NHTSA campaign 21V744000 · Mazda campaign 5121I
Mazda Recall 21V-744: Fuel May Leak From Fuel Pump Mounting Rings
NHTSA recall 21V744000 (Mazda campaign 5121I) was reported by Mazda North American Operations on September 24, 2021, with 13,891 vehicles potentially affected (per NHTSA). NHTSA's record lists the Mazda RX-8 and Mazda MAZDASPEED6 for model years 2006–2007, 2009–2011. Owners were notified on November 17, 2021, per NHTSA.
Updated daily from NHTSA's recall files
Is my vehicle included?
This page lists, by model year, the vehicles NHTSA's recall record names for campaign 21V744000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.
To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.
Mazda VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 21V744000 (also written 21V-744 or 21V744)
- Filed by
- Mazda North American Operations
- Mazda campaign number
- 5121I
- Report received
- Potentially affected
- 13,891 vehicles (per NHTSA)
- Component
- Fuel System, Gasoline — Delivery — Fuel Pump
- Owners notified
Repair completion: 23.55% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.
Vehicles listed for this recall
NHTSA's recall record lists these vehicles for recall 21V744000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.
NHTSA's recall notice
As NHTSA's recall record states it for campaign 21V744000.
Defect description
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.
Safety consequence
A fuel leak in the presence of an ignition source increases the risk of a fire.
Manufacturer remedy
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.
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.nhtsa.gov.
Sources
Official NHTSA notice for recall 21V744000
Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.