DB Electrical 1206-6201 Massey Ferguson Water Pump for 3641338M91, 3641823M91, 37711330, 739527M91, 747542M91, U5MW0023 100% New aftermarket water pump ensures a long service life that remanufactured water pumps cannot 1-year warranty protects you after your purchase Factory direct pricing with no middleman markup delivers exceptional value Fits: Massey Ferguson tractors 3641338M91, 3641823M91, 37711330, 739527M91, 747542M91, U5MW0023 Specs: Perkins AG3.152 gas and AD3.152 diesel motors. Gasket included. Cast#37711330, U5MW0023.