2020 Peterbilt 337 problems

Verdict · NHTSA data

Limited data — recalls on file

NHTSA has just 0 complaints on file for the 2020 Peterbilt 337 — too few to judge reliability from owner reports alone — but 3 recall campaigns apply to this year, so any used example should have its VIN checked for completed recall work.

NHTSA complaints

Recalls

Investigations

Crash-involved

Fires reported

Injuries

Deaths

—

NCAP overall

How does 2020 compare to other 337 years?

337 NHTSA complaints by model year, 2020 highlighted. Red bars are years to avoid.

See all 337 years to avoid →

Does the 2020 Peterbilt 337 have recalls?

3 NHTSA recall campaigns on file. Recall repairs are free at franchised dealers.

22V277000SteeringApril 25, 2022 · 17,641 units

Defect

PACCAR Incorporated (PACCAR) is recalling certain 2018-2020 Kenworth T270, T370, T440, T470, T660, T680, T880, T800, W900, W990; and 2018-2020 Peterbilt 330, 337, 348, 365, 367, 389, 520, 567, and 579 vehicles. The Dana D-Series axle steer arm fasteners that attach the steering arm to the steering knuckle may fail.

Consequence

Fastener failure can result in a loss of steering control, increasing the risk of a crash or injury.

Remedy

Dealers will replace and torque the steer arm fasteners, at no charge. Owner notification letters were mailed November 8, 2022. Owners may contact Kenworth customer service at 1-425-828-5888 and Peterbilt customer service at 1-940-591-4220. PACCAR's numbers for this recall are 22 PBB and 22 KWB.

21V391000Fuel SystemMay 26, 2021 · 612 units

Defect

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.

Consequence

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

Remedy

Dealers will inspect the rail threads and fuel lines, and replace the rail as necessary, free of charge. Owners may contact PACCAR customer service at 1-425-828-5888 (Kenworth) or 1-940-591-4220 (Peterbilt). PACCAR's numbers for this recall are 21KWC and 21PBD.

19V618000SteeringAugust 22, 2019 · 109 units

Defect

PACCAR Incorporated (PACCAR) is recalling certain 2019-2020 Peterbilt 337 and 348 vehicles. An incorrectly located weld in the steering shaft may crack and cause the lower shaft within the steering column to separate from the mating yoke.

Consequence

If the steering column separates from the mating yoke, loss of steering control can occur, increasing the risk of a crash.

Remedy

PACCAR has notified owners, and dealers will inspect and replace the steering column, if necessary, free of charge. The recall began August 30, 2019. Owners may contact PACCAR customer service at 1-940-591-422. PACCAR's number for this recall is 19PBD.

2020 Peterbilt 337 — common questions

Is the 2020 Peterbilt 337 reliable?

The record is thin — 0 NHTSA complaints — so owner-report data can't strongly confirm reliability either way, though 3 recalls should be verified as completed.

Does the 2020 Peterbilt 337 have recalls?

Yes — NHTSA lists 3 recall campaigns affecting the 2020 Peterbilt 337. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.

How does 2020 compare to other 337 years?

Does the 2020 Peterbilt 337 have recalls?

2020 Peterbilt 337 — common questions

Is the 2020 Peterbilt 337 reliable?

Does the 2020 Peterbilt 337 have recalls?

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