This is the thermostat housing and water outlet for many different GM vehicles from 1982-1992. This is for those vehicles equipped with the 2.3L and 2.5L 4 cylinder engine. This is a brand new, factory OEM, genuine GM part, manufactured by ACDelco, still in the original box.

GM part # 10101865

Alternate part #'s 15-1552 ; 15-8625 ; 10181367 ; 10040153

Item is number 7 in the GM diagram.