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Service bulletin WB13-49

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 id10110660
Published by NHTSA2017-08-04
Manufacturer's numberWB13-49
Manufacturer's date2013-07-18
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

NHTSA's summary

On the vehicles affected by this bulletin, replace the prototype version of the Urea Quality Sensor #21891229 by the production version of the sensor #22073036.

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, Exhaust and emissions, Fuel system

Vehicles listed
PREVOST H3-452013 to 2014
PREVOST H3-VIP2013
PREVOST WE2013
PREVOST X32012 to 2013

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