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Service bulletin WC-C-1517-A

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 id10056614
Published by NHTSA2015-01-16
Manufacturer's numberWC-C-1517-A
Manufacturer's date2014-08-19
ReplacesWC-C1517-C
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:DIESEL

NHTSA's summary

CUMMINS: REVISED CAMPAIGN REPLACEMENT AUTHORIZATION FOR LOWER AND UPPER ROD BEARINGS SHELLS DUE TO BEING SUSCEPTIBLE TO MATERIAL DELAMINATION. *PE UPDATED 2/10/15. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine

Vehicles listed
CUMMINS ISX
CUMMINS QSK

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