GMC S15 Coolant Hoses and Pipes
This page brings together coolant hoses and pipes for the GMC S15, covering model years 1982 through 1990. The range includes radiator coolant hoses, engine coolant hoses, hose kits, and oil cooler hose assemblies — all cross-referenced to your specific year. Select your year above and we'll show only the coolant hoses and pipes that fit your GMC S15. Fitment is checked against our vehicle data for every part listed.
Moroso 63461 Bolt-On Water Outlet Filler Neck with 16AN Fitting
Moroso 63468 Billet Aluminum Manifold Filler Neck for Chevy Small Block & Big Block V8
Gates 25254 Vulco-Flex II Radiator Coolant Hose 1.25 in. ID 18.5 in.
Gates 21345 Curved Radiator Coolant Hose Upper 1.26x1.5 ID OE Replacement
What's here for your GMC S15
- Radiator coolant hoses — OE replacement single and dual configurations
- Engine coolant hoses — manifold and routed styles for the engine bay
- Radiator coolant hose kits — bundled sets covering multiple hose positions
- Engine oil cooler hose assemblies — pre-formed assemblies for the oil cooling circuit
The widest selection here comes from Gates, ACDelco, Dayco, and Fairchild, each offering OE-style replacement parts built to match the original routing and connections of the GMC S15. Other categories GMC S15 owners shop for: GMC S15 Mirrors, GMC S15 Doors and Door Parts and GMC S15 Manual Transmission Parts, or browse all GMC S15 parts and accessories.