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Service bulletin IS-18901

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 id10136790
Published by NHTSA2018-05-14
Manufacturer's numberIS-18901
Manufacturer's date2018-04-20
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

This instruction sheet explains how to install an engine belt guard

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

Vehicles listed
PREVOST X32017 to 2018
PREVOST X3VIP2017 to 2018

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