Where is the oil filter located on a 1990 GMC Sierra S15?
Best answer I can give is six cylinder. Sorry.
Underneath on the right side. Put a pan under it to catch the oil that is going to drip out when you unscrew it.
Looking for a Used Sierra in your area?
CarGurus has 27 nationwide Sierra listings and the tools to find you a great deal.
Search GMC Sierra Questions
GMC Sierra Experts
Related Models For Sale