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2006 Cadillac XLR Spark Plug

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NGK Spark Plug
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Our List Price: $2.57
(99) In Stock
Part Number: 18644-05051231
Notes: G-Power Spark Plug -- Gap 0.040"
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: B
Vehicle Engine
2006 Cadillac XLR 4.6L V8 

NGK Spark Plug
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Our List Price: $5.94
(99) In Stock
Part Number: 18644-05051270
Notes: Iridium IX Spark Plug -- Gap 0.040"
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
2006 Cadillac XLR 4.6L V8 

NGK Spark Plug
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Our List Price: $5.99
(99) In Stock
Part Number: 18644-05254169
Notes: Iridium IX Spark Plug -- Gap 0.040"
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
2006 Cadillac XLR 4.4L V8 

NGK Spark Plug
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(1 Reviews)
5 Stars
NGK 3784
Spark Plug
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Our List Price: $7.52
(20) In Stock
Part Number: 18644-05366514
Notes: Laser Platinum Spark Plug -- Gap 0.040"; 100,000 mi OE Manufacturer Recommended Service Interval
Features:
  • Orignal equipment manufacturer approved NGK Laser Platinum spark plugs provide high ignitibility and longer service life compared to conventional spark plugs. Dual-platinum surfaces on most Laser Platinum spark plugs ensure a slower wear rate.
Condition: New

Core Copper Core
Tip Platinum

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
2006 Cadillac XLR 4.6L V8 

NGK Spark Plug
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Our List Price: $9.54
(99) In Stock
Part Number: 18644-09210947
Notes: Ruthenium HX Spark Plug -- Gap 0.040"
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: H
Vehicle Engine
2006 Cadillac XLR 4.6L V8 

NGK Spark Plug
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(2 Reviews)
5 Stars
NGK 2238
Spark Plug
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Our List Price: $1.66
(99) In Stock
Part Number: 18644-05051219
Notes: V-Power Spark Plug -- Gap 0.040"
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
2006 Cadillac XLR 4.6L V8 

Autolite Spark Plug
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Our List Price: $1.33
(99) In Stock
Part Number: 18644-09182993
Notes: Copper Resistor Spark Plug -- .050"/1.3mm
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: H
Vehicle Engine
2006 Cadillac XLR 4.6L V8 

Autolite Spark Plug
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(2 Reviews)
4.5 Stars
Autolite 103
Spark Plug
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Our List Price: $1.33
(99) In Stock
Part Number: 18644-09182924
Notes: Copper Resistor Spark Plug -- .050"/1.3mm
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: H
Vehicle Engine
2006 Cadillac XLR 4.4L V8 Supercharged 

Autolite Spark Plug
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Our List Price: $4.42
(99) In Stock
Part Number: 18644-09183073
Notes: Double Platinum Spark Plug -- .050"/1.3mm; OE Style
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
2006 Cadillac XLR 4.6L V8 

Autolite Spark Plug
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Our List Price: $4.42
(99) In Stock
Part Number: 18644-09183048
Notes: Double Platinum Spark Plug -- .050"/1.3mm; OE Style
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
2006 Cadillac XLR 4.4L V8 Supercharged 

Autolite Spark Plug
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Our List Price: $5.02
(99) In Stock
Part Number: 18644-09183091
Notes: Iridium Spark Plug -- .050"/1.3mm; 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: H
Vehicle Engine
2006 Cadillac XLR 4.4L V8 Supercharged 

Autolite Spark Plug
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Our List Price: $2.33
(99) In Stock
Part Number: 18644-09183036
Notes: Platinum Spark Plug -- .050"/1.3mm
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
2006 Cadillac XLR 4.6L V8 

AC Delco Spark Plug
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(1 Reviews)
5 Stars
AC Delco R44LTS6
Spark Plug
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Our List Price: $1.82
(99) In Stock
Part Number: 18644-05008401
Notes: Professional Conventional -- New; Gap .050
Condition: New

Shipping Options:
Ground
Must be purchased in quantities of 4
This Part Fits: Catalog: B
Vehicle Engine
2006 Cadillac XLR 4.6L V8 

AC Delco Spark Plug
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Our List Price: $6.18
(99) In Stock
Part Number: 18644-05006398
Notes: Professional Double Platinum -- New; Gap .040"
Condition: New

Shipping Options:
Ground
Must be purchased in quantities of 4
This Part Fits: Catalog: B
Vehicle Engine
2006 Cadillac XLR 4.4L V8 

AC Delco Spark Plug
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(1 Reviews)
5 Stars
AC Delco 41-950
Spark Plug
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Our List Price: $6.18
(99) In Stock
Part Number: 18644-05006416
Notes: Professional Double Platinum -- New; Gap .050"
Condition: New

