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Service bulletin TSB140126-091714

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 id10089925
Published by NHTSA2017-01-30
Manufacturer's numberTSB140126-091714
Manufacturer's date2014-09-18
NHTSA componentENGINE

NHTSA's summary

THIS TECHNICAL SERVICE BULLETIN INTRODUCES A REVISED DESIGN PISTON FOR THIS ENGINE MODEL. THE REVISED DESIGN PISTON REPLACES THE PREVIOUS DESIGN FOR PRODUCTION AND SERVICE.

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 WESTPORT ISL9 G

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