2018 Peterbilt 337: recalls and complaints

NHTSA lists 4 recall campaigns for the 2018 Peterbilt 337. The newest campaign is 22V277000. NHTSA received the report on 25 Apr 2022. The NHTSA record gives the component Steering / Critical Fasteners. NHTSA has no complaint on file for this model year. 2 NHTSA investigations name this model year.

The NHTSA recall file shows no do-not-drive advisory and no park-outside advisory on these campaigns.

This page cannot show if a recall applies to one vehicle. The NHTSA VIN lookup shows the unrepaired recalls of one vehicle.

Remedy of the newest campaign, 22V277000, in the NHTSA record

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.

NHTSA VIN lookup

Complaint information entered into NHTSA’s Office of Defects Investigation vehicle owner's complaint database is used with other data sources to identify safety issues that warrant investigation and to determine if a safety-related defect trend exists.
NHTSA publishes these words. Source: NHTSA Datasets and APIs, section Complaints, read on 1 Oct 2026. Complaint file through 15 May 2019. Recall file through 29 Sep 2026.

Since the last update

No tracked figure of this page changed in a data update. What the log tracks

All updates to the register

Recall campaigns

4 campaigns, newest first. 504,324 units in total.

22V27700025 Apr 2022Steering / Critical Fasteners
21V39100026 May 2021Fuel System, Diesel / Fuel Injection System / Fuel Rail
20V1990006 Apr 2020Electronic Stability Control (ESC)
18V93100021 Dec 2018Power Train / Clutch Assembly

22V277000Received 25 Apr 2022. 17,641 units.
Steering / Critical Fasteners
Defect, in the NHTSA record
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, in the NHTSA record
Fastener failure can result in a loss of steering control, increasing the risk of a crash or injury.
Remedy, in the NHTSA record
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.
Report filed by PACCAR Incorporated. Manufacturer campaign number 22 PBB and 22 KWB. Owner notification date in the NHTSA record: 8 Nov 2022.
21V391000Received 26 May 2021. 612 units.
Fuel System, Diesel / Fuel Injection System / Fuel Rail
Defect, in the NHTSA record
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, in the NHTSA record
A fuel leak in the presence of an ignition source increases the risk of a fire.
Remedy, in the NHTSA record
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.
Report filed by PACCAR Incorporated. Manufacturer campaign number 21KWC, 21PBD. Owner notification date in the NHTSA record: 30 Jul 2021.
20V199000Received 6 Apr 2020. 460,515 units.
Electronic Stability Control (ESC)
Defect, in the NHTSA record
PACCAR Incorporated (PACCAR) is recalling certain 2008-2019 Peterbilt 330, 335, 337, 340, 348, 365, 367, 384, 386, 387, 388, 389, 567, 579 and 587 vehicles and 2008-2020 Kenworth T170, T270, T370, T660, T680, T800, T880, and W900 vehicles equipped with NAMUX Software. In the event that the Anti-lock Brake System (ABS) loses battery and/or ignition power to the controller, the dash warning light for the ABS may not illuminate to warn the driver of the loss of ABS. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems," and 136, "Electronic Stability Control System on Heavy Vehicles."
Consequence, in the NHTSA record
If the driver unknowingly operates the vehicle without the ABS functioning, there would be an increased risk of a crash.
Remedy, in the NHTSA record
PACCAR will notify owners, and dealers will update the NAMUX software within the cab control module, free of charge. PACCAR issued owners an interim notification on June 4, 2020. The recall began May 26, 2020. Owners may contact Kenworth customer service at 1-425-828-5888 or Peterbilt customer service at 1-940-591-4220. PACCAR's number for this recall is 20pbc AND 20KWB.
Report filed by PACCAR Incorporated. Manufacturer campaign number 20pbc AND 20KWB. Owner notification date in the NHTSA record: 26 May 2020.
18V931000Received 21 Dec 2018. 25,556 units.
Power Train / Clutch Assembly
Defect, in the NHTSA record
PACCAR Incorporated (PACCAR) is recalling certain 2018-2019 Peterbilt 337, 348, 365, 367, 389, 567, 579 and 587 trucks and 2018-2019 Kenworth C500, T270, T370, T440, T660, T680, T800, T880 and W900 trucks equipped with automated manual transmissions. An internal component in the clutch assembly may fail, possibly resulting in unintended vehicle movement.
Consequence, in the NHTSA record
Unintended movement of a vehicle can increase the risk of a crash.
Remedy, in the NHTSA record
PACCAR will notify owners, and dealers will update the transmission control module, free of charge. The recall began February 23, 2019. Owners may contact PACCAR customer service at 1-940-591-4220. PACCAR's numbers for this recall are 18PBE and 18KWH.
Report filed by PACCAR Incorporated. Manufacturer campaign number 18PBE; 18KWH. Owner notification date in the NHTSA record: 23 Feb 2019.

The campaign number opens the NHTSA record. Each quotation is the text of the NHTSA recall file.

Recall campaign: One recall in the NHTSA recall file, with one campaign number. A campaign can name many makes, models and model years.

Units: The number of vehicles or products that a recall can include. The manufacturer or the firm reports the number to the agency.

Complaints by component

The NHTSA complaint file has no complaint for this model year.

Investigations

NHTSA investigations that name the 2018 Peterbilt 337
Number	Type	Subject	Component	Opened	Closed	Campaign
PE20015	Preliminary evaluation	Quarter Fender Failures	Structure / Frame and Members / Underbody Shields	21 Sep 2020	14 Oct 2021
PE20006	Preliminary evaluation	Intermittent Loss of Power Steering Assist	Steering / Gear Box (Other Than Rack and Pinion)	1 May 2020	27 Mar 2024

Investigation: A study of a possible safety defect by the NHTSA Office of Defects Investigation. An investigation with no closing date in the NHTSA file is open.

Other model years

The number under each year is the number of recall campaigns.

A year without a link has fewer than 2 campaigns and fewer than 25 complaints. It has no page.

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Official channels

NHTSA VIN lookupNHTSA shows the unrepaired recalls of one vehicle from its VIN or its license plate.
NHTSA: report a safety problemThe NHTSA form for a complaint about a vehicle, a tire, a child seat or equipment.
NHTSA page of the 2018 Peterbilt 337The recalls, the complaints and the investigations that NHTSA shows for this model year.

Cite this page

Recall Register. 2018 Peterbilt 337: recalls and complaints. https://recallregister.com/vehicle/peterbilt/337/2018/. Source: NHTSA Office of Defects Investigation, recall, complaint and investigation files. Data through 29 Sep 2026.

Sources

Source: NHTSA Office of Defects Investigation
Licence: US government work, public domain
Recall file through: 29 Sep 2026
Complaint file through: 15 May 2019
First complaint in the file: 1 Jan 1995
Manufacturer in the recall file: PACCAR Incorporated

The NHTSA record is the authority. A complaint count is the number of different complaint numbers for the make, the model and the model year. How the register is made. Report an error.

Questions

How many units are in the recall campaigns for the 2018 Peterbilt 337?: 504,324 units in 4 campaigns. A campaign can name other models and model years, and its units include them.
How many recall campaigns does the Peterbilt 337 have for all model years?: NHTSA lists 22 recall campaigns for the Peterbilt 337, model years 2008 to 2023. 4 of them name the 2018 model year.
Is an NHTSA investigation of the 2018 Peterbilt 337 open?: No. Each of the 2 investigations that name this model year has a closing date in the NHTSA file.