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Service bulletin CPI400017

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 id10117344
Published by NHTSA2017-09-14
Manufacturer's numberCPI400017
Manufacturer's date2017-08-24
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Some Reman 3126 HEUI Injectors were shipped with incorrect Case Orings (P/N 148-2903) These Orings are shipped in a separate kit with the Injector. Please use 148-2903 Oring from dealer stock to replace any incorrect Orings. Incorrect Oring is larger in internal diameter & thinner if installed will be loose on the nozzle case.

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

Vehicles listed
CATERPILLAR CATERPILLAR

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