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1991 Mazda Navajo Spark Plug

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NGK Spark Plug
NGK logo NGK Spark Plug Click to Enlarge
(10 Reviews)
5 Stars
NGK 3403
Spark Plug
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Our List Price: $2.68
(99) In Stock
Part Number: 8591-05174389
Notes: G-Power Spark Plug -- Gap 0.054"
Features:
  • Trivalent metal plating eliminates the need for anti-seize. For better performance consider upgrading to a NGK Iridium IX plug. For even greater performance consider upgrading to a NGK RUTHENIUM HX(TM) plug.
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1991 Mazda Navajo 4.0L V6 

NGK Spark Plug
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(1 Reviews)
5 Stars
NGK 7164
Spark Plug
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Our List Price: $6.19
(2) In Stock
Part Number: 8591-05174491
Notes: Iridium IX Spark Plug -- Gap 0.054"
Features:
  • The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloys extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to a NGK RUTHENIUM HX(TM) plug.
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1991 Mazda Navajo 4.0L V6 

NGK Spark Plug
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(1 Reviews)
5 Stars
NGK W0133-1635520
Spark Plug
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Product List Price:
$19.42
Our List Price: $7.54
(32) In Stock
Part Number: W0133-1635520
Notes: Iridium-IX
Product Remark: TR5IX NGK
Features:
  • Fine Wire Center Electrode Ensures High Durability and a Consistently Stable Spark
  • Iridium Alloy has an Extremely High Melting Point, Perfect for Todays High-Tech, High Performance Engines
  • Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing Properties
  • Corrugated Ribs Prevent Flashover
  • Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer
  • Copper Core Aids in Heat Removal
  • Triple Seals Prevent Leakage
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Part Fits: Catalog: A
Vehicle
1991 Mazda Navajo

NGK Spark Plug
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(Read reviews)
Our List Price: $7.03
(99) In Stock
Part Number: 8591-05772295
Notes: Laser Iridium Spark Plug -- Gap 0.054"
Features:
  • Iridium tipped center electrode provides durability six times harder than platinum. NGK's high-grade pure alumina ceramic and 98% pure copper core prevents the spark plug from overheating while providing reliable starts.
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1991 Mazda Navajo 4.0L V6 

NGK Spark Plug
NGK logo NGK Spark Plug Click to Enlarge
(Read reviews)
Our List Price: $7.84
(48) In Stock
Part Number: 8591-05051272
Notes: Laser Platinum Spark Plug -- Gap 0.054"; OE Equivalent Design; 60,000 mi OE Manufacturer Recommended Service Interval
Features:
  • Laser platinum plugs provide stable idling, superior anti-fouling, improved fuel efficiency and lower emissions. High-grade pure alumina ceramic and 98% pure copper core prevents spark plug from overheating and provides reliable starts.
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1991 Mazda Navajo 4.0L V6 

NGK Spark Plug
NGK logo NGK Spark Plug Click to Enlarge
(1 Reviews)
5 Stars
NGK 3951
Spark Plug
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Our List Price: $1.73
(99) In Stock
Part Number: 8591-05174407
Notes: V-Power Spark Plug -- Gap 0.054"
Features:
  • NGK V-Power spark plugs are tested to the highest OE standards. Trivalent metal plating eliminates the need for anti-seize. For even greater performance consider upgrading to a NGK Iridium IX Spark Plug.
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1991 Mazda Navajo 4.0L V6 

DIY Solutions Spark Plug Set
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DIY Solutions Spark Plug Set
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(Read reviews)
Our List Price: $29.95
with FREE Shipping
(4) In Stock
Part Number: 8591-07940869
Notes: Spark Plug Set -- V6 4.0L
Condition: New

Shipping Options:
Free Ground Shipping
This Part Fits: Catalog: Q
Vehicle
1991 Mazda Navajo

