GM Original Equipment 15 Psi Radiator Cap Replacement For Cars And Trucks OEM Cooling System Seal Keep It Leakproof Fit Durable Construction Easy Install Keeps Pressure On Point And Engine Cool
✔️ Maintains cooling pressure, leakproof seal, easy to install
The GM Original Equipment Radiator Cap is a spring-loaded cap that seals the radiator filler neck or surge tank. It is a GM-recommended replacement designed to maintain pressure in the cooling system while the engine runs, which raises the boiling point of the engine coolant. It also replenishes coolant from the expansion tank when the engine cools. This OEM part matches GM's original performance and durability.
✅ 15 psi pressure rating for proper cooling system pressure
✅ Seals radiator filler neck and surge tank to prevent leaks
✅ OEM GM replacement for exact fit and long service life
✅ Color: Black; easy install
💡 What is a 15 psi radiator cap used for in GM vehicle cooling systems?
It’s a handy, practical part that helps keep engines from overheating by maintaining proper pressure and sealing the system.
- Maintains system pressure to raise coolant boiling point - Prevents coolant loss by sealing the radiator neck - OEM GM replacement ensures proper fit and reliable operation - Easy install on standard GM radiators