Shipping Options:
Ground
Must be purchased in quantities of 4
This Part Fits: Catalog: B
Vehicle Engine
2006 Cadillac XLR 4.6L V8 

AC Delco Spark Plug
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Our List Price: $5.99
(99) In Stock
Part Number: 18644-05448551
Notes: Professional Double Platinum -- New; Original Equipment; GAP .040
Condition: New

Shipping Options:
Ground
Must be purchased in quantities of 8
This Part Fits: Catalog: B
Vehicle Engine
2006 Cadillac XLR 4.4L V8 VIN: D 

AC Delco Spark Plug
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Our List Price: $6.18
(99) In Stock
Part Number: 18644-05006421
Notes: Professional Double Platinum -- New; Original Equipment; GAP .040
Condition: New

Shipping Options:
Ground
Must be purchased in quantities of 4
This Part Fits: Catalog: B
Vehicle Engine
2006 Cadillac XLR 4.6L V8 VIN: A 

AC Delco Spark Plug
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Our List Price: $3.99
(99) In Stock
Part Number: 18644-05448231
Notes: Professional RAPIDFIRE -- New; Gap .040"
Condition: New

Shipping Options:
Ground
Must be purchased in quantities of 4
This Part Fits: Catalog: B
Vehicle Engine
2006 Cadillac XLR 4.4L V8 

AC Delco Spark Plug
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(2 Reviews)
5 Stars
AC Delco 14
Spark Plug
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Our List Price: $3.59
(99) In Stock
Part Number: 18644-05005479
Notes: Professional RAPIDFIRE -- New; Gap .050"
Condition: New

Shipping Options:
Ground
Must be purchased in quantities of 4
This Part Fits: Catalog: B
Vehicle Engine
2006 Cadillac XLR 4.6L V8 

AC Delco Spark Plug
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Product List Price:
$6.38
Our List Price: $3.72
(99) In Stock
Part Number: W0133-2043348
Notes: Professional Rapidfire - Rapidfire
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Part Fits: Catalog: A
Vehicle Engine
2006 Cadillac XLR 4.6L V8 

Bosch Spark Plug
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(4 Reviews)
4.5 Stars
Bosch 9606
Spark Plug
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Our List Price: $5.32
(99) In Stock
Part Number: 18644-05250276
Notes: OE Fine Wire Double Iridium -- Do Not Gap, Gap is Preset; Original equipment is double platinum
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
Must be purchased in quantities of 4
This Part Fits: Catalog: B
Vehicle Engine
2006 Cadillac XLR 4.6L V8 

Bosch Spark Plug
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Our List Price: $4.07
(99) In Stock
Part Number: 18644-05351406
Notes: OE Fine Wire Double Platinum -- Do Not Gap, Gap is Preset; Original equipment is double platinum
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
Must be purchased in quantities of 4
This Part Fits: Catalog: B
Vehicle Engine
2006 Cadillac XLR 4.6L V8 

Bosch Spark Plug
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(4 Reviews)
4.5 Stars
Bosch 6701
Spark Plug
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Our List Price: $3.25
(18) In Stock
Part Number: 18644-05252079
Notes: OE Fine Wire Platinum -- Do Not Gap, Gap is Preset; Original equipment is double platinum
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
Must be purchased in quantities of 4
This Part Fits: Catalog: B
Vehicle Engine
2006 Cadillac XLR 4.6L V8 

Bosch Spark Plug
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(1 Reviews)
5 Stars
Bosch 6747
Spark Plug
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Our List Price: $2.80
(99) In Stock
Part Number: 18644-05638779
Notes: OE Fine Wire Platinum -- Do Not Gap, Gap is Preset; Original equipment is double platinum; Replacement item
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
Must be purchased in quantities of 4
This Part Fits: Catalog: B
Vehicle Engine
2006 Cadillac XLR 4.6L V8 

Bosch Spark Plug

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Our List Price: $1.19
(1) In Stock
Part Number: 18644-03399837
Notes: PLATINUM
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: F
Vehicle Engine
2006 Cadillac XLR 4.6L V8 VIN: A 

Bosch Spark Plug
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(2 Reviews)
5 Stars
Bosch 4458
Spark Plug
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Our List Price: $4.52
(99) In Stock
Part Number: 18644-05021003
Notes: Platinum+4 -- Do Not Gap, Gap is Preset; Original Equipment Is Platinum
Features:
  • Revolutionary surface air gap firing technology featuring four yttrium-enhanced ground electrodes delivers the longest, most powerful spark for ultimate engine performance
  • Four yttrium-enhanced ground electrodes provide optimum access to the air/fuel mixture for the most efficient combustion, plus the yttrium alloy ground electrodes reduce gap wear and oxidation for extended performance life
  • Electrode gap is factory set to provide ease of installation - never requires adjustment
  • Never requires gapping,the electrode gap is factory-set and never requires adjustment
  • Provides ease of installation - never requires adjustment
Condition: New

