WenmarOpen by Wenmar Pro

Service bulletin WC-C-1556-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 id10056725
Published by NHTSA2015-02-08
Manufacturer's numberWC-C-1556-A
Manufacturer's date2014-09-23
NHTSA componentENGINE

NHTSA's summary

CUMMINS: INFORMATION PROVIDED TO ADDRESS THE FRACTURES OF THE HIGH PRESSURE FUEL PUMP CERAMIC PLUNGER AND TO REPLACE THE BARRELS, PLUNGER, AND TAPPETS. *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 CUMMINS

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