Cummins: 3010336, 3278137, 3907458, 3912019 This product replaces the following manufacturer's part nr: Sherwood raw water pump order number: M71, SHEM71  Replaces Sherwood previous references: M70, M71-01 Cummins: 3912019, 3907458 Recmar: REC3010336 DJ Pumps: DJ-C0820 Genuine Sherwood ® raw water pump. This Sherwood M71 pump, is commonly mounted on the following engines: Cummins 4B3.9M, 4BT3.9M, 4BTA3.9M 6B5.9M, 6BT5.9M Water pump specifications:Impeller Kit: 10615KMinor Repair Kit: 23976*Major Repair Kit: 23977*Inlet Port: 1-1/4"Outlet Port: 1-1/4"