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Service bulletin IK1201389

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 id10165606
Published by NHTSA2019-10-03
Manufacturer's numberIK1201389
Manufacturer's date2019-09-11
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Cummins ISB Fan Drive Belt Chirp; Cummins ISB and Cummins B6.7

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

Vehicles listed
IC BUS BE2017 to 2019
IC BUS CE2017 to 2020
IC BUS CESB2017 to 2020
IC BUS HC2017 to 2019
IC BUS RE2018
IC BUS RECB2017 to 2020
IC BUS RESB2017
IC BUS RESB2019 to 2020
IC BUS TC2019 to 2020
INTERNATIONAL 4000 SERIES 43002017 to 2018
INTERNATIONAL 43002018
INTERNATIONAL AECB2017
INTERNATIONAL AESB2017
INTERNATIONAL BE2017
INTERNATIONAL BECB2017
INTERNATIONAL BESB2017
INTERNATIONAL CE2017
INTERNATIONAL CECB2017
INTERNATIONAL CESB2017
INTERNATIONAL DURASTAR2017 to 2020
INTERNATIONAL FBC2018
INTERNATIONAL FE2018 to 2019
INTERNATIONAL HV2017 to 2020
INTERNATIONAL MV2017 to 2020

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