WenmarOpen by Wenmar Pro

Service bulletin TRP-1228

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 id10044521
Published by NHTSA2012-07-11
Manufacturer's numberTRP-1228
Manufacturer's date2012-04-24
NHTSA componentENGINE

NHTSA's summary

CUMMINS: THE LUBRICATION SYSTEM DEBRIS, GENERATED BY FUEL PUMP GEAR CONTACTING FRONT GEAR HOUSING, MUST BE EXPERIENCE BY CERTAIN ENGINES UNDER WARRANTY. *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

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