NHTSA campaign 21V328000 · Manufacturer campaign 21PBE

Peterbilt Recall 21V-328: Spring Brake Chamber Assembled Incorrectly

NHTSA recall 21V328000 (Manufacturer campaign 21PBE) was reported by PACCAR Incorporated on May 10, 2021, with 13 vehicles potentially affected (per NHTSA). NHTSA's record lists the Peterbilt 348 and Peterbilt 579 for the 2021 model year. Owners were notified on July 9, 2021, per NHTSA.

Updated daily from NHTSA's recall files

Is my vehicle included?

This page lists, by model year, the vehicles NHTSA's recall record names for campaign 21V328000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.

To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.

Free VIN check: decode a VIN to see its year, make and model.

Key facts

NHTSA campaign
21V328000 (also written 21V-328 or 21V328)
Filed by
PACCAR Incorporated
Manufacturer campaign number
21PBE
Report received
Potentially affected
13 vehicles (per NHTSA)
Component
Service Brakes, Air — Disc — Chamber
Owners notified

Repair completion: 92.31% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)

NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.

Vehicles listed for this recall

NHTSA's recall record lists these vehicles for recall 21V328000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.

Peterbilt

All Peterbilt recalls

NHTSA's recall notice

As NHTSA's recall record states it for campaign 21V328000.

Defect description

PACCAR Incorporated (PACCAR) is recalling certain 2021 Peterbilt 348 and 579 vehicles. The spring brake chamber may have been assembled with incorrect springs that were out of specification, which may cause the pressure plate to shift.

Safety consequence

The pressure plate may tear the diaphragm, causing a loss of air pressure and increasing the risk of a crash.

Manufacturer remedy

Dealers will replace brake chambers, free of charge. Owner notification letters were mailed on July 9, 2021. Owners may contact PACCAR (Peterbilt) customer service at 1-940-591-4220. PACCAR's number for this recall is 21PBE.

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Sources

Official NHTSA notice for recall 21V328000

Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.