WenmarOpen by Wenmar Pro

Service bulletin TSB130046-022513

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 id10085525
Published by NHTSA2016-12-05
Manufacturer's numberTSB130046-022513
Manufacturer's date2013-02-25
NHTSA componentENGINE

NHTSA's summary

THIS TECHNICAL SERIVICE BULLETIN ANNOUNCES THE INRODUCTION OF A NEW TOP COMPRESSION RING WITH THICKER CHROME PLATING. THIS INCREASED CHROME PLATING WILL DECREASE RING WEAR AND IMPROVE RING LIFE.

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.