High pressure fuel rail assembly may leak fuel
Defect Summary
Paccar incorporated (paccar) is recalling certain 2018-2021 peterbilt 337, 348, 365, 367, 520, 567, kenworth t270, t370, t440, t470, t800 and t880 vehicles. the sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.
Safety Consequence
A fuel leak in the presence of an ignition source increases the risk of a fire.
Corrective Action
Dealers will inspect the rail threads and fuel lines, and replace the rail as necessary, free of charge. owners may contact paccar customer service at 1-425-828-5888 (kenworth) or 1-940-591-4220 (peterbilt). paccar's numbers for this recall are 21kwc and 21pbd.
Similar Recalls
Other recalls from Paccar Incorporated or involving Fuel System, Diesel.
FAQ: Recall 21V391000
Your rights, the repair process, and what each field on this page means.
What is recall 21V391000?
NHTSA recall 21V391000 was issued by Paccar Incorporated on May 26, 2021. It addresses: High pressure fuel rail assembly may leak fuel. The recall affects approximately 612 vehicles, with the defect involving the Fuel System, Diesel component.
How do I get this recall repaired?
Contact any authorized Paccar Incorporated dealer and reference NHTSA recall ID 21V391000 or the manufacturer campaign number 21KWC, 21PBD. Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.