A radiator cap keeps the cooling system pressured which raises the boiling point.
The radiator cap also has a vacuum valve that allows coolant to flow from the reservoir tank to the radiator during cool down.
When the coolant temperature drops, the coolant will contract and create a vacuum.
A radiator cap looks simple but, is critical for a properly operating cooling system.
Pressurized cooling systems help prevent overheating and coolant loss.
Specification | |
Make Compatibility | Toyota |
Fitment Type | Direct Replacement |
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