The Recall Desk
Our severity:SevereNHTSA·26V567000·Announced 2026-09-01

Peterbilt Recalls 2027 548 Trucks Due to Brake Valve Size Issues

PACCAR is recalling 2027 Peterbilt 548 trucks because incorrect front brake valve and hose sizes may delay brake response, increasing crash risk.

What this means for you

Our assessment, not the agency’s: severity 4/5 (Severe).

The hazard poses a serious risk of illness, injury, or structural failure. Stop using the product immediately and contact the manufacturer for a refund or repair.

Our severity reasoning: The recall involves a structural vehicle defect in the braking system that increases the risk of a crash, meeting the criteria for a Severe rating.

Plain-English summary

PACCAR Incorporated is recalling certain 2027 Peterbilt 548 trucks. The recall addresses a defect where the front brake valve and hoses may be the incorrect size. This issue can delay the application and release of the rear service brakes, as well as the trailer gladhand application times. Consequently, these vehicles fail to comply with Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."

The delayed brake response time associated with this defect can increase the risk of a crash. The recall affects 58 units of the 2027 Peterbilt 548 model.

Dealers will replace the front brake valves and hoses free of charge. Owner notification letters are expected to be mailed on October 31, 2026. Owners may contact Peterbilt's customer service at 1-940-591-4220 for more information. PACCAR's number for this recall is 26PACF.

The recalled product

Product
PETERBILT 548
Brand
PETERBILT
Manufacturer
PACCAR Incorporated
Category
Vehicle — Truck
Hazard
Affected units
58

Is your product affected?

Check your packaging against the codes below. If any of them match, the product is part of this recall.

Model numbers (1)

  • 548

Distribution

Distributed nationwide across the United States.

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