Replacement raw water cooling pump for Cummins Engines: Cummins QSB 5.9, QSB 6.9, QSB 6.7 (newer models) Upgraded shaft and seal for spline type impeller. Replaces Cummins Pump 3922589 (Old style Sherwood 17000 keyway impeller pump) Replaces Cummins Pump 5268375 / 4948142 / 3974455 (newer Sherwood 27000 spline impeller pump). Replaces Sherwood Pump P/N P2701X, P2702-01, P2706-01, P2708X, P2710-01 This is a JMP Marine Pump JPR-S7608 See link for pump detail video JMP JPR-S7608 Pump Parts (design improvements made - not interchangeable with original pump parts): For the original SHERWOOD mechanical seal please refer to numbers 15955 or 25115 Note there are 2 types of seals. Wear plate refer Sherwood 24162 our number AN 6238 This is a JMP Marine Part JPR-S7608. PUMP PARTS: JMP DESCRIPTION QTY REMARK JPR-S7608 SEA WATER PUMP 1 RE-ENGINEERED BER0039 BALL BEARING 2 BOL0006 BOLT, END COVER 3 BOL0036 SPRING WASHER 3 CAMSET0031 CAM SET 1 WITH SCREW, PACKING COV0036 END COVER 1 7608-01 IMPELLER 1 MCSSET0014 MECHANICAL SEAL SET 1 ORG0030 O-RING, END COVER 1 SHA0079 SHAFT 1 SNP0011 SNAP RING 1 WER0019 WEAR PLATE 1 JSM0002 MINOR KIT JSK0068 MAJOR KIT 1 ALL INTERNAL PARTS