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PAI · Cooling System
ERC-8381
In stock · ships from Knoxville
This PAI radiator cap is designed for heavy-duty truck cooling systems, fitting radiators with a 2-5/8 inch filler neck and a pressure rating of 10 PSIG.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
We don't publish fitment for this part yet. Rather than guess, get it confirmed against your truck in under a minute.
It helps maintain proper cooling system pressure, raising the boiling point to prevent overheating. Replace a worn or leaking cap if you notice coolant loss, temperature spikes, or a collapsed upper radiator hose.
Part Number: ERC-8381
RADIATOR CAP
Dealer: Post Onsite
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