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Service bulletin C2745

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 id10245660
Published by NHTSA2023-12-01
Manufacturer's numberC2745
Manufacturer's date2023-11-16
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

This campaign is being issued to address potential concerns with the rubber damper on certain L9 CM2450 L126B engines installed in Temsa applications. This document authorizes certified Cummins repair locations to upfit from the Rubber Damper (PN DA9365) to Viscous Damper (PN DA9293).

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
CUMMINS L9

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