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Service campaign C7185

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 campaign
NHTSA id11023888
Published by NHTSA2025-10-04
Manufacturer's numberC7185
Manufacturer's date2025-09-05
Campaign id or software versionC7185
NHTSA componentENGINE

NHTSA's summary

This Warranty Field Campaign is being issued to address potential Speed Indicator Ring capscrew failures on certain L9 engines. This document authorizes Cummins Certified Repair Locations to proactively replace the Speed Indicator Ring capscrews.

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.