MAZDA MAZDA3 (2021) recall — Tires
Mazda recalls 2021 Mazda3 vehicles with potential sudden tire air valve leaks that could cause loss of vehicle control. Owners must have air valves replaced free by dealers.
Use caution until it’s fixed
A sudden air leak from the tire air valve may cause a loss of vehicle control while driving, increasing the risk of a crash.
Contact the company & request your remedy
What happened, in plain English
Mazda is recalling 2021 Mazda3 vehicles due to a risk of sudden air leaks from tire valves that could cause loss of vehicle control. This hazard requires immediate attention to prevent crashes. Read more at govinfonow.com/recall/80571-mazda-2021-mazda3-tires-recall-sudden-air-leak-risk.
Source Summary by GovInfoNow · govinfonow.com/recall/80571-mazda-2021-mazda3-tires-recall-sudden-air-leak-risk · Updated October 4, 2026 · Official notice: NHTSA #21V101000
Cite this page
“Mazda 2021 Mazda3 Tires Recall: Sudden Air Leak Risk.” GovInfoNow, updated October 4, 2026. https://govinfonow.com/recall/80571-mazda-2021-mazda3-tires-recall-sudden-air-leak-risk. Based on NHTSA recall #21V101000 (https://www.nhtsa.gov/recalls?nhtsaId=21V101000).
Why it’s dangerous
The tire air valve can leak air suddenly while driving, causing the vehicle to lose control. This could lead to a crash if the leak occurs during normal driving conditions.
Who’s affected
Owners of 2021 Mazda3 vehicles are affected. Drivers using these vehicles with the faulty tire valves face the highest risk.
How to tell if you have this one
Check if your 2021 Mazda3 has a tire air valve that leaks air unexpectedly. The recall covers all 2021 Mazda3 vehicles.
- Brand
Mazda- Category
Vehicle
What to do — step by step
Contact Mazda Customer Service
Call 1-800-222-5500 Option 4 to confirm your vehicle is affected and schedule a valve replacement.
Get Air Valves Replaced
Dealers will replace all four tire air valves with new parts at no cost once the recall is confirmed.
What NHTSA says to do
Mazda will notify owners, and dealers will replace all four tire air valves with new parts, free of charge. The recall began April 6, 2021. Owners may contact Mazda customer service at 1-800-222-5500 Option 4. Mazda's number for this recall is 4721B.
Questions people ask
Why is this recall happening?
The recall is due to a potential sudden air leak from the tire air valve that could cause loss of vehicle control while driving.
How can I tell if my vehicle is affected?
All 2021 Mazda3 vehicles are affected by this recall. Check if your tire air valve leaks air unexpectedly.
What should I do if I have the affected vehicle?
Contact Mazda customer service at 1-800-222-5500 Option 4 to schedule a free tire valve replacement at a dealer.
Contact Mazda
We’ve drafted a message you can send Mazda to request your refund or repair — edit it as you like.
Subject: Recall 21V101000 — Mazda Mazda Hello, I own a Mazda that is covered by recall 21V101000 from Mazda. The official recall notice states: Mazda will notify owners, and dealers will replace all four tire air valves with new parts, free of charge. The recall began April 6, 2021. Owners may contact Mazda customer service at 1-800-222-5500 Option 4. Mazda's number for this recall is 4721B. 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 #21V101000 (February 22, 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.