WenmarOpen by Wenmar Pro

Service bulletin TSB220262

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 id10231922
Published by NHTSA2023-02-21
Manufacturer's numberTSB220262
Manufacturer's date2023-01-02
NHTSA componentENGINE AND ENGINE COOLING; FUEL SYSTEM, OTHER:FUEL FILTER

NHTSA's summary

This technical service bulletin was issued for Issue of Metal debris can be present in the dirty (inlet) side of the stage 2 fuel filter of units below 12,070 km [ 7500 miles ] or 250 hours. Root Cause:Debris on the dirty (inlet) side of the stage 2 fuel filter can be present because of debris flowing in with fuel when the engine is initially run or broken in. Debris seen on the dirty (inlet) side of the stage 2 fuel filter.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Fuel system, Fuel filter

Vehicles listed
CUMMINS B6.7
CUMMINS ISB6.7

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