Shipping Options:
Ground
Must be purchased in quantities of 4
This Part Fits: Catalog: B
Vehicle Engine
2006 Cadillac XLR 4.6L V8 

E3 Spark Plugs Spark Plug
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(4 Reviews)
4.8 Stars
E3 Spark Plugs E3.53
Spark Plug
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Our List Price: $5.70
(28) In Stock
Part Number: 18644-05343294
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
2006 Cadillac XLR 4.4L V8 

E3 Spark Plugs Spark Plug
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(3 Reviews)
5 Stars
E3 Spark Plugs E3.54
Spark Plug
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Our List Price: $5.70
(4) In Stock
Part Number: 18644-05343295
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
2006 Cadillac XLR 4.6L V8 

Champion Spark Plug
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Our List Price: $5.39
(45) In Stock
Part Number: 18644-09023630
Notes: Champion Iridium -- Plug Type RS12WYPB4; Gap .040"
Features:
  • Champion Iridium
Condition: New

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

Shipping Options:
Ground
This Part Fits: Catalog: H
Vehicle Engine
2006 Cadillac XLR 4.6L V8 

Champion Spark Plug
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Our List Price: $5.39
(12) In Stock
Part Number: 18644-09023647
Notes: Champion Iridium -- Plug Type RS8WYPB5; Gap .040"
Features:
  • Champion Iridium
Condition: New

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

Shipping Options:
Ground
This Part Fits: Catalog: H
Vehicle Engine
2006 Cadillac XLR 4.4L V8 

Champion Spark Plug
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(1 Reviews)
5 Stars
Champion 401
Spark Plug
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Our List Price: $1.54
(99) In Stock
Part Number: 18644-09023519
Notes: Copper Plus -- Plug Type RS12YC; Gap .040"
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: H
Vehicle Engine
2006 Cadillac XLR 4.6L V8 

Champion Spark Plug
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(1 Reviews)
5 Stars
Champion 304
Spark Plug
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Our List Price: $1.54
(9) In Stock
Part Number: 18644-09023480
Notes: Copper Plus -- Plug Type RS9YC; Gap .040"
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: H
Vehicle Engine
2006 Cadillac XLR 4.4L V8 

Champion Spark Plug
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(2 Reviews)
5 Stars
Champion 7963
Spark Plug
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Our List Price: $4.48
(12) In Stock
Part Number: 18644-09023589
Notes: Double Platinum Power -- Plug Type RS12PYPB5; Gap .040"
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: H
Vehicle Engine
2006 Cadillac XLR 4.6L V8 

Champion Spark Plug
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Our List Price: $4.48
(9) In Stock
Part Number: 18644-09023573
Notes: Double Platinum Power -- Plug Type RS9PYP4; Gap .040"; OE Type
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: H
Vehicle Engine
2006 Cadillac XLR 4.4L V8 

Champion Spark Plug
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(1 Reviews)
4 Stars
Champion 3401
Spark Plug
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Our List Price: $2.09
(40) In Stock
Part Number: 18644-09023502
Notes: Platinum Power -- Plug Type RS10PYC4; Gap .040"
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: H
Vehicle Engine
2006 Cadillac XLR 4.6L V8 

Champion Spark Plug
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Our List Price: $2.99
(49) In Stock
Part Number: 18644-05627871
Notes: Platinum Power -- Plug Type RS7PYB4; Gap .040"
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
Must be purchased in quantities of 4
This Part Fits: Catalog: B
Vehicle Engine
2006 Cadillac XLR 4.4L V8 

Denso Spark Plug
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Our List Price: $4.99
(69) In Stock
Part Number: 18644-05052102
Notes: Double Platinum -- Gap 0.040; DENSO is O.E. Manufacturer / O.E. Recommended Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap
Condition: New

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

Shipping Options:
Ground
Must be purchased in quantities of 4
This Part Fits: Catalog: B
Vehicle Engine
2006 Cadillac XLR 4.6L V8 

Denso Spark Plug
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Product List Price:
$11.02
Our List Price: $5.80
(62) In Stock
Part Number: W0133-1832660
Notes: Double Platinum  - w/ Platinum Design
Product Remark: PT16EPR10 ND
Features:
  • Platinum center electrode
  • Platinum ground electrode
  • Premium shell construction with machine-rolled threads
  • Sustained spark performance over 60,000 miles
  • Reduced secondary required voltage, increased ignition efficiency DENSO engineering studies show that Double Platinum plugs can run longer with reduced erosion, minimizing spark gap growth throughout the life of the plug.
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
OEM
This Part Fits: Catalog: A
Vehicle Engine
2006 Cadillac XLR 4.6L V8 

