Paccar recalls about 26,700 Kenworth and Peterbilt trucks over Cummins L9 fuel hose leaks
Equipment · Oct 28 · By Truker
Paccar is recalling 26,729 Kenworth and Peterbilt trucks with Cummins L9 engines because a remote fuel filter hose can separate from its fitting, causing a fuel leak and an engine stall, according to NHTSA recall 26V700.
The points
- 1Covered models: Kenworth T270 and T370 (model years 2022-23), T280 (2022-27), T380 and T480 (2023-27); Peterbilt 548 (2022-27), 536 and 537 (2023-27), and 567 (2025).
- 2NHTSA received Paccar's report Oct. 22, 2026. NHTSA says a fuel leak near an ignition source raises the risk of fire, and an engine stall raises the risk of a crash.
- 3Paccar estimates only about 3% of the recalled trucks actually have a defective hose, Land Line reported. Warning signs include a diesel smell, a visible leak or a low fuel pressure warning. No warranty claims or injuries have been reported.
- 4Dealers will replace the fuel hoses free of charge. Owner letters are to be mailed beginning Dec. 20, 2026. Paccar's recall number is 26PACJ; Kenworth customer service is 1-425-828-5888 and Peterbilt's is 1-940-591-4220.
- 5This follows Cummins' September equipment recall covering more than 39,000 L9 engines and Daimler's Freightliner recall 26V660 of 2,592 trucks and chassis. Daimler and Paccar together account for about three-quarters of the L9 engines being recalled, per Land Line.
Why it matters
Owners don't have to wait for the Dec. 20 letters: a VIN lookup on NHTSA's recall site shows whether a truck is covered. A diesel smell or low fuel pressure warning on one of these models is the cue to get it to a dealer.
What we read
NHTSA recall 26V700, Oct. 22: api.nhtsa.gov | Land Line, Oct. 28: landline.media