This water pump is completely new, from the seal to the housing. It has a 4.938" filler neck and fits the Allis-Chalmers Tractor D17 (series III diesel) and D19 (gas or lp). (NOTE: replaces ACD4516959, 134680-R, 4516959, 74517296-R, 74517362-R)

•  This Item Is Rebuild & Return Only