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Navistar International · Engine
3543541C1
In stock · ships from Knoxville
This is a flexible rubber hose, often called a charge-air-cooler (CAC) boot, designed for the hot side of a turbocharger and intercooler system on Navistar International trucks.
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Verified fitment for 1 applications
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All confirmed applications for this part number.
International
International
Listing confirms fitment on a 1998 International 8100; described as 'hot side' air-to-air boot. Likely fits multiple Navistar models equipped with the same CAC plumbing, but only the 8100 is explicitly verified.
Part data verified against 2 catalog sources
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It carries pressurized, heated air from the turbo to the charge air cooler or intake, and is made of high-temperature silicone to handle extreme underhood conditions. You typically replace this hose when it cracks, splits, or hardens from heat cycles, which can cause boost leaks, power loss, and visible soot or oil residue around the connection. A failed boot can lead to poor engine performance and should be swapped out promptly to maintain proper turbo pressure.
Part Number: 3543541C1
HOSE
Dealer: Knox Trailers
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