Navistar 2021 International Vehicles: Unintended Brake Application Risk
Navistar recalls 2021 International trucks with Bendix pressure switches due to potential brake failure. Owners must have SC-3 check valves replaced free by dealers.
Use caution until it’s fixed
Unintended spring brake application may occur, increasing the risk of a crash.
Contact the company
What happened, in plain English
Navistar is recalling certain 2021 International trucks that may experience unintended brake application, increasing crash risk. Affected vehicles need free replacement of SC-3 check valves to prevent brake failure. Read more at govinfonow.com/recall/80481-navistar-2021-international-vehicles-unintended-brake-application-risk.
Source Summary by GovInfoNow · govinfonow.com/recall/80481-navistar-2021-international-vehicles-unintended-brake-application-risk · Updated October 4, 2026 · Official notice: NHTSA #21V227000
Cite this page
“Navistar 2021 International Vehicles: Unintended Brake Application Risk.” GovInfoNow, updated October 4, 2026. https://govinfonow.com/recall/80481-navistar-2021-international-vehicles-unintended-brake-application-risk. Based on NHTSA recall #21V227000 (https://www.nhtsa.gov/recalls?nhtsaId=21V227000).
Why it’s dangerous
A retainer in the SC-3 check valve wasn't properly seated, causing air isolation failure when pressure is applied. This can lead to unintended brake activation, increasing crash risk.
Who’s affected
Owners of 2021 International LT, RH, MV, and HV vehicles with Bendix pressure switches are affected. Drivers using these vehicles without the fix face higher crash risk.
How to tell if you have this one
Check if your 2021 International truck has Bendix pressure switches. The recall covers specific models: LT, RH, MV, and HV.
- Brand
Navistar- Category
Vehicle
What to do — step by step
Contact Navistar Customer Service
Call 1-800-448-7825 to confirm your vehicle is affected and schedule a replacement.
Get SC-3 Check Valve Replacement
Dealers will replace the SC-3 check valves free of charge to prevent unintended brake activation.
What NHTSA says to do
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.
How this recall unfolded
Recall timeline
Owners were mailed letters 5 months after NHTSA received the defect report.
- NHTSA received the defect report
- Owner letters mailed
Dates from the agency record only; steps without a date are left out.
Contact Navistar
We’ve drafted a message you can send Navistar to request your refund or repair — edit it as you like.
Subject: Recall 21V227000 — Navistar 2021 International Vehicles: Unintended Brake Application Risk Hello, I own a Navistar 2021 International Vehicles: Unintended Brake Application Risk that is covered by recall 21V227000 from Navistar. The official recall notice states: 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. I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this? Thank you.
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Where this comes from
The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
- Official source: NHTSA Recall #21V227000 (January 4, 2021)
- Plain-language summary written by qwen3:4b on October 4, 2026, from the official record above. Not reviewed by a person — if it conflicts with the NHTSA notice, the notice is correct. Report an error on this page.
- GovInfoNow is an independent service and is not a government agency. We republish official NHTSA recall data; we don’t issue, amend or administer recalls.