Cummins L9: Fuel System, Diesel recall
NHTSA campaign 26E066000 · 39K units potentially affected · filed Sep 28, 2026
What's wrong
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.
Why it matters
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.
The fix
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.
Recall details
- NHTSA campaign
- 26E066000
- Manufacturer no.
- C7311
- Manufacturer
- Cummins, Inc.
- Component
- FUEL SYSTEM, DIESEL:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
- Units affected
- 39,052
- Report received
- Sep 28, 2026
- Owner letters
- —
- Type
- Equipment
Check whether your vehicle is included with the official NHTSA VIN lookup or your dealer. Repairs for safety recalls are free.
Vehicles covered
- Cummins L9 9999