GMC Sierra 2500 Radiators and Coolers
This page brings together radiators and coolers for the GMC Sierra 2500, covering model years 1999–2013. The range includes automatic transmission oil coolers, radiators, engine oil coolers, coolant reservoirs, and related hardware in OE replacement, heavy-duty, and performance configurations. Choose your model year above and this page keeps only the radiators and coolers that fit your GMC Sierra 2500. Each listing is matched to our vehicle fitment data before it appears here.
Derale Performance 13960 Hyper-Cool Transmission Cooler Kit -6AN with 500 CFM Electric Fan
Derale Performance 15602 10-Row Stack Plate Engine Oil Cooler Kit with Thermostatic Sandwich Adapter
Mishimoto MMTC-GMT-99 Performance Transmission Cooler, Stacked-Plate Core
Derale Performance 35621 Thermostatically Controlled LS Engine Oil Cooler Adapter Kit
Derale Performance 35601 LS Engine Oil Cooler Block-Off Adapter with 1/8" NPT Ports
Representative Photo, actual item may vary
What's here for your GMC Sierra 2500
- Automatic transmission oil coolers, including kit and heavy-duty options
- Radiators in OE replacement and performance styles
- Engine oil cooler line connectors and related hardware
- Engine coolant reservoirs
- Engine oil coolers, including heavy-duty and gasket-included configurations
The widest selection here comes from ACDelco, Hayden Automotive, Dorman, and Derale Performance, spanning OE-style replacements through performance and heavy-duty pieces. Other categories GMC Sierra 2500 owners shop for: GMC Sierra 2500 Exterior Lights, GMC Sierra 2500 Doors and Door Parts and GMC Sierra 2500 Body and Paint Equipment, or browse all GMC Sierra 2500 parts and accessories.