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Service bulletin 43-059

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 id10161056
Published by NHTSA2019-06-10
Manufacturer's number43-059
Manufacturer's date2019-05-10
NHTSA componentENGINE; FUEL SYSTEM, DIESEL; EQUIPMENT

NHTSA's summary

Information: This document is intended for UL2 aftertreatment diesel exhaust fluid (DEF) systems and outlines how to store individual components with the intent of being reused after storage. Storage time is not to exceed two years.

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, Equipment and accessories, Fuel system

Vehicles listed
PACCAR MX-11
PACCAR MX-112013 to 2017
PACCAR MX-13
PACCAR MX-132011 to 2017

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