Bosch Spark Plug
Bosch logo Bosch Spark Plug Click to Enlarge
(Read reviews)
Our List Price: $5.89
(99) In Stock
Part Number: 8591-05250288
Notes: OE Fine Wire Double Iridium -- Do Not Gap, Gap is Preset; Material 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
Condition: New

Center Electrode Tip Material Iridium
Center Electrode Core Material Nickel-Yttrium and Copper and Iridium
Ground Electrode Tip Material Nickel-Yttrium and Iridium
Insulator Material Ceramic

Shipping Options:
Ground
Must be purchased in quantities of 4
This Part Fits: Catalog: B
Vehicle Engine
1991 Mazda Navajo 4.0L V6 

Bosch Spark Plug
Bosch logo Bosch Spark Plug Click to Enlarge
(Read reviews)
Our List Price: $4.61
(99) In Stock
Part Number: 8591-05351411
Notes: OE Fine Wire Double Platinum -- Do Not Gap, Gap is Preset; Material Double Platinum
Features:
  • Platinum on the center electrode firing pin and laser welded platinum inlay ground electrode provide 3 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
Condition: New

Center Electrode Tip Material Platinum
Center Electrode Core Material Nickel-Yttrium and Copper and Platinum
Ground Electrode Tip Material Nickel-Yttrium and Platinum
Insulator Material Ceramic

Shipping Options:
Ground
Must be purchased in quantities of 4
This Part Fits: Catalog: B
Vehicle Engine
1991 Mazda Navajo 4.0L V6 

Bosch Spark Plug
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Bosch Spark Plug
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(1 Reviews)
5 Stars
Bosch 6709
Spark Plug
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Our List Price: $2.50
(10) In Stock
Part Number: 8591-03405683
Notes: OE Fine Wire Platinum -- Do Not Gap, Gap is Preset; Material Double Platinum
Features:
  • OE Fine Wire design with Platinum firing pin on the center electrode requires up to 24% less voltage to ignite and up to 2 times longer life compared to standard copper spark plugs
  • 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
Condition: New

Center Electrode Tip Material Platinum
Center Electrode Core Material Nickel-Yttrium and Copper and Platinum
Ground Electrode Tip Material Nickel-Yttrium
Insulator Material Ceramic

Shipping Options:
Ground
This Part Fits: Catalog: F
Vehicle Engine
1991 Mazda Navajo 4.0L V6 

Bosch Spark Plug
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(Read reviews)
Product List Price:
$13.80
Our List Price: $4.15
(4) In Stock
Part Number: W0133-1636072
Notes: Platinum +4
Features:
  • OE design for optimum fit and function
  • Revolutionary surface air gap firing technology featuring multiple spark paths
  • More platinum versus Bosch Platinum Plus
  • Four yttrium-enhanced ground electrodes
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Part Fits: Catalog: A
Vehicle
1991 Mazda Navajo

Bosch Spark Plug
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(2 Reviews)
5 Stars
Bosch 4458
Spark Plug
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Our List Price: $5.05
(1) In Stock
Part Number: 8591-09125878
Notes: Platinum+4 -- Do Not Gap, Gap is Preset
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
This Part Fits: Catalog: H
Vehicle
1991 Mazda Navajo

Bosch Spark Plug
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(Read reviews)
Product List Price:
$4.95
Our List Price: $1.73
(42) In Stock
Part Number: W0133-1808114
Notes: Super Plus
Product Remark: HR8DCX+
Features:
  • OE-Equivalent and direct fit application.
  • Heavy-duty yttrium-enhanced copper core center electrode.
  • Tapered, v-profile nickel chromium ground electrode.
  • Nickel-plated rolled threads.
  • Metal glass fused resistor.
  • Angular, five-ribbed insulator design.
  • Electrode gap is factory set and never requires adjustment.
  • Anti-seize and corrosion protection. Bosch Super Plus Spark Plugs deliver quality performance based on technology that's proven on racetracks around the wor
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Part Fits: Catalog: A
Vehicle
1991 Mazda Navajo

