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Service bulletin TSB160017-031720

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 id10110308
Published by NHTSA2017-08-04
Manufacturer's numberTSB160017-031720
Manufacturer's date2017-03-17
NHTSA componentEQUIPMENT:MECHANICAL; ENGINE AND ENGINE COOLING

NHTSA's summary

This Technical Service Bulletin communicates the release of a new lubricating oil filter bypass valve. The oil filter bypass valve can leak, caused by improper sealing of the lubricating oil filter bypass valve plunger in the lubricating oil filter head. The new lubricating oil filter bypass valve has been released to address this issue. This is an updated version of a previously released communication.

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, Equipment and accessories

Vehicles listed
CUMMINS ISM
CUMMINS ISX11.9
CUMMINS ISX12
CUMMINS ISX12 G
CUMMINS ISX15
CUMMINS WESTPORT ISX11.9G

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