Johnson Pumps 09-704BT-1 Impeller Replacement Kit for 17000K Sherwood/18958-0001 Jabsco Impeller replacement kit replaces Sherwood part number 1700K and Jabsco part number: 18958-0001 Made of MC97 for cooling Engines/Pumps: Cummins 6B 300Hp B Series; Cummins C Series; CAT 3208; CAT 3116; CAT 3126; Deere 6076; Sherwood Pump P17 series