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Service bulletin TSB-110277

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 id10056787
Published by NHTSA2015-02-20
Manufacturer's numberTSB-110277
Manufacturer's date2014-09-18
NHTSA componentENGINE

NHTSA's summary

CUMMINS: FOR 15 LITER ENGINES, NEW CYLINDER BLOCK AND CYLINDER LINER WERE INTRODUCED AND CYLINDER BLOCK HAD BEEN DESIGNED TO BE BACKWARD COMPATIBLE AND CYLINDER LINER IS DESIGNED NOT TO CROSS COMPATIBLE BETWEEN CYLINDER BLOCK DESIGN. *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 CUMMINS
CUMMINS ISX
CUMMINS SIGNATURE

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