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Service bulletin 43-054

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 id10143501
Published by NHTSA2018-08-06
Manufacturer's number43-054
Manufacturer's date2018-06-14
NHTSA componentEQUIPMENT

NHTSA's summary

Non-Safety Campaign ? T170/T270/T370 DPF/SCR Canister Bracket Bolts may be under-torqued.

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

Equipment and accessories

Vehicles listed
KENWORTH T1702017 to 2018
KENWORTH T2702017 to 2018
KENWORTH T3702017 to 2018

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