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Service bulletin FDM-TSIB-032

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 id10202960
Published by NHTSA2021-11-04
Manufacturer's numberFDM-TSIB-032
Manufacturer's date2021-10-25
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

This bulletin provides instruction on replacing a Shaw DEF tank assembly with a Elkhart DEF tank assembly. Installation of the Elkhart DEF tank assembly provides the highest quality electronics currently available at a reasonable price.

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
OSHKOSH S SERIES

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