GMC S15 Radiators and Coolers
This page covers radiators and coolers for the GMC S15, spanning model years 1982–1990. The range includes automatic transmission oil coolers, radiators, radiator caps, drain petcocks, and engine oil cooler mounting kits in OE replacement and performance styles. Select your year above and we'll show only the radiators and coolers that fit your GMC S15. Fitment is checked against our vehicle data for every part listed.
Derale Performance 13950 Atomic-Cool Transmission Cooler Kit with 500 CFM Electric Fan -6AN
Derale Performance 13700 Electra-Cool 16-Pass Remote Fluid Cooler with 650 CFM Fan -6AN
Derale Performance 13750 15 Row Atomic Cool Remote Fluid Cooler with Fan -6AN
Derale Performance 15602 10-Row Stack Plate Engine Oil Cooler Kit with Thermostatic Sandwich Adapter
Derale Performance 15405 Plate & Fin Engine Oil Cooler Kit with Sandwich Adapter
Derale Performance 15502 Series 7000 Engine Oil Cooler Kit with Sandwich Adapter
Moroso 63467 Extended Billet Aluminum Water Filler Neck 5.75 Inch 45 Degree
Derale Performance 15302 Replacement Oil Cooler Core 6-Pass Tube & Fin
What's here for your GMC S15
- Automatic transmission oil coolers — universal and application-specific kits
- Radiators — OE replacement and performance styles
- Radiator caps
- Radiator drain petcocks
- Engine oil cooler mounting kits with gaskets
The widest selection here comes from Hayden Automotive, Dorman, Derale Performance, and Four Seasons, covering a range of OE replacement and performance-oriented options. 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.