Includes (1) RV17YC Spark Plug. New, Bulk Packed. Genuine OEM replacement part. Consult owners manual for proper part number identification and proper installation. Please refer to list for compatibilityCompatible with :Craftsman917250262 Lawn Tractor, 917250480 Lawn Tractor, 917250490 Lawn Tractor, 917251480 Lawn Tractor, 917251481 Lawn Tractor, 917251490 Lawn Tractor, 917251491 Lawn Tractor, 917251492 Lawn Tractor, 917252714 Lawn Tractor, 917256700 Lawn Tractor, 917256702 Lawn Tractor,