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Knox Trailers · Cooling System
CAC472
In stock · ships from Knoxville
A charge air cooler (CAC), also called an intercooler, for heavy-duty diesel trucks.
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Verified fitment for 2 applications
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All confirmed applications for this part number.
Western Star
Western Star
Cross-references confirm fitment for 2008–2015 Freightliner and Western Star trucks. May also fit specific earlier models; always verify with OEM part numbers.
Part data verified against 2 catalog sources
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It cools the hot compressed air from the turbocharger before it enters the engine, which increases air density for better combustion, power, and fuel efficiency. This part is replaced when the original cooler develops leaks, cracks, or internal blockages that cause a loss of boost pressure, black smoke, or engine overheating.
Part Number: CAC472
CAC
Dealer: Knox Trailers
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