E3 Spark Plugs Spark Plug
E3 Spark Plugs logo E3 Spark Plugs Spark Plug Click to Enlarge
(2 Reviews)
5 Stars
E3 Spark Plugs E3.62
Spark Plug
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Our List Price: $5.94
(74) In Stock
Part Number: 8591-05343299
Notes: Spark Plug
Features:
  • Smoother Acceleration & Idle - The faster flame initiated by the E3 spark plug results in a more complete burn of the ingested fuel charge. More pressure is created against the piston more fuel is put to work
  • Energy - Power output improved by 6% on average in the typical operating ranges-results will vary
  • Efficiency - E3 "diamond shaped" side wire electrode projects the combustion spark in a way that more quickly ignites the air/fuel mixture, thereby creating a significantly faster and longer flame kernel, more fuel is put to work with less waste; creating
  • Ecology - E3 provides a cleaner burning combustion, which translates into fuel savings and reduced engine carbon deposits
  • E3 Spark Plugs are pre-gapped at the factory to meet O.E. requirements
Condition: New

Electrode Core Copper
Electrode Tip Nickel
Hex Size 5/8 in

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1991 Mazda Navajo 4.0L V6 

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: $6.44
(99) In Stock
Part Number: 8591-05006416
Notes: GM Original Equipment Double Platinum -- New; Gap 0.054in
Condition: New

Center Electrode Tip Material Pt rivet

Shipping Options:
Ground
Must be purchased in quantities of 4
This Part Fits: Catalog: B
Vehicle Engine
1991 Mazda Navajo 4.0L V6 

AC Delco Spark Plug
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Our List Price: $3.74
(99) In Stock
Part Number: 8591-05448231
Notes: Gold RAPIDFIRE -- New; Gap 0.054in
Condition: New

Center Electrode Tip Material Platinum Pad

Shipping Options:
Ground
Must be purchased in quantities of 4
This Part Fits: Catalog: B
Vehicle Engine
1991 Mazda Navajo 4.0L V6 

AC Delco Spark Plug
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(1 Reviews)
5 Stars
AC Delco R44LTS
Spark Plug
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Our List Price: $1.90
(99) In Stock
Part Number: 8591-05008400
Notes: Professional Conventional -- New; Gap .054
Condition: New

Center Electrode Tip Material Platinum

Shipping Options:
Ground
Must be purchased in quantities of 4
This Part Fits: Catalog: B
Vehicle
1991 Mazda Navajo

AC Delco Spark Plug
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Our List Price: $5.89
(80) In Stock
Part Number: 8591-05006417
Notes: Professional Double Platinum -- Gap .054
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle
1991 Mazda Navajo

SKP Spark Plug
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SKP Spark Plug
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Our List Price: $7.08
with FREE Shipping
(99) In Stock
Part Number: 8591-07466685
Notes: Spark Plug -- Gap: .054/1.4mm; Enhanced Tapered Ground Electrode With Platinum Chip
Features:
  • Meets or exceeds OEM specifications
  • Rigorous quality control measures
  • 12-month SKP limited warranty
Condition: New

Shipping Options:
Free Ground Shipping
This Part Fits: Catalog: S
Vehicle
1991 Mazda Navajo

Champion Spark Plug
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Our List Price: $5.55
(16) In Stock
Part Number: 8591-09023633
Notes: Champion Iridium -- Plug Type RS14WYPB5; Gap 0.054in
Condition: New

Classification Champion Iridium
Ground Electrode Core Material Platinum
Center Electrode Tip Material Iridium

Shipping Options:
Ground
This Part Fits: Catalog: H
Vehicle Engine
1991 Mazda Navajo 4.0L V6 

Champion Spark Plug
Champion logo Champion Spark Plug Click to Enlarge
(Read reviews)
Our List Price: $1.60
(99) In Stock
Part Number: 8591-09023452
Notes: Copper Plus -- Plug Type RS14YC6; Gap 0.054in; OE Type
Condition: New

