Spark Plug Replacement Estimate for Infiniti M56

Infiniti M56 Spark Plug Replacement costs $163 on average. Following is a breakdown of the labor and parts estimates.

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YourMechanic Price
$162 to $183
Labor: $147 -$168
Parts: $15
Average Dealer price
$225
Average Shop price
$194
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CarServiceYourMechanic PriceShop/Dealer Price
2013 Infiniti M56V8-5.6LService typeSpark Plug ReplacementYourMechanic Price$163.22Shop/Dealer Price$220.63 - $272.81
2012 Infiniti M56V8-5.6LService typeSpark Plug ReplacementYourMechanic Price$162.92Shop/Dealer Price$220.51 - $272.65
2011 Infiniti M56V8-5.6LService typeSpark Plug ReplacementYourMechanic Price$162.92Shop/Dealer Price$220.34 - $272.37
Show example Infiniti M56 Spark Plug Replacement prices

Parts required for a Infiniti M56 Spark Plug Replacement

Meet some of our expert Infiniti mechanics

Real customer reviews from Infiniti owners like you.

331 reviews
Jamahl
15 years of experience
I liked the man and felt I could trust his opinion,worked his but off until the job was done and gave his opinion on future needed work
2003 INFINITI FX35 - 7,500 MILES MAINTENANCE SERVICE
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218 reviews
Brandon
13 years of experience
Brandon was on time for our appointment and was very thorough in explaining the entire process. I like that pictures were taken of my vehicle before the service was rendered and he showed me the old part that was being replaced and the new part and explained why it needed to be replaced. I would definitely utilize Your Mechanic again and will request Brandon as my mechanic.
2006 INFINITI M35 - DRIVESHAFT REPAIR
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61 reviews
Cary
22 years of experience
Excellent experience!! Cary arrived early and once he got there just took care of everything. All I did was toss him my keys and signed my name. Very pleasant working with him. Would recommend him, for sure!!
2003 INFINITI G35 - OIL CHANGE
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54 reviews
Kenneth
11 years of experience
Kenneth was great. on-time and very fast. Good stuff
2003 INFINITI G35 - ALTERNATOR REPAIR
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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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