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381820
This aluminum water pump inlet adapter fits Caterpillar 3406E, C15, C16, C18, and other 3400 series engines.
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 data verified against 5 catalog sources
Part Number: 381820
WP-INLET ADAPTER, CAT7C9222
Unit: ea
Vendor: PAI Industries
Dealer: KP Services Crossville
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