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Service bulletin C0439C

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 id10202373
Published by NHTSA2021-10-25
Manufacturer's numberC0439C
Manufacturer's date2021-08-10
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

This Campaign revision extends the expiration date on this safety campaign and authorizes the field to apply service kit Part Numbers 4918250 and 4918251 to ISC/ISL cylinder blocks on engines that are on the suspect engine serial number list. This safety campaign is for NHTSA Recall 04E-059.

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
CUMMINS ISC
CUMMINS ISL

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