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Service bulletin WB12-31B

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 id10131485
Published by NHTSA2018-04-02
Manufacturer's numberWB12-31B
Manufacturer's date2012-11-26
NHTSA componentEQUIPMENT

NHTSA's summary

On the vehicles affected by this bulletin, a new and improved dipstick is available for installation.

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
PREVOST H3-412008 to 2013
PREVOST H3-452008 to 2013
PREVOST H3-VIP2011 to 2013
PREVOST WE2009 to 2013
PREVOST X32008 to 2013

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