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Service bulletin S007

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 id10203782
Published by NHTSA2021-12-02
Manufacturer's numberS007
Manufacturer's date2021-11-16
NHTSA componentVISIBILITY

NHTSA's summary

Non-Safety Campaign - Convex mirrors are available. Parts will be shipped to dealers.

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

Glass, wipers and mirrors

Vehicles listed
KENWORTH T4402021 to 2022
KENWORTH T4702021 to 2022
KENWORTH T800B2021 to 2022
KENWORTH W9002021 to 2022

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