2021 Peterbilt 337 recalls
2 NHTSA recall campaigns naming the 2021 Peterbilt 337. Last verified Jul 30, 2026. Recalls may apply only to certain VIN ranges — always confirm with a VIN check.
Units are totals reported across campaigns mentioning this model — NHTSA does not always break unit counts down by model.
Affected components
Nearby model years
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Campaigns
- Dec 9, 2024Crash risk2024–2025 Kenworth C500B, 2023–2025 Kenworth T280, 2022–2023 Kenworth T370 and 20 other models — Service Brakes, Hydraulic
PACCAR Incorporated (PACCAR) is recalling certain 2021-2025 Peterbilt and Kenworth vehicles, equipped with Bendix EC80 Advanced Electronic Control Units (ECU). Please see the recall report for a complete list of models. Electrical noise and low signal to the power line carrier may cause the ECU to incorrectly process commands or stop functioning.
24V915000 · 221K units · PACCAR Incorporated
- May 26, 2021Fire risk2018–2021 Kenworth T270, 2018–2021 Kenworth T370, 2018–2021 Kenworth T440 and 10 other models — Fuel System, Diesel
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.
21V391000 · 612 units · PACCAR Incorporated