KENWORTH,PETERBILT 2018-2021: FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL

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 ma…

Recall #: 21V391000

Compiled from official public sources by the publisher. · Updated September 2026

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Kenworth,Peterbilt recalled PACCAR Incorporated (PACCAR) is recalling certain 2018-2021 Peterbilt 337, 348, 365, 367,….

KENWORTH,PETERBILT 2018-2021: FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL was recalled by Kenworth,Peterbilt in May 26, 2021. Reason: PACCAR Incorporated (PACCAR) is recalling certain 2018-2021 Peterbilt 337, 348, 365, 367, 520, 567, Kenworth …. Remedy: Dealers will inspect the rail threads and fuel lines, and replace the rail as necessary, …. Verify recall #21V391000 with the NHTSA before acting.

The recall

Kenworth,Peterbilt issued this NHTSA recall-PACCAR Incorporated (PACCAR) is recalling certain 2018-2021 Peterbilt 337, 348, 365, 367, 520, 567, Kenworth ….

None
agency class: May 26, 2021
reported

Sourced from official NHTSA enforcement records. Verify recall #21V391000 with the agency before acting. Full product description, hazard, remedy, and related recalls are below.

Recall Insight

The number of affected units is not disclosed in the agency filing, which is common for drug and food recalls where lot-level tracking supersedes unit counts. Distribution scope (see Distribution below) directly affects the consumer exposure window and determines whether a recall remains regional or escalates into a nationwide advisory. Consumers holding this product should act on the agency's documented remedy above rather than relying on general guidance.

Within the same product category the archive holds 6 closely related recalls, 3 from NHTSA - clustering in a narrow category often points to a systemic quality-control or supplier issue rather than a one-off defect. Always verify the recall number against the official agency record before acting.

Product description

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.

Reason for recall

Hazard

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

Remedy, what to do

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.

Recall Profile

Structured summary of the NHTSA recall record
Attribute	Value
Agency	National Highway Traffic Safety Administration
Severity class	Not classified by agency
Status	Active
Recall number	21V391000
Date reported	May 26, 2021
Date initiated	May 26, 2021
Recalling firm	Kenworth,Peterbilt
Affected scope	Not disclosed
Distribution	United States
Official source	NHTSA notice →

Profile values are sourced directly from the official NHTSA enforcement record. Source: National Highway Traffic Safety Administration.

What to do with this recall

Dealers will inspect the rail threads and fuel lines, and replace the rail as necessary, free of charge. Owners may contact PACC…

Check the recall number (21V391000) and product description against the item you own. Search the archive
Confirm the current status and remedy on the official NHTSA notice before acting. NHTSA notice
Follow the documented remedy (refund, replacement, repair, or disposal) rather than general advice. What to do next

This page summarizes the official NHTSA record for research and awareness; it is not legal, medical, or safety advice. Verify with the issuing agency before acting.

Frequently Asked Questions

What product was recalled? ▼

Why was this product recalled? ▼

What should consumers do? ▼

Which agency issued this recall? ▼

This recall was issued by the NHTSA on May 26, 2021. NHTSA does not publish a hazard classification for this recall. Recall number: 21V391000.

Where was the recalled product distributed? ▼

Distribution: United States.

How do I report an injury from a recalled product? ▼

Report injuries to the issuing agency: CPSC at SaferProducts.gov, NHTSA at nhtsa.gov/report-a-safety-problem, or FDA via MedWatch. Document the product (photos, model/serial numbers, purchase receipts) and seek medical attention. Injury reports help agencies track hazard patterns and may strengthen enforcement actions.

Nationwide recalls with similar severity or category timing

Vehicle and equipment notices outside this manufacturer and filing state, matched by archive severity grade and report timing.

Similar severity · nearest report date

Same archive severity grade, closest by report date among other firms and states.

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This recall: NHTSA, reported May 26, 2021. Severity classes follow each agency's own taxonomy; related-recall context is computed across the full archive.

Methodology · Corrections · Archive as of August 2026