Cadillac STS Radiators and Coolers
This page brings together radiators and coolers for the Cadillac STS covering model years 2005–2011, including radiators, automatic transmission oil coolers, and engine oil coolers in OE replacement and performance styles. Choose your model year above and this page keeps only the radiators and coolers that fit your Cadillac STS. Each listing is matched to our vehicle fitment data before it appears here.
Derale Performance 15602 10-Row Stack Plate Engine Oil Cooler Kit with Thermostatic Sandwich Adapter
Earl's Performance Transmission Cooler Adapters for GM Automatic Transmissions
What's here for your Cadillac STS
- Automatic transmission oil coolers
- Radiators, including OE replacement and performance options
- Engine oil coolers
- Engine oil cooler mounting kits
- Engine oil cooler line connectors
- Automatic transmission oil cooler mounting kits
The widest selection here comes from Hayden Automotive, Four Seasons, ACDelco, and Derale Performance, spanning universal-fit and vehicle-specific components across kit and individual-part formats. Other categories Cadillac STS owners shop for: Cadillac STS Shocks and Struts, Cadillac STS Valve Train Parts and Cadillac STS Tires, or browse all Cadillac STS parts and accessories.