NHTSA campaign 21V227000 · Manufacturer campaign 21503

International Recall 21V-227: Retainer Not Properly Seated/FMVSS 121

NHTSA recall 21V227000 (Manufacturer campaign 21503) was reported by Navistar, Inc. on April 1, 2021, with 845 vehicles potentially affected (per NHTSA). NHTSA's record lists the International HV, International LT, International MV and more for the 2021 model year. Owners were notified on May 28, 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 21V227000 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
21V227000 (also written 21V-227 or 21V227)
Filed by
Navistar, Inc.
Manufacturer campaign number
21503
Report received
Potentially affected
845 vehicles (per NHTSA)
Component
Service Brakes, Air
Owners notified
Safety standard
FMVSS 121

Repair completion: 87.69% (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 21V227000. 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.

International

  • International HV

  • International LT

  • International MV

  • International RH

All International recalls

NHTSA's recall notice

As NHTSA's recall record states it for campaign 21V227000.

Defect description

Navistar, Inc. (Navistar) is recalling certain 2021 International LT, RH, MV, and HV vehicles equipped with Bendix pressure switches. A retainer was not properly seated in the SC-3 single check valve and may not provide source air isolation when pressure is applied. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."

Safety consequence

Unintended spring brake application may occur, increasing the risk of a crash.

Manufacturer remedy

Navistar will notify owners, and dealers will replace the SC-3 check valves, free of charge. Owner notification letters were mailed on May 28, 2021. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 21503.

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 21V227000

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.