GMC Envoy Radiators and Coolers
This page brings together radiators and coolers for the GMC Envoy across model years 1998–2009, covering everything from automatic transmission oil coolers and engine oil cooler lines to full radiator replacements and coolant reservoirs. Choose your model year above and this page keeps only the radiators and coolers that fit your GMC Envoy. Each listing is matched to our vehicle fitment data before it appears here.
Derale Performance 13900 16-Pass Electra-Cool Transmission Cooler Kit -6AN with 650 CFM Fan
Derale Performance 15602 10-Row Stack Plate Engine Oil Cooler Kit with Thermostatic Sandwich Adapter
Koyo OE Replacement Radiator with Aluminum Core and Integrated Transmission Cooler
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
What's here for your GMC Envoy
- Automatic Transmission Oil Coolers
- Radiators (OE replacement and performance styles)
- Engine Oil Cooler Line Connectors
- Engine Oil Cooler Mounting Kits
- Engine Coolant Reservoirs
The widest selection here comes from Hayden Automotive, Four Seasons, ACDelco, and Derale Performance, spanning OE-replacement and performance-oriented fitments across the 1998–2009 Envoy range. Other categories GMC Envoy owners shop for: GMC Envoy Springs and Suspension Parts, GMC Envoy Shocks and Struts and GMC Envoy Exterior Lights, or browse all GMC Envoy parts and accessories.