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PAI · Cooling System
381820
In stock · ships from Knoxville
This aluminum water pump inlet adapter fits Caterpillar 3406E, C15, C16, C18, and other 3400 series engines.
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Verified fitment for 5 applications
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All confirmed applications for this part number.
Caterpillar
Caterpillar
Part data verified against 5 catalog sources
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It serves as the connection between the water pump and the engine’s coolant inlet, directing coolant flow. Replacing the adapter is common when the original part becomes corroded, cracked, or develops a leak that can cause coolant loss and overheating. It is a direct aftermarket replacement for the OEM part number 7C9222.
Part Number: 381820
WP-INLET ADAPTER, CAT7C9222
Unit: ea
Vendor: PAI Industries
Dealer: KP Services Crossville
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