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Service bulletin CPI470375

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10176159
Published by NHTSA2020-06-04
Manufacturer's numberCPI470375
Manufacturer's date2020-05-14
NHTSA componentEQUIPMENT; ENGINE AND ENGINE COOLING

NHTSA's summary

C15/C18 engine applications are seeing water pumps fail due to leaks in both machine and industrial engine applications. These are failing in a wide range of environments.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Equipment and accessories

Vehicles listed
CATERPILLAR C15
CATERPILLAR C18

Listing a model year does not mean every vehicle of it is concerned: the document says which.