Classification Champion Copper Plus
Ground Electrode Core Material Nickel
Center Electrode Tip Material Nickel

Shipping Options:
Ground
This Part Fits: Catalog: H
Vehicle Engine
1991 Mazda Navajo 4.0L V6 

Champion Spark Plug
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(Read reviews)
Our List Price: $4.69
(4) In Stock
Part Number: 8591-09023587
Notes: Double Platinum Power -- Plug Type RS14PYPB5; Gap 0.054in
Condition: New

Classification Champion Double Platinum
Ground Electrode Core Material Platinum
Center Electrode Tip Material Platinum

Shipping Options:
Ground
This Part Fits: Catalog: H
Vehicle Engine
1991 Mazda Navajo 4.0L V6 

Champion Spark Plug
Champion logo Champion Spark Plug Click to Enlarge
(1 Reviews)
5 Stars
Champion 3013
Spark Plug
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Our List Price: $2.19
(99) In Stock
Part Number: 8591-09023472
Notes: Platinum Power -- Plug Type RS14PYC6; Gap 0.054in
Condition: New

Classification Champion Platinum Power
Ground Electrode Core Material Nickel
Center Electrode Tip Material Platinum

Shipping Options:
Ground
This Part Fits: Catalog: H
Vehicle Engine
1991 Mazda Navajo 4.0L V6 

Autolite Spark Plug
Autolite logo Autolite Spark Plug Click to Enlarge
(Read reviews)
Our List Price: $1.41
(40) In Stock
Part Number: 8591-09183005
Notes: Copper Resistor Spark Plug -- OE half thread design replaced by full thread design; .054"/1.4mm; OE Style
Features:
  • AutoliteCopper 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
1991 Mazda Navajo

Autolite Spark Plug
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Our List Price: $5.83
(1) In Stock
Part Number: 8591-05756703
Notes: Double Platinum Spark Plug -- .054"/1.4mm; OE Half Thread Design Replaced By Full Thread Design
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle
1991 Mazda Navajo

Autolite Spark Plug
Autolite logo Autolite Spark Plug Click to Enlarge
(Read reviews)
Our List Price: $4.40
(34) In Stock
Part Number: 8591-09183050
Notes: Double Platinum Spark Plug -- Replaces OE Half Thread Design; .054"/1.4mm
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
1991 Mazda Navajo

Autolite Spark Plug
Autolite logo Autolite Spark Plug Click to Enlarge
(Read reviews)
Our List Price: $5.29
(13) In Stock
Part Number: 8591-09183093
Notes: Iridium Spark Plug -- Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .054"/1.4mm
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
1991 Mazda Navajo

Autolite Spark Plug
Autolite logo Autolite Spark Plug Click to Enlarge
(Read reviews)
Our List Price: $2.45
(47) In Stock
Part Number: 8591-09183013
Notes: Platinum Spark Plug -- Replaces OE Half Thread Design; .054"/1.4mm
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
1991 Mazda Navajo

Denso Spark Plug
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(Read reviews)
Our List Price: $8.30
(22) In Stock
Part Number: 8591-05829154
Notes: Iridium Long Life -- Gap 0.044; Iridium Long Life - Patented Iridium Alloy Plug (90% Iridium) with Platinum Ground Strap
Condition: New

Ground Electrode Core Material Nickel
Center Electrode Core Material Copper

Shipping Options:
Ground
Must be purchased in quantities of 4
This Part Fits: Catalog: B
Vehicle
1991 Mazda Navajo

Denso Spark Plug
Denso logo Denso Spark Plug Click to Enlarge
(Read reviews)
Our List Price: $5.25
(99) In Stock
Part Number: 8591-05169631
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 Core Material Nickel
Center Electrode Core Material Copper

Shipping Options:
Ground
Must be purchased in quantities of 4
This Part Fits: Catalog: B
Vehicle
1991 Mazda Navajo

