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PAI · Engine
331319
In stock · ships from Knoxville
This is an adapter gasket for Caterpillar 3406 engines. It seals the adapter housing to the engine block, preventing oil or coolant leaks.
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Caterpillar
Caterpillar
Fits the adapter gasket on Caterpillar 3406 engines. Always verify with your engine serial number before ordering.
Part data verified against 3 catalog sources
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You typically replace it anytime the adapter is removed for service, or if a leak is detected. It is an aftermarket replacement manufactured by PAI Industries, cross-referenced to OEM part number 7W0688.
Part Number: 331319
ADAPTER GASKET CAT 7W0688
Vendor: PAI Industries
Dealer: Knox Trailers
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