For Sherwood M71 Cummins 4B Diesel Water Pump Replaces 3907458 3912019 M70
Cooling Sea Water Pump Fit For Cummins Engine 4B 4BT 6B 3907458 3912019. Part Number： 3907458 3912019 M71 M70. Fit: Cummins B series engines, Cummins 4B (up to 150HP) and 6B (up to 210HP) engines.