Seawater Pump JPR C1025 for Cummins 4BT/A 3.9M, 6BT/A 5.9M Sh. M7,M71 M71-01 Replacement Replacement raw water pump for Cummins marine engines: 4B3.9M, 4BT3.9M, 4BTA3.9M, 6B5.9M, 6BT5.9M Replaces Cummins seawater pump: 3907458, 3912019. Replaces Sherwood Pumps M7, M71, M71-01 WATER CONNECTIONS: This pump has Inlet / Outlet ports 1-1/4" (32 mm) (For pump with 1-1/2" ( 38 mm) in/out ports, use DJ Pump DJ C0830). This is not the same as the Cummins 4BTA pump 3349340 (Sherwood G1503) which has different hose size and orientation. This is a JMP Marine pump JPR-C1025 - See link for Pump Detail Video Mounting gasket not included click here to order LP 3008400 Pump Parts: (Not Interchangeable with Cummins Pump) JMP DESCRIPTION QTY REMARK JPR-C1025 SEA WATER PUMP 1 RE-ENGINEERED BER0002 BALL BEARING 2 CAMSET0020 CAM SET 1 WITH SCREW & PACKING GAK0023 GASKET 1 GEA0007 GEAR 1 JMP 7300-01 IMPELLER 1 KEY0016 KEY, WOODRUFF 1 JMP MCSSET 0001 MECHANICAL SEAL SET 1 ORG0013 O-RING, IMPELLER 1 PBC0092 HOUSING, IMPELLER 1 RET0018 SEAL, OIL 1 SHA0051 SHAFT 1 SHERWOOD 14159 SNP0006 SNAP RING 1 SNP0009 SNAP RING 1 WER0014 WEAR PLATE 1 JSM 0047 MINOR KIT 1 JSK 0047 MAJOR KIT 1