Includes (4) Spark PlugType: Resistor, Reach: 19mm, Seat Type: Gasket, Heat Range: 11, Thread 14mm, Hex Size 13/16", New, Bulk PackedGenuine OEM Replacement Part # RN11YC4-4PKConsult owners manual for proper part number identification and proper installationPlease refer to list for compatibilityCompatible with the Following:GENERAC EPS12, ESP20, HOMELITE 178H148, 180H163, 180HIE63, 190HHY50, CG4800, CG5200, CG6300, CHY5000, HONDA EB11000, EB2500XK1, Eb3000C, EG5000X, EM3000C, EM2500X, EM5000X, EU2000i, EU200i, EU3000iS, EW140, EW171K1, EX3300S, EX3300SKI, EX4500SK1A, EZ1499A, EZ2500A, EZ3500A, EZ5000A, JOHN DEERE G2500K, G4400K, G5500K, G5500KE, KAWASAKI GE2200A1, GE2900A, GE4000, GE4300A, GE4500A, GE5000AS, PP4000