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Manufacturer recall number

Mazda recall 5121I

Mazda calls it 5121I. NHTSA filed it as campaign 21V744000 on Sep 24, 2021: fuel system, gasoline on the 2006–2011 Mazda MAZDASPEED6 and 1 other Mazda model, 13,891 vehicles potentially affected. One recall, two numbers — the dealer quotes the manufacturer’s, the federal record carries NHTSA’s.

What NHTSA has under this number

Source: 49 CFR Part 573 filings
NHTSA campaignVehiclesComponentFiledAffectedSeverity
21V7440002006–2011 Mazda MAZDASPEED6 and 1 other Mazda modelFuel System, GasolineSep 24, 202113,891critical
Problem Mazda North American Operations (Mazda) is recalling certain 2009-2011 RX-8 and 2006-2007 MazdaSpeed6 vehicles. Fuel may leak from the fuel pump mounting rings. Risk A fuel leak in the presence of an ignition source increases the risk of a fire. Fix Dealers will install new fuel pump mounting rings. Dealers will also add a thermal insulation pad to the fuel tank on RX-8 vehicles. Repairs will be performed free of charge. Owner notification letters were mailed November 17, 2021. Owners may contact Mazda customer service at 1-800-222-5500, Option 4. Mazda's number for this recall is 5121I.

The manufacturer’s own words as filed for 21V744000. Every model year it covers, the build window and the filed PDFs →

Two numbers, one recall

Every safety recall carries two identifiers. 5121I is the number Mazda assigned in its own system: it is what appears on the owner letter, on the dealer’s service screen and on the repair order. 21V744000 is the number NHTSA filed the same recall under when the manufacturer reported it, and it is the one every federal record, this site included, is keyed on.

The repair is free by federal law for vehicles up to fifteen years old. Whether one particular vehicle is included is settled by its VIN against the manufacturer’s build list, not by its model year.

Check one specific vehicle

Both lookups check a VIN against the manufacturer’s own list and say whether the repair is still outstanding on that vehicle.

Common questions

Source: NHTSA, 49 CFR Part 573

Is 5121I the same recall as 21V744000?

Yes. 5121I is Mazda’s own number for it; 21V744000 is NHTSA’s. One recall, two references.

Which vehicles does 5121I cover?

2006–2011 Mazda MAZDASPEED6 and 1 other Mazda model, 13,891 vehicles by the manufacturer’s count. A recall covers a build range, so the VIN decides whether one particular vehicle is in it.

Does the 5121I repair cost anything?

No. The manufacturer must remedy a safety defect at no charge for vehicles up to 15 years old from first sale.