enlarge
(Read reviews)
Our List Price: $8.18
(99) In Stock
Part Number: 2665-05051881
Notes: Double Platinum -- Gap 0.044
Features:
  • PQ16R
  • Increases engine performance and throttle response
  • Efficient fuel consumption
  • Improved cold-starting
  • Stable combustion during idling
Condition: New

Ground Electrode Tip Design Platinum Chip
Ground Electrode Core Material Nickel
Electrode Tip Platinum

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 5.0L V8 

Denso Spark Plug
Click to Enlarge
(Read reviews)
Our List Price: $8.18
(80) In Stock
Part Number: 2665-05169633
Notes: Iridium Power -- Gap 0.044
Condition: New

Ground Electrode Tip Design Tapercut, U-Groove
Ground Electrode Core Material Nickel
Electrode Tip Iridium Rhodium Alloy

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 3.8L V6 

Denso Spark Plug
Click to Enlarge
(Read reviews)
Our List Price: $8.18
(99) In Stock
Part Number: 2665-05052104
Notes: Iridium Power -- Gap 0.044
Condition: New

Ground Electrode Tip Design Tapercut, U-Groove
Ground Electrode Core Material Nickel
Electrode Tip Iridium Rhodium Alloy

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 5.0L V8 

Denso Spark Plug
Click to Enlarge
(Read reviews)
Our List Price: $8.18
(88) In Stock
Part Number: 2665-05445068
Notes: Iridium TT -- Gap 0.040
Condition: New

Ground Electrode Tip Design Platinum Twin-Tip
Ground Electrode Core Material Nickel
Electrode Tip Iridium Rhodium Alloy

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 3.8L V6 

Denso Spark Plug
Click to Enlarge
(Read reviews)
Our List Price: $8.18
(99) In Stock
Part Number: 2665-05445059
Notes: Iridium TT -- Gap 0.040
Condition: New

Ground Electrode Tip Design Platinum Twin-Tip
Ground Electrode Core Material Nickel
Electrode Tip Iridium Rhodium Alloy

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 5.0L V8 

Denso Spark Plug
Click to Enlarge
(Read reviews)
Our List Price: $4.18
(99) In Stock
Part Number: 2665-05169543
Notes: Platinum TT -- Gap 0.040
Condition: New

Ground Electrode Tip Design Titanium Enhanced Twin-Tip
Ground Electrode Core Material Nickel
Electrode Tip Platinum

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 3.8L V6 

Denso Spark Plug
Click to Enlarge
(Read reviews)
Our List Price: $4.18
(99) In Stock
Part Number: 2665-05169541
Notes: Platinum TT -- Gap 0.040
Condition: New

Ground Electrode Tip Design Titanium Enhanced Twin-Tip
Ground Electrode Core Material Nickel
Electrode Tip Platinum

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 5.0L V8 

Denso Spark Plug
Click to Enlarge
(Read reviews)
Our List Price: $3.18
(32) In Stock
Part Number: 2665-05052089
Notes: U-Groove Conventional -- Gap 0.060
Condition: New

Ground Electrode Tip Design U-Groove
Ground Electrode Core Material Nickel
Electrode Tip Nickel

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 3.8L V6 

Denso Spark Plug
Click to Enlarge
(Read reviews)
Our List Price: $3.18
(12) In Stock
Part Number: 2665-05770371
Notes: U-Groove Conventional -- Gap 0.060
Condition: New

Ground Electrode Tip Design U-Groove
Ground Electrode Core Material Nickel
Electrode Tip Nickel

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1986 Buick Regal 5.0L V8 

AC Delco Spark Plug
Image is not vehicle specific
(Read reviews)
Product List Price:
$5.08
Our List Price: $4.58

Out of Stock
Part Number: W0133-2043911
Notes: Professional Copper Core
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Part Fits: Catalog: A
Vehicle Sub Model
1986 Buick Regal Grand National 



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