CRAFTSMAN Spark Plug

Spark plugs that become worn or built-up with carbon will decrease the engine’s fuel efficiency and power. A new spark plug helps the engine start easier and ensures proper combustion and performance. This helps to extend engine life. For engines using part #5066K, 5092K, 496018S, 491055S, 696202, 699496, 71G, CHM71G, 531308128, M78543, 12 132 02-S, 4790 400 700, 21531100, RC12Y, RC14Y, RC12Y. Replaces7133456.