How Much Does It Cost To Replace Spark Plugs?

FIXD wants to make sure that we report the most accurate price estimates for repairs and maintenance as possible! In order to do this, we consult with real mechanics to get honest answers about what a specific car repair might cost. We report not only the cost of the repair, but also any additional add-ons. These add-ons include any service that our mechanics feel would most likely accompany the original repair.

Maintenance: Spark Plug Repair/Replace

Estimated Price at the Mechanic: $112-$460

It is extremely important that your vehicle’s spark plug is functioning properly. Spark plugs are what ignites your car’s gasoline and air in your engine, which is what allows your vehicles to drive. Without working spark plugs, your vehicle’s combustion cycle will not function properly. The amount of time you should go before replacing your spark plugs varies based on your specific vehicle, and your owner’s manual should give you a general timeline.

Breakdown of Price: $52-$100 for necessary parts; $60-$360 for labor

The price of a new spark plug varies depending which brand you buy and your vehicle. Typically, the tools needed to replace your spark plug will cost anywhere from $52-$100, and the labor cost will run you anywhere from $60-$360 depending on where the mechanic shop is located.

Mechanic vs. DIY: Mechanic $112-$460 vs. DIY $52-$100

The cost differential between changing your spark plug at home or at the mechanic is pretty substantial. If you have an engine that is not a V-6, we definitely recommend that you try changing your spark plugs at home and save a few hundred dollars. If you do have a V-6 engine, check your owner’s manual to see if changing your spark plugs would require removing certain parts of the intake manifold. If it would, perhaps consider taking it into the mechanic to have the spark plugs replaced if you don’t feel comfortable with car repairs.

Projected Add-On Costs: $50-$75 for related gaskets for some vehicles that require the removal of the intake manifold or other components

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