Your cart is empty
Browse our catalog to find the parts you need.
These images are illustrative and may not match the product exactly. Always verify by part number — or confirm instantly with the assistant using a photo or VIN.
PAI · Cooling System
381809E
In stock · ships from Knoxville
This water pump assembly circulates coolant through the Caterpillar C15 ACERT engine, maintaining stable operating temperatures and preventing overheating.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 1 applications
Add your truck to see whether it's one of them
All confirmed applications for this part number.
Caterpillar
Caterpillar
Part data verified against 5 catalog sources
Different year, make, or config? Get a confirmation against your truck in under a minute.
It is a direct replacement for the original equipment unit when wear, bearing noise, or coolant leaks occur. The assembly includes new gaskets and O‑rings for a proper seal and is built with a steel housing and a 74‑tooth drive gear.
Part Number: 381809E
WATER PUMP ASSEMBLY OEM: 2243238
Vendor: PAI Industries
Dealer: KP Services Crossville
Compatibility, alternatives, and more
