MF Pump, Water w/o Pulley, 15/16″ Shaft (W/Single Thermostat) A-3641870M91
This water pump without pulley is completely new, from the seal to the housing, and has a 0.9375″ shaft size. It fits the Massey Ferguson Tractor 1100 (with single thermostat) and 1130 (with single thermostat). (NOTE: replaces 3641870M91-R, 3641870M91-RP, 37712330, 37712330P)