For 1988-1990 GMC S15 4.3L V6 Engine Water Pump Stud Kit Dorman 1989. 1988 GMC S15 Engine: 4.3L V6;. 1989 GMC S15 Engine: 4.3L V6;. 1990 GMC S15 Engine: 4.3L V6;. Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience.
