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Jeep J10 Spark Plug

We have 11 Items In-stock. Select a year to continue.
$2.95 List Price $4.77 Save $1.82 Availability: In Stock
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NGK
NGK manufactures and supplies automotive manufacturers with OE and high performance spark plugs and ignition control products.

FR5-1 NGK
  • SKU#: W0133-1641828
  • Brand: NGK
 
Fits the following Jeep J10 Years:
  • 1979-1987 | 6 Cyl 4.2L | Base
Rating: (see review/s)

"Forget AC Delco and Champion and even Bosch. These plugs are the absolute best on the market, whether for a vehicle, lawn mower, or 2-cycle trimmer. Always delivers a clean spark and lasts a long, long time." posted by: Pete on August 31, 2008

"Save money with order over $50.00 when ordering a part add some extra items which you may need to maintain your car, like air cleaner oil filter or spark plugs." posted by: segar on May 21, 2008 view all 3 reviews

$2.95 List Price $6.25 Save $3.30 Availability: In Stock
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DENSO Corporation
DENSO Corporation, headquartered in Kariya, Aichi Japan, is the number one global automotive supplier of advanced technology, systems and components in the areas of thermal, powertrain control, electric, electronics and information and safety.

QJ16HR-U ND
  • SKU#: W0133-1640919
  • Brand: Denso
 
Fits the following Jeep J10 Years:
  • 1979-1987 | 6 Cyl 4.2L | Base
$7.03 List Price $8.30 Save $1.27 Availability: In Stock
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BOSCH PREMIUM CLASS PLATINUM+4 SPARK PLUG

Bosch Premium Class Platinum+4 Spark Plug contains the most platinum in the Bosch Platinum Plug Series and has a unique firing technology that combines the advantages of surface air gap technology and 4 yttrium enhanced ground electrodes.

Specifications:
  • 14 mm thread size
  • 19 mm reach
  • 16 mm hex size
  • Platinum plug
  • Gasket seat style
  • Interference suppression resistor
  • Surface air gap plug
  • Heat fused platinum center electrode
  • 4 ground electrodes
  • Heat range 8

Features:
  • Reduces the voltage necessary to jump the gap as well as quenching
  • Provides multiple radial spark paths and surface air gap design that creates optimal exposure of the air/fuel mixture to the enhanced ignition spark
  • Yttrium-enhancement of the ground electrodes further extend plug life
  • Designed to reach self cleaning temperature faster for quicker starts, smoother acceleration, and increased fuel efficiency
  • SKU#: BS4428
  • Brand: Bosch
  • Plug Type: Resistor
  • Electrode Core Material: Platinum
  • Anticipated Ship Out Time: Same day - 1 business day
  • Electrode Tip Material: Platinum
  • Reach: 19 mm
(see more)
Fits the following Jeep J10 Years:
  • 1983-1987 | 6 Cyl 4.2L | Base
Rating: (see review/s)

"Great plugs. Grab em and get new wires while you are at it. I noticed a slight increase in gas mileage on my gas hog 01 Ram 5.2L. Engine runs smoother with no missing like it did with old AC Delco gapped plugs." posted by: Motorhead5 on September 28, 2013

"These plugs were 100K replacements and resulted in instant smoothing of idle faster initial start up and overall should result in improved fuel economy. Overall acceleration was also improved." posted by: Dave on September 17, 2013 view all 2 reviews

$5.63 List Price $6.64 Save $1.01 Availability: In Stock
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AC DELCO CONVENTIONAL SPARK PLUG, SOLD INDIVIDUALLY

AC Delco Conventional Spark Plugs are precisely engineered and manufactured to provide everyday reliability and efficient performance, helping your engine run cleaner and longer.

Features:
  • Constructed from top quality materials to help the engine run clean and longer
  • Copper core center electrode for improved heat transfer to the tip
  • Engineered to high standards and tested under extreme conditions to exceed OE specifications


  • SKU#: AC41-631
  • Brand: AC Delco
  • Fit Note: Truck
  • Plug Type: Resistor
  • Electrode Core Material: Copper
  • Anticipated Ship Out Time: Same day - 1 business day
  • Electrode Tip Material: Nickel alloy
  • Warranty: 100,000-mile AC Delco limited warranty
 
Fits the following Jeep J10 Years:
  • 1978-1987 | 6 Cyl 4.2L | Base
$14.95 List Price $17.64 Save $2.69 Availability: In Stock
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PULSTAR IRIDIUM PULSE SPARK PLUG, SOLD INDIVIDUALLY

Pulstar Pulse Spark Plug contains integrated electrical capacitor that focuses on the energy of the plug. Its electrical energy delivers the fuel mixture far beyond the typical conventional spark plugs and produces not only better fuel efficiency, but also increased torque and horsepower.

Specifications:
  • 14 mm thread size
  • 19 mm reach
  • 16 mm hex size
  • 1.14 mm gap
  • 0.5 mm fine-wire iridium tipped center electrode with copper core
  • Gasket seat
  • Resistor
  • Nickel alloy ground electrode

Features:
  • Latest in performance ignition technology
  • Provides up to 12 percent more horsepower and torque plus livelier throttle response than conventional spark plugs
  • Allows more efficient burning of fuel and generates a much larger spark at twice the speed than ordinary spark plugs
  • Promotes an increased gas mileage and greater horsepower to the wheels
  • Reduces carbon dioxide emissions and provides cleaner exhaust and more efficient combustion
  • Uses an internal circuit that delivers up to 1,000,000 watts of peak power that increases peak spark current by up to 20,000 times that of a traditional spark plug


  • SKU#: PSTRBE1H10
  • Brand: Pulstar
  • Fit Note: GAS
  • Plug Type: Resistor
  • Electrode Core Material: Copper
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Iridium
  • Gap Size: 1.14 mm
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Fits the following Jeep J10 Years:
  • 1974-1988 | 8 Cyl 5.9L | Base
  • 1974-1978 | 8 Cyl 6.6L | Base
Rating: (see review/s)

"1 out of 4 will miss at low speed while driving. I had to order an extra to replace a bad one that would misfire at low speeds. Pulstar s manufacturing quality control should do a better job of checking out going product." posted by: Bruce on July 21, 2014

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$3.44 List Price $4.06 Save $0.62 Availability: In Stock
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MOTORCRAFT SPARK PLUG

0.04 mm gap, standard plug type, standard service plug; A high quality, OE replacement spark plug.


