{
  "owners": null,
  "title": "Mazda recall 21V101 (4721B): 2021 Mazda3 and CX-30",
  "url": "https://carsmultiverse.com/recall/21v101/",
  "summary": "Recall 21V101 (Mazda): A sudden air leak from the tire air valve may cause a loss of vehicle control while driving, increasing the risk of a crash.",
  "excerpt": "Mazda Cx-30, Mazda Mazda3, model year 2021. Filed by Mazda North American Operations and reported to NHTSA on 22 February 2021. 599 vehicles potentially affected. What the notice says Mazda North American Operations (Mazda) is recalling certain 2021 Mazda3 and CX-30 vehicles. Air may suddenly leak from the tire air valve. Is your vehicle included? Check with your VIN at NHTSA , or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on. CarsMultiverse / Recalls Mazda's own number for this recall: 4721B. That is the number on the owner letter and on the dealer paperwork. 21V101 is the number NHTSA gave the same campaign, and the number this page is filed under. They are one recall, written two ways. Answered from the register this site holds. NHTSA is the record to act on. What the authority says can happen if this is not 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.” 21V101 Mazda North American Operations Tires:Valve 22 February 2021 2021-2021 MAZDA CX-30, MAZDA MAZDA3 A sudden air leak from the tire air valve may cause a loss of vehicle control while driving, increasing the risk of a crash. 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 c",
  "register": {
    "authority": "NHTSA",
    "country": "United States",
    "index": "https://carsmultiverse.com/changed/"
  },
  "datePublished": "2026-08-23T21:39:35+00:00",
  "dateModified": "2026-08-23T21:39:35+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"Mazda recall 21V101 (4721B): 2021 Mazda3 and CX-30\", https://carsmultiverse.com/recall/21v101/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}