What is UAH type?
there are only 3 pumps
rcsk18330 for all v-belt and early serpentine
2 new style serp with remote mounted reservoir, one is for standard steering gear, the other for the sheopard gear, which has a higher BAR rating.
you cannot use the latter 2 on early style trucks
Never in 30yrs heard the term UAH...the pump is for any HMMWV motor with the new style remote mounted reservoir which uses the all casted serp parts. That pump NSN is a 120 BAR for the Sheppard steering gear.
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