Spark Plug Replacement Estimate for Infiniti M45

Infiniti M45 Spark Plug Replacement costs $107 on average. Following is a breakdown of the labor and parts estimates.

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YourMechanic Price
$81 to $195
Labor: $70 -$184
Parts: $11
Average Dealer price
$115 to 236
Average Shop price
$97 to 205
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CarServiceYourMechanic PriceShop/Dealer Price
2006 Infiniti M45V8-4.5LService typeSpark Plug ReplacementYourMechanic Price$81.67Shop/Dealer Price$110.00 - $137.82
2004 Infiniti M45V8-4.5LService typeSpark Plug ReplacementYourMechanic Price$172.46Shop/Dealer Price$234.04 - $286.68
2010 Infiniti M45V8-4.5LService typeSpark Plug ReplacementYourMechanic Price$81.46Shop/Dealer Price$109.78 - $137.46
2007 Infiniti M45V8-4.5LService typeSpark Plug ReplacementYourMechanic Price$81.46Shop/Dealer Price$109.81 - $137.52
2003 Infiniti M45V8-4.5LService typeSpark Plug ReplacementYourMechanic Price$172.67Shop/Dealer Price$234.08 - $286.70
2008 Infiniti M45V8-4.5LService typeSpark Plug ReplacementYourMechanic Price$81.67Shop/Dealer Price$110.00 - $137.80
2009 Infiniti M45V8-4.5LService typeSpark Plug ReplacementYourMechanic Price$81.73Shop/Dealer Price$110.22 - $138.19
Show example Infiniti M45 Spark Plug Replacement prices

Parts required for a Infiniti M45 Spark Plug Replacement

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Tien
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Alex
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This was my first appointment with "YourMechanic". Alex did just a wonderful job that I plan on getting all my future work with him. He was friendly and went out of his way to address all my concerns.
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Timothy
17 years of experience
Tim showed up early and did a great job on the axle. he let me know about a few problems and suggested some remedies.
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Brian
8 years of experience
Brian is awesome and I felt very fortunate to be partnered with him. He shows a true passion for his trade and is very good at it. The knowledge he was able to pass on to me was invaluable and I will definitely use him for future services. Thank you again Brian!
2003 INFINITI G35 - CHECK ENGINE LIGHT IS ON INSPECTION
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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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