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PAI Industries · Engine
331300
In stock · ships from Knoxville
This is an aftercooler gasket designed to seal the connection between the charge air cooler (aftercooler) and the intake manifold on Caterpillar 3400 series diesel engines.
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Caterpillar
Caterpillar
Specifically for the aftercooler-to-intake-manifold joint. Verify exact shape and bolt pattern for your engine model, as some 3400 series variants may use a different gasket.
Part data verified against 4 catalog sources
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It prevents compressed air from leaking out, ensuring the turbocharger’s boost pressure reaches the cylinders for proper combustion. Over time, the original gasket can harden or blow out, causing power loss, black smoke, or a whistling noise. Replacing it is a routine maintenance step when servicing the aftercooler or chasing a boost leak.
Part Number: 331300
AFTERCOOLER GASKET CAT 2N8204
Dealer: Post Onsite
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