Diamond Fire Small Engine Spark Plug, E3.18

Keep your riding mower's engine running smoothly with the Small-Engine Spark Plug for Riding Mowers. The spark plug is designed to increase horsepower and reduce fuel consumption while also cutting down on toxic emissions. Designed to increase horsepower and lower emissionsUses 13 percent less fuel than other spark plugsFor use with 4-cycle enginesReplaces Champion - RN7YC, N7YC, RN4C, N4CReplaces NGK - B5EB, B6EB, B6EB-11, B6EBL-11, B6ES, B6ES-11, B6EV, B6EVX, B7EB, B7EB-11, B7ES, B7ES-11, BP7ES, BP7ES-11, BR6EB, BR6EB-11, BR6ES, BR6ES-11, BR7EB, BR7EB-11, BR7EIX, BR7ES, BR7ES-11, BUR6EB-11, BUR7EB-11Replaces Autolite - 403, 404, 4056