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Service bulletin WC-C-1555

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 id10056723
Published by NHTSA2015-02-08
Manufacturer's numberWC-C-1555
Manufacturer's date2014-09-23
ReplacesWC-C-1555-C
NHTSA componentENGINE

NHTSA's summary

CUMMINS: THE HIGH PRESSURE FUEL PUMP CERAMIC HEAD HAS THE PLUNGERS, THE BARREL'S, TAPPETS REPLACED IN ENGINE. *PE UPDATED 2/13/15. *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 ISX15

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