Universal Coolant Reservoir Cap For Chevy GMC Buick Cadillac Cars And Trucks Ride Ready Fits Silverado 1500 2500 3500 Express Avalanche Suburban Savana Sierra Yukon Equinox Malibu Cavalier Captiva And More Radiator Surge Tank Cap

Single-cap GM coolant reservoir cap - fits GM trucks
✔️ Universal sealed radiator cap compatible with Chevy GMC Buick Cadillac

This universal coolant reservoir cap is designed to fit a wide range of GM vehicles, including trucks and SUVs, and is used to seal the radiator surge tank and maintain proper coolant pressure in the cooling system.

✅ 100% tested before shipping
✅ Wide compatibility with Buick, Cadillac, Chevy, GMC and more
✅ Fits Silverado, Suburban, Tahoe, Sierra and many GM models

💡 What is a coolant reservoir cap used for?

It seals the radiator surge tank and helps maintain the proper coolant pressure to keep engine cooling efficient.

- Keeps coolant from boiling over - Maintains system pressure for consistent cooling - Handy for a wide range of GM vehicles