Does the 2020 Western Star WJ121 have any recalls?

2 recalls found in NHTSA data as of September 22, 2026, covering: fuel system, diesel, electrical system. Recalls apply to the model and year; whether a particular vehicle is included, and whether it has been repaired, depends on its VIN.

How do I check if my 2020 Western Star WJ121 recall has been fixed?

Enter your 17-character VIN at nhtsa.gov/recalls, or ask a Western Star dealer. Recall repairs are free. NHTSA's VIN search doesn't list recalls that were already repaired.

How many complaints have owners filed about the 2020 Western Star WJ121?

0 complaints filed with NHTSA. Complaints are unverified reports from the public that NHTSA uses to decide what to investigate.

2020 Western Star WJ121 recalls

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

2 recalls found in NHTSA data as of September 22, 2026

For the 2020 Western Star WJ121. These apply to the model and year, not to one particular vehicle: check your VIN to see whether yours is included and whether it has been repaired.

Has your Western Star been repaired?

Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

Check your VIN with NHTSA

NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Western Star dealer can also check your VIN. Recall repairs are free.

2020 Western Star WJ121 recalls, newest first

December 13, 2021NHTSA 21V9650002,843 vehicles potentially affected

Fuel system, diesel › Fuel injection system › Fuel rail

Summary: Daimler Trucks North America, LLC (DTNA) is recalling certain 2020-2022 Western Star 4700, 2019-2022 Freightliner 114SD, 2021-2022 Western Star 49X, Freightliner Cascadia P4, 2022 Western Star 47X, 2021 Western Star WF110, 2020 Western Star WJ121, and 2019-2021 FCCC XCP Chassis vehicles. The fuel tubes between the fuel rail and the injectors for cylinders four, five, and six may fatigue and crack, which can result in a high pressure fuel leak.
Consequence: A high pressure fuel leak in the presence of an ignition source can increase the risk of a fire.
Remedy: Dealers will replace the fuel tubes, and install vibration isolators, free of charge. Owner notification letters were mailed January 28, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-915.

This recall on nhtsa.gov

June 25, 2021NHTSA 21V481000122,056 vehicles potentially affected

Electrical system › 12V/24V/48V battery › Cables

Summary: Daimler Trucks North America, LLC (DTNA) is recalling certain 2019-2022 Freightliner Cascadia P4, 2021 Western Star WH126, 2020 Western Star WJ121, and 2021-2022 Western Star 49X vehicles. The battery cable terminal may break, resulting in a loss of electrical power and unintended engine stall.
Consequence: An engine stall increases the risk of a crash.
Remedy: Dealers will repair or replace the battery cables, free of charge. Owner notification letters were mailed on January 7, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-893.

This recall on nhtsa.gov

Owner complaints

No owner complaints about the 2020 Western Star WJ121 were found in NHTSA’s complaint data.

Other Western Star WJ121 years

2020 (2)

Other 2020 Western Star models

Most recalled 2020 vehicles

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2020 Mercedes-Benz GLE 350 (27 recalls)

All of 2020’s most recalled vehicles

Questions

Does the 2020 Western Star WJ121 have any recalls?: 2 recalls found in NHTSA data as of September 22, 2026, covering: fuel system, diesel, electrical system. Recalls apply to the model and year; whether a particular vehicle is included, and whether it has been repaired, depends on its VIN.
How do I check if my 2020 Western Star WJ121 recall has been fixed?: Enter your 17-character VIN at nhtsa.gov/recalls, or ask a Western Star dealer. Recall repairs are free. NHTSA's VIN search doesn't list recalls that were already repaired.
How many complaints have owners filed about the 2020 Western Star WJ121?: 0 complaints filed with NHTSA. Complaints are unverified reports from the public that NHTSA uses to decide what to investigate.