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Service bulletin IS-19912D

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 id10201824
Published by NHTSA2021-10-04
Manufacturer's numberIS-19912D
Manufacturer's date2021-09-20
NHTSA componentELECTRICAL SYSTEM; POWER TRAIN

NHTSA's summary

ELECTRIC FAN DRIVE COOLING SYSTEM CONVERSION WITH DELCO REMY ALTERNATOR - X3 SERIES US10 UP TO GHG17 COOLING SYSTEM

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

Electrical system, Transmission and driveline

Vehicles listed
PREVOST X3-452011 to 2017
PREVOST X3-45 COACH2011 to 2016
PREVOST X3-45 VIP2011 to 2017

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