ACDelco radiator caps help restore cooling performance with the proper fit, form, and function for your vehicle. They feature high-quality materials and strict design requirements that match OE specifications—critical to ensuring an easy installation and dependable operation. The replacement caps are available in dozens of styles and options. Order the model recommended for your application.
Radiator Cap – OE
Radiator Cap – OE
Build Type:
$16.99
🛒
7 G8 Owners Have Bought This.
Key Features
- Factory GM Performance and Engineering
- 20 PSI
- Fits All Years and Trims
Est. Ship By Mon, Sep 21
-
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Will this fit a Cold Case radiator?
Donte asked on July 16, 2026
It should fit as well as the stock radiator cap, keep in mind that the factory radiator cap is a very tight fit on the Cold Case radiator.
jlabruzza answered on July 31, 2026 store manager
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