# NHTSA recall 21V101000

A recall listed here may apply to a vehicle of this year, make and model. Only the manufacturer can say whether it applies to one vehicle: check the VIN with the official lookups.

- Published by: NHTSA \(United States\)
- Campaign number: 21V101000
- Manufacturer's number: 4721B
- Manufacturer: Mazda North American Operations
- Reported: 2021\-02\-22
- Owners notified: 2021\-04\-06
- Component: TIRES:VALVE
- Units potentially affected: 599
- Part numbers: BDGF\-37140

## What is wrong

Mazda North American Operations \(Mazda\) is recalling certain 2021 Mazda3 and CX\-30 vehicles.  Air may suddenly leak from the tire air valve.


## What can happen

A sudden air leak from the tire air valve may cause a loss of vehicle control while driving, increasing the risk of a crash.


## The remedy

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.


## 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.


## Remedy progress the manufacturer reported

- Report: Annual report 3, for 2025 quarter 2 to 2026 quarter 1
- Filed with NHTSA: 2026\-04\-20
- Vehicles in the campaign: 599
- Reported remedied: 579 \(96%\)
- Reported unreachable: 0
- Reported removed: 0

These are the manufacturer's totals for the whole campaign at the end of 2026 quarter 1, as filed with NHTSA. They do not say whether one vehicle has been remedied: check the VIN with the official lookups. The reports are from data as of 2026\-10\-19.

## Vehicles this campaign lists

- [2021 MAZDA CX\-30](/makes/mazda/cx-30/2021/recalls.md)
- [2021 MAZDA MAZDA3](/makes/mazda/mazda3/2021/recalls.md)

## Bulletins for the same vehicles and component

A bulletin is the manufacturer's note to its dealers. It is not part of this recall.

- [SA\-011\-24](/bulletins/10251387.md), 2024-03-06, Service bulletin
- [SA\-008\-23a](/bulletins/10238680.md), 2023-07-05, Service bulletin
- [SA\-012\-22](/bulletins/10209755.md), 2022-04-06, Service bulletin
- [01\-012\-21\-3832](/bulletins/10202685.md), 2021-10-31, Service bulletin
- [SA\-013\-20e](/bulletins/10185061.md), 2021-01-05, Service bulletin

## Check a VIN

- [NHTSA recall lookup by VIN, United States](https://www.nhtsa.gov/recalls)
- [Transport Canada recall search, Canada](https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng)

JSON: [/v1/recalls/nhtsa/21V101000](/v1/recalls/nhtsa/21V101000)

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