- (214) 717-6398
- info@dfwkeys4cars.com
- Mon - Fri: 9:00 - 18:30
Mazda B-Series Key Replacement
Mazda B-Series keys date back to 2001 and span 1 key system across the model’s generations — transponder / remote-head (ford-based). DFW Keys 4 Cars cuts and programs every one of them at your location anywhere in Dallas–Fort Worth, 24/7 — spares, all-keys-lost, fobs and lockouts. Call (214) 717-6398.
About B-Series Keys
Verified key reference for the Mazda B-Series — model years, key types, and the transponder/immobilizer each generation uses. Boundary years can overlap; we confirm the exact part by VIN before dispatching.
| Model / Generation | Years | Key Type | Transponder / Immobilizer | Blade / FCC |
|---|---|---|---|---|
| B-Series (B2300/B3000/B4000) | 2001–2009 | Transponder / remote-head (Ford-based) | Texas 4D63 80-bit | H72 / H92 (Ford keyway) |
Security System & Immobilizer
Mazda’s Ford-era cars share 4D63 PATS-style chips; later models moved to their own flip keys and proximity fobs.
On the B-Series specifically we see: Texas 4D63 80-bit. A correctly cut but unprogrammed key turns the locks and never starts the engine — programming is the half of the job that matters.
Which key does your year have?
- 2001–2009: Transponder / remote-head (Ford-based) — Texas 4D63 80-bit (H72 / H92 (Ford keyway))
Our B-Series Key Services
- Key replacement — lost, stolen or broken keys cut from code and programmed on-site, including all-keys-lost by VIN
- Spare key duplication — cheap insurance done in one short visit
- Fob & transponder programming — remotes and smart keys paired to the immobilizer
- Lockout service — damage-free entry, 24/7
- Ignition repair — worn cylinders and keys that won’t turn
Mazda B-Series Key FAQ
I lost the only key to my B-Series. What now?
We come to the vehicle, verify ownership, cut a new key from the VIN, and program it on-site — no tow, no dealer wait.
Will a hardware-store copy start my B-Series?
On transponder-era cars it opens doors and nothing else — the chip must be programmed to the immobilizer, which is what we do curbside.
How fast can you reach my B-Series in DFW?
We dispatch the nearest mobile unit metroplex-wide, 24/7 — call (214) 717-6398 for an honest ETA.