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How much does it cost to replace spark plugs in a Lexus RX350?

The average cost to replace spark plugs in a Lexus RX350 is between $200 and $300, including parts and labor. This price range can vary depending on factors such as the specific mechanic or dealership performing the work, the quality of the replacement spark plugs used, and any additional repairs that may be needed during the service.


Detailed Breakdown of Spark Plug Replacement Costs for a Lexus RX350


Replacing the spark plugs in a Lexus RX350 is a routine maintenance task that should be performed every 60,000 to 100,000 miles, depending on the manufacturer's recommendations. The spark plugs play a crucial role in the engine's ignition system, and worn or faulty plugs can lead to decreased fuel efficiency, misfiring, and other performance issues.


Parts Cost


The cost of the spark plugs themselves for a Lexus RX350 typically ranges from $50 to $100, depending on the quality of the replacement parts. Lexus recommends using high-quality, platinum-tipped spark plugs, which tend to be on the higher end of the price range.


Labor Cost


The labor cost to replace the spark plugs in a Lexus RX350 can range from $150 to $200, depending on the mechanic or dealership performing the work. This cost covers the time it takes to access the spark plugs, remove the old ones, and install the new ones, as well as any necessary adjustments or testing.


Additional Considerations


In some cases, additional repairs or maintenance may be recommended during the spark plug replacement service, such as:



  • Replacing the ignition coils, which can cost an additional $100 to $300 per coil

  • Cleaning or replacing the fuel injectors, which can cost $100 to $400 per injector

  • Performing a tune-up, which can include replacing the air filter, fuel filter, and other components, adding $100 to $300 to the total cost


It's important to work with a reputable mechanic or Lexus dealership to ensure the spark plug replacement is done correctly and to address any other issues that may be identified during the service.

Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.