Recall campaign21V391000

Recall 21V391000: 2018–2021 Peterbilt 337 and 9 other models

Fuel system, diesel › Fuel injection system › Fuel rail

Report received: May 26, 2021
Manufacturer: PACCAR Incorporated
Potentially affected: 612vehicles
Model years: 2018–2021

Check your own vehicle. A recall applies only to vehicles within the affected build range. Enter your VIN at nhtsa.gov/recalls. Recall repairs are free at a franchised dealer.

What NHTSA recorded

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.

Possible consequence

A fuel leak in the presence of an ignition source increases the risk of a fire.

Remedy

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.

Affected model years

Pages for each model year show complaints, parts, mileage and other recalls.

2018 Kenworth T2700 complaints
2019 Kenworth T2700 complaints
2020 Kenworth T2700 complaints
2021 Kenworth T2700 complaints
2018 Kenworth T3701 complaints
2019 Kenworth T3701 complaints
2020 Kenworth T3700 complaints
2021 Kenworth T3700 complaints
2018 Kenworth T4400 complaints
2019 Kenworth T4400 complaints
2020 Kenworth T4400 complaints
2021 Kenworth T4401 complaints
2018 Kenworth T8001 complaints
2019 Kenworth T8000 complaints
2020 Kenworth T8000 complaints
2021 Kenworth T800B0 complaints
2018 Kenworth T8803 complaints
2019 Kenworth T8800 complaints
2020 Kenworth T8800 complaints
2021 Kenworth T8801 complaints
2018 Peterbilt 3370 complaints
2019 Peterbilt 3370 complaints
2020 Peterbilt 3370 complaints
2021 Peterbilt 3370 complaints
2018 Peterbilt 3650 complaints
2019 Peterbilt 3650 complaints
2020 Peterbilt 3651 complaints
2021 Peterbilt 3650 complaints
2018 Peterbilt 5200 complaints
2019 Peterbilt 5201 complaints
2020 Peterbilt 5203 complaints
2021 Peterbilt 5200 complaints
2018 Peterbilt 5671 complaints
2019 Peterbilt 5672 complaints
2020 Peterbilt 5670 complaints
2021 Peterbilt 5671 complaints

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.