This is a non-OEM spark plug designed to work with or instead of original OEM parts on some Honda GX22 engines. Non-OEM parts are also known as aftermarket parts. Please note: Although this spark plug is recorded as being compatible with other listed branded plugs, it is the buyer's responsibility to ensure compatibility. Key Facts: This is a Non-OEM part. Designed to work with or instead of original OEM parts on some Honda GX22 engines Non-OEM parts are also known as aftermarket parts