MTD Engine Spark Plugs

MTD Engine Spark Plug This is a genuine manufacturer approved replacement spark plug. It is an authentic OEM part commonly used on a variety of lawn and garden equipment. The purpose of a spark plug is to deliver electricity from an ignition system to the combustion chamber. Over time spark plugs tend to wear out, get dirty or fouled requiring replacement. Includes one (1) spark plug per order. You would need a spark plug wrench or a socket wrench to install the spark plug. Please note, after replacing it, you should gap the spark plug according to the owners manual of the outdoor product you have.