Denso Spark Plug
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(Read reviews)
Our List Price: $5.99
(23) In Stock
Part Number: 18644-05169632
Notes: Iridium Power -- Gap 0.032; Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Iridium Alloy (90% Iridium)
Condition: New

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

Shipping Options:
Ground
Must be purchased in quantities of 4
This Part Fits: Catalog: B
Vehicle Sub Model Engine
2006 Cadillac XLR 4.4L V8 

Denso Spark Plug
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(2 Reviews)
5 Stars
Denso 5325
Spark Plug
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Our List Price: $5.04
(99) In Stock
Part Number: 18644-05169630
Notes: Iridium Power -- Gap 0.044; Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Iridium Alloy (90% Iridium)
Condition: New

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

Shipping Options:
Ground
Must be purchased in quantities of 4
This Part Fits: Catalog: B
Vehicle Engine
2006 Cadillac XLR 4.6L V8 

Denso Spark Plug
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Our List Price: $5.76
(99) In Stock
Part Number: 18644-05445066
Notes: Iridium TT -- Gap 0.040; Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology
Condition: New

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

Shipping Options:
Ground
Must be purchased in quantities of 4
This Part Fits: Catalog: B
Vehicle Engine
2006 Cadillac XLR 4.6L V8 

Denso Spark Plug
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(5 Reviews)
5 Stars
Denso 4511
Spark Plug
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Our List Price: $2.45
(99) In Stock
Part Number: 18644-05169545
Notes: Platinum TT -- Gap 0.040; Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap
Condition: New

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

Shipping Options:
Ground
Must be purchased in quantities of 4
This Part Fits: Catalog: B
Vehicle Engine
2006 Cadillac XLR 4.6L V8 

Denso Spark Plug
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Our List Price: $1.43
(99) In Stock
Part Number: 18644-05052085
Notes: U-Groove Conventional -- Gap 0.032; Resistor Plug with Patented U-Groove Design
Features:
  • T16EPR-U
  • Increases engine performance and throttle response
  • Efficient fuel consumption
  • Improved cold-starting
  • Stable combustion during idling
Condition: New

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

Shipping Options:
Ground
Must be purchased in quantities of 4
This Part Fits: Catalog: B
Vehicle Engine
2006 Cadillac XLR 4.6L V8 

Motorcraft Spark Plug
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(Read reviews)
Product List Price:
$6.38
Our List Price: $2.10
(48) In Stock
Part Number: W0133-2785400
Notes: OE Copper Core - Rapidfire
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
OEM
This Part Fits: Catalog: A
Vehicle Engine
2006 Cadillac XLR 4.6L V8 

Motorcraft Spark Plug
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Product List Price:
$2.60
Our List Price: $2.10
(8) In Stock
Part Number: W0133-2189276
Notes: OE Copper Core - Rapidfire
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
OEM
This Part Fits: Catalog: A
Vehicle Engine
2006 Cadillac XLR 4.6L V8 

Motorcraft Spark Plug
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Our List Price: $1.74
(99) In Stock
Part Number: 18644-05797622
Notes: Spark Plug -- Gap: .050; Type - Alternative Plug; Plug Material: Copper; -446
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
2006 Cadillac XLR 4.6L V8 

AC Delco Spark Plug
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(Read reviews)
Product List Price:
$11.02
Our List Price: $6.49

Out of Stock
Part Number: W0133-2189635
Notes: Professional Double Platinum - w/ Platinum Design
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Part Fits: Catalog: A
Vehicle Engine
2006 Cadillac XLR 4.6L V8 

Motorcraft Spark Plug
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(Read reviews)
Product List Price:
$6.38
Our List Price: $2.10

Out of Stock
Part Number: W0133-2756622
Notes: OE Copper Core - Rapidfire
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
OEM
This Part Fits: Catalog: A
Vehicle Engine
2006 Cadillac XLR 4.6L V8 

Autolite Spark Plug
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(Read reviews)
Our List Price: $5.02

Out of Stock
Part Number: 18644-09183111
Notes: Iridium Spark Plug -- Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .050"/1.3mm
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: H
Vehicle Engine
2006 Cadillac XLR 4.6L V8 

Autolite Spark Plug
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(Read reviews)
Our List Price: $2.33

Out of Stock
Part Number: 18644-09183011
Notes: Platinum Spark Plug -- .050"/1.3mm
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
2006 Cadillac XLR 4.4L V8 Supercharged 



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