  • SKU#: MISP428
  • Brand: Motorcraft
  • Fit Note: California Emissions System
  • Electrode Core Material: Copper
  • Anticipated Ship Out Time: Same day - 1 business day
  • Gap Size: 0.035 mm
  • Warranty: 12-month or 12,000-mile Motorcraft limited warranty
 
Fits the following Jeep J10 Years:
  • 1979-1987 | 6 Cyl 4.2L | Base
$5.14 List Price $6.07 Save $0.93 Availability: In Stock
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CHAMPION SINGLE PLATINUM POWER PLUG, SOLD INDIVIDUALLY

Champion Single Platinum Power Plugs reduce and maintain gap growth and proper gap. The voltage needed to fire them remains consistent, reducing the chance of misfire.

Specifications:
  • 14 mm thread diameter
  • V-trimmed ground electrode
  • Gasket seat
  • Projected core nose

Features:
  • Center and side electrodes are tapered for performance while platinum tip on center electrode guarantees extended plug life


  • SKU#: C333034
  • Brand: Champion
  • Plug Type: Resistor
  • Electrode Core Material: Copper
  • Anticipated Ship Out Time: Same day - 1 business day
  • Electrode Tip Material: Platinum
  • Reach: 14 mm
(see more)
Fits the following Jeep J10 Years:
  • 1981-1987 | 6 Cyl 4.2L | Base
$5.95 List Price $8.99 Save $3.04 Availability: In Stock
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E3 DIAMONDFIRE SPARK PLUG, SOLD INDIVIDUALLY -- 14 mm thread size, 19 mm reach, 0.81 in. hex size, gasket seat, resistor, 1.016 mm non-adjustable gap size, copper core electrode material, nickel alloy electrode tip material, projected insulator type; Guaranteed to provide more power while using less fuel, quicker starts and less fouling than competitive standard spark plugs.
  • SKU#: PYRE346
  • Brand: E3
  • Plug Type: Resistor
  • Electrode Core Material: Copper
  • Product Class: Fuel saver
  • Anticipated Ship Out Time: Same day - 1 business day
  • Electrode Tip Material: Nickel alloy
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Fits the following Jeep J10 Years:
  • 1974-1988 | 8 Cyl 5.9L | Base
  • 1974-1978 | 8 Cyl 6.6L | Base
(see more)
Rating: (see review/s)

"These spark plugs are impossible to screw in. The thread is good and can go into the engine but the bolt you have to use to screw it in has to be paper thin since the overal spark plug is too fat." posted by: Car person on February 9, 2011

$13.72 List Price $16.19 Save $2.47 Availability: In Stock
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ALDOR 45H SPARK PLUG, SOLD INDIVIDUALLY

ALDOR 45-H Spark Plug covers cover any one of thermal ranges and automatically adjust to exact range required for each cylinder.

Specifications:
  • 14 mm thread size
  • 19 in. reach size
  • 0.63 in. hex size
  • Gasket seat style

Features:
  • Top quality material in order to guarantee a perfect function for more than 30,000 km
  • Automatic change the intensity of the spark accordingly to the requirements of each cylinder
  • Exclusive world wide patent allows to change the thermal range in order to be adapted to the requirements of the motor
  • Improved fuel economy optimizing the combustion in all cylinders you will save at least 10 percent of consumption
  • Correct spark needed in each cylinder that works at the maximum of its performance


  • SKU#: ALD45H2
  • Brand: Aldor Spark Plugs
  • Electrode Core Material: Copper
  • Anticipated Ship Out Time: 1-3 business days
  • Electrode Tip Material: Copper
  • Reach: 19 in.
  • Thread Size: 14 mm
 
Fits the following Jeep J10 Years:
  • 1981-1987 | All Engines | All Submodels
$4.32 List Price $5.10 Save $0.78 Availability: In Stock
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Crown Automotive is the go-to company for premium quality factory replacement parts for Jeeps manufactured as far back as 1942.
  • SKU#: 4318138
  • Brand: Crown
  • Electrode Core Material: Copper
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: 1-2 Business Days
  • Notes: .62 in. hex size, gasket seat style, resistor plug type, copper core, projected core nose, extended gap, heat range 14
  • Reach: 14 mm
(see more)
Fits the following Jeep J10 Years:
  • 1977-1987 | 6 Cyl 4.2L | Base
$3.89 List Price $4.59 Save $0.70 Availability: In Stock
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OMIX SPARK PLUG, SOLD INDIVIDUALLY

A high quality, OE replacement spark plug.

  • SKU#: O321724804
  • Brand: Omix
  • Fit Note: Set Plug Gap To Manufacturers Recommended Setting
  • Electrode Core Material: Copper
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: Omix limited warranty
 
Fits the following Jeep J10 Years:
  • 1980-1987 | 6 Cyl 4.2L | Base
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