Certain Cummins L9 diesel engines, part number D563027BX03, are affected; they can be identified by that model and part number. The remote fuel filter hoses may separate from the fitting, causing a fuel leak and an engine stall, which raises the risk of fire and crash. Dealers will replace the fuel hoses free of charge; owner letters are expected to be mailed November 20, 2026, and Cummins can be reached at 1-800-286-6467 (recall number C7311).
What's being recalled
Cummins, Inc. (Cummins) is recalling certain L9 diesel engines, part number D563027BX03. The remote fuel filter hoses may separate from the fitting, causing a fuel leak and an engine stall.
How to identify it
NHTSA campaign 26E066000; Manufacturer campaign C7311
The hazard
A fuel leak in the presence of an ignition source increases the risk of a fire. An engine stall increases the risk of a crash.
What to do
Dealers will replace the fuel hoses, free of charge. Owner notification letters are expected to be mailed November 20, 2026. Owners may contact Cummins customer service at 1-800-286-6467. Cummins number for this recall is C7311. Engines remedied under Recalls 23E055, 24E038, or 25E004 will need to have the new redesigned parts installed.
The official notice
This page is a summary of the notice published by U.S. National Highway Traffic Safety Administration, collected from U.S. National Highway Traffic Safety Administration. Check the original before you act on it.
Read the official notice (opens in a new tab)