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Kenworth T440 Recall 21V601: Fuel hose may leak, creating a fire risk

NHTSA campaign 21V601, reported August 3, 2021, 688 vehicles potentially affected.

What this recall means for you

Certain trucks equipped with Cummins L9 diesel engines may have a fuel hose between the fuel pump and the remote fuel filter head that can leak. Diesel fuel escaping near an ignition source can increase the risk of a fire.

If you own an affected vehicle, the fuel hoses will be replaced free of charge by Cummins. Owner notification letters were expected to be mailed in October 2021. You can also contact PACCAR customer service at 1-425-828-5888 for Kenworth or 1-940-591-4220 for Peterbilt, referencing recall numbers 21KWF or 21PBG. Check your vehicle identification number (VIN) for open recalls to confirm whether your truck is included.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 21V601PACCAR Incorporated
Component
FUEL SYSTEM, DIESEL:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
Problem
PACCAR Incorporated (PACCAR) is recalling certain 2021-2022 Peterbilt 536, 537, 548 and Kenworth T270, T280, T370, T380, T440, T470, and T480 vehicles equipped with Cummins L9 diesel engines. A fuel leak may occur from the fuel hose between the fuel pump and the remote fuel filter head.
Risk
A fuel leak in the presence of an ignition source increases the risk of a fire.
Remedy
Cummins will replace the fuel hoses, free of charge. Owner notification letters are expected to be mailed in October 2021. Owners may contact PACCAR's customer service at 1-425-828-5888 (Kenworth) and 1-940-591-4220 (Peterbilt). PACCAR's numbers for this recall are 21PBG and 21KWF.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Affected vehicles

Kenworth T27020212022
Kenworth T28020212022
Kenworth T37020212022
Kenworth T38020212022
Kenworth T44020212022
Kenworth T47020212022
Kenworth T48020212022
Peterbilt 53620212022
Peterbilt 53720212022
Peterbilt 54820212022