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What size is a Honda spark plug socket?

The standard size for a Honda spark plug socket is 16mm. This socket size is commonly used across Honda's lineup of vehicles, from compact cars to larger SUVs and trucks. Understanding the correct socket size is crucial when servicing or replacing spark plugs on your Honda.


What is a Spark Plug Socket?


A spark plug socket is a specialized tool designed to remove and install spark plugs in an engine. It has a deep, hexagonal shape that fits snugly over the spark plug, allowing you to loosen or tighten it with a wrench or socket driver. Spark plug sockets come in various sizes to accommodate the different spark plug diameters used in various makes and models of vehicles.


Why the 16mm Size for Honda?


Honda vehicles typically use 16mm spark plugs, which require a 16mm spark plug socket for proper installation and removal. This size is common across Honda's engine designs, providing a standardized tool for maintenance and repair. Using the correct 16mm socket ensures a secure fit on the spark plug, allowing you to apply the necessary torque without the risk of rounding out or damaging the plug.


Tips for Using a Spark Plug Socket



  • Ensure the socket fits snugly over the spark plug before attempting to remove or install it.

  • Apply the correct torque specification when tightening the spark plug to prevent over-tightening or under-tightening.

  • Use a spark plug socket extension if the spark plug is located in a hard-to-reach area of the engine.

  • Inspect the socket for wear or damage before use, as a worn socket can round out the spark plug and make it difficult to remove.

  • Keep the socket and spark plug area clean to prevent dirt and debris from entering the engine.


By using the correct 16mm spark plug socket for your Honda vehicle, you can ensure a successful and efficient spark plug service or replacement, helping to maintain your engine's performance and reliability.

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.