2021 Peterbilt 537 Problems: 0 Complaints, 3 Recalls

The worst 2021 Peterbilt 537 problems

Ranked by number of owner complaints. Mileage and cost come from what owners wrote.

Tap a problem to see which part fails, at what mileage and in which other years.

Power train: automatic transmission: lever and linkage: column shiftReported March 20, 2024 · 70,509 vehicles affected

What is wrong: PACCAR Incorporated (PACCAR) is recalling certain 2021-2024 Peterbilt 365, 367, 389, 535, 536, 537, 548, 567, 579, and 2021-2025 Kenworth T180, T280, T380, T480, T680, T880 and W990 trucks. The right-hand gear shifter stalk connectors may have been improperly crimped, resulting in a loss of communication.
Risk: A loss of communication between the gear shifter and the transmission may result in the vehicle becoming disabled after coming to a stop, increasing the risk of a crash.
Remedy: Dealers will inspect and replace the gear shifter assembly as necessary, free of charge. Owner letters were mailed December 15, 2025, then phased after that. Owners may contact Kenworth customer service at 1‑425‑828‑5888 or Peterbilt customer service at 1‑940‑591‑4220. PACCAR's numbers for this recall are 24PBE and 24KWE.

Recall number 24V190000 · Recall details

Service brakes, airReported February 15, 2023 · 8,008 vehicles affected

What is wrong: PACCAR Incorporated (PACCAR) is recalling certain 2021-2024 Kenworth T280, T380, T480, Peterbilt 536, 537, and 548 vehicles. When the brake pedal is fully applied and then released rapidly, the pedal plunger that connects the brake pedal to the brake valve may become disconnected, causing the service brakes to fail.
Risk: Service brake failure can increase the risk of a crash.
Remedy: Dealers will add a pedal restraint bracket, free of charge. Owner notification letters were mailed April 7, 2023. Owners may contact Kenworth's customer service at 1-425-828-588 and Peterbilt's customer service at 1‑940‑591‑4220. PACCAR's numbers for this recall are 23KWB and 23PBB.

Recall number 23V087000 · Recall details

Fuel system, diesel: delivery: hoses, lines/piping, and fittingsReported August 3, 2021 · 688 vehicles affected

What is wrong: 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.

Recall number 21V601000 · Recall details

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

Used buying checklistWhat to check on a 2021 Peterbilt 537 before you buy

Is the 2021 Peterbilt 537 reliable?

Owners have filed 0 complaints about the 2021 Peterbilt 537.

What is the most common problem with the 2021 Peterbilt 537?

There are not enough complaints to tell.

How many recalls does the 2021 Peterbilt 537 have?

3 recalls, covering power train, service brakes, air and fuel system, diesel.

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