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Kenworth sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.

NHTSA campaign 21V-391 · Reported May 26, 2021 · 612 vehicles affected

AFFECTED MODELS
Kenworth T800, T880, 337, 348, 365, 367, 520 and 567
VEHICLES AFFECTED
612
REMEDY
Dealers will inspect the rail threads and fuel lines, and replace the rail as necessary, free of charge.
COST
Free

The short version

PACCAR Incorporated reported a problem with the fuel injection system fuel rail. Here is what owners need to know.

WHAT

The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.

WHY IT MATTERS

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

WHAT TO DO

Take it to a dealer — they will inspect the rail threads and fuel lines, and replace the rail as necessary, free of charge.

Affected vehicles

These model years are included in NHTSA campaign 21V-391.

YEAR RANGEMODEL
2018–2020Kenworth T800
2018–2021Kenworth T880
2018–2021Peterbilt 337
2018–2021Peterbilt 348
2018–2021Peterbilt 365
2018–2021Peterbilt 367
2018–2021Peterbilt 520
2018–2021Peterbilt 567

What changed

Newest first. The record shows both when the recall began and what has changed since.

  1. Recall reported to NHTSA. LATEST

Drive one of these? Check your VIN to see if your specific vehicle is affected.

Check your VIN

What this record means

Data from the NHTSA recall database. A clean VIN check means no open federal recalls for that vehicle — not that it never had one.

Not affiliated

MyAutoRecalls is not affiliated with PACCAR Incorporated or the National Highway Traffic Safety Administration.