Spark Plug Replacement Estimate for Jeep J20

Jeep J20 Spark Plug Replacement costs $73 on average. Following is a breakdown of the labor and parts estimates.

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YourMechanic Price
$73 to $83
Labor: $70 -$80
Parts: $3
Average Dealer price
$99
Average Shop price
$87
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CarServiceYourMechanic PriceShop/Dealer Price
1988 Jeep J20V8-5.9LService typeSpark Plug ReplacementYourMechanic Price$73.22Shop/Dealer Price$88.55 - $101.85
1984 Jeep J20V8-5.9LService typeSpark Plug ReplacementYourMechanic Price$73.16Shop/Dealer Price$88.54 - $101.85
1982 Jeep J20V8-5.9LService typeSpark Plug ReplacementYourMechanic Price$73.16Shop/Dealer Price$88.50 - $101.78
1986 Jeep J20V8-5.9LService typeSpark Plug ReplacementYourMechanic Price$73.16Shop/Dealer Price$88.52 - $101.81
1987 Jeep J20V8-5.9LService typeSpark Plug ReplacementYourMechanic Price$73.22Shop/Dealer Price$88.56 - $101.87
1983 Jeep J20V8-5.9LService typeSpark Plug ReplacementYourMechanic Price$73.22Shop/Dealer Price$88.54 - $101.84
1985 Jeep J20V8-5.9LService typeSpark Plug ReplacementYourMechanic Price$73.24Shop/Dealer Price$88.65 - $102.03
Show example Jeep J20 Spark Plug Replacement prices

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All about Spark Plug Replacement

The spark plugs are an important part of the ignition system. When you turn the ignition key (car's key) on, it causes the ignition coil to generate the spark which ignites the air-fuel mixture in the engine cylinders to start the engine. The number of spark plugs in the car is the same as the number of cylinders, although some vehicle manufacturers will use two spark plugs per cylinder. Over time, the spark plugs wear out and require replacement. When the spark plugs wear out, it is harder for it the air-fuel mixture to ignite, resulting in engine misfires. If one of the spark plugs has failed, the car will still start and run, but it will run poorly. On some vehicles, spark plug replacement may be labor intensive and involve removal of the intake plenum.

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