Denso Spark Plug
Denso logo Denso Spark Plug Click to Enlarge
(Read reviews)
Our List Price: $6.00
(99) In Stock
Part Number: 8591-05445067
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 Core Material Nickel
Center Electrode Core Material Copper

Shipping Options:
Ground
Must be purchased in quantities of 4
This Part Fits: Catalog: B
Vehicle
1991 Mazda Navajo

Denso Spark Plug
Denso logo Denso Spark Plug Click to Enlarge
(Read reviews)
Our List Price: $2.76
(99) In Stock
Part Number: 8591-05169546
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 Core Material Nickel
Center Electrode Core Material Copper
Center Electrode Tip Material Platinum

Shipping Options:
Ground
Must be purchased in quantities of 4
This Part Fits: Catalog: B
Vehicle
1991 Mazda Navajo

Denso Spark Plug
Denso logo Denso Spark Plug Click to Enlarge
(Read reviews)
Product List Price:
$4.65
Our List Price: $2.31
(69) In Stock
Part Number: W0133-1828270
Notes: U-Groove
Features:
  • 100 percent pre-fired to ensure reliable operation
  • Patented U-Grove ground electrode
  • Bonded; center electrode and insulator for a gas-tight seal
  • Copper core center electrode for superior thermal conductivity
  • Unique five-rib insulator reduces flashover
  • Patented U-groove ground electrode design fires leaner mixtures than conventional plugs
  • Precision machine-rolled threads reduce seizing and cross-threading in delicate aluminum heads
  • Wide range of part numbers for t
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Part Fits: Catalog: A
Vehicle
1991 Mazda Navajo

Denso Spark Plug
Denso logo Denso Spark Plug Click to Enlarge
(Read reviews)
Our List Price: $1.50
(96) In Stock
Part Number: 8591-05052092
Notes: U-Groove Conventional -- Gap 0.060; O.E. Recommended Resistor Plug with Patented U-Groove Design
Condition: New

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

Shipping Options:
Ground
Must be purchased in quantities of 4
This Part Fits: Catalog: B
Vehicle
1991 Mazda Navajo

Bosch Spark Plug
Bosch logo Bosch Spark Plug Click to Enlarge
(Read reviews)
Product List Price:
$3.65
Our List Price: $1.48

Out of Stock
Part Number: W0133-1642785
Notes: Super Plus
Product Remark: HR8DCX
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Part Fits: Catalog: A
Vehicle
1991 Mazda Navajo

Bosch Spark Plug
Bosch logo Bosch Spark Plug Click to Enlarge
(Read reviews)
Our List Price: $2.81

Out of Stock
Part Number: 8591-05020943
Notes: Platinum Plus -- Gap 0.054 in
Features:
  • Exclusive platinum technology in the center electrode for quicker starts, smoother acceleration and increased fuel efficiency
  • Tapered, yttrium enhanced v-profile ground electrode provides a 25% longer performance life
  • Lower ignition voltage requirement provides reliable cold weather starting and superior operation under all driving conditions
  • Factory-set gap once the proper gap is set, there's no need to re-gap
  • Contains one spark plug
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle
1991 Mazda Navajo

Bosch Spark Plug
Bosch logo Bosch Spark Plug Click to Enlarge
(Read reviews)
Our List Price: $4.06

Out of Stock
Part Number: 8591-05527784
Notes: Platinum+2 -- Do Not Gap, Gap is Preset
Condition: New

Shipping Options:
Ground
Must be purchased in quantities of 4
This Part Fits: Catalog: B
Vehicle
1991 Mazda Navajo

Motorcraft Spark Plug
Motorcraft logo Motorcraft Spark Plug Click to Enlarge
(Read reviews)
Our List Price: $1.88

Out of Stock
Part Number: 8591-05048436
Notes: Copper Resistor Spark Plug -- OE Style; .054"/1.4mm; Plug Material: Copper; -419-A
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle
1991 Mazda Navajo



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