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Service bulletin IS-19913

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 id10158596
Published by NHTSA2019-04-15
Manufacturer's numberIS-19913
Manufacturer's date2019-03-25
NHTSA componentELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR; ELECTRICAL SYSTEM

NHTSA's summary

This instruction sheet explains how to install Delco Remy Alternators

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, Alternator

Vehicles listed
PREVOST H3-412011 to 2013
PREVOST H3-452011 to 2013
PREVOST X32011 to 2013

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