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Mazda RX-8 Key Replacement

Mazda RX-8 keys date back to 2003 and span 2 key systems across the model’s generations — transponder (mechanical key); texas crypto 4d+ 80bit / id63-6f. 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 RX-8 Keys

Verified key reference for the Mazda RX-8 — 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 / GenerationYearsKey TypeTransponder / ImmobilizerBlade / FCC
RX-82003–2012Transponder (mechanical key)Texas 4D63 80-bit (ID63)MAZ24R (laser)
RX-82003-2012Texas Crypto 4D+ 80bit / ID63-6FTiris DST+ (DST80)

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 RX-8 specifically we see: Texas 4D63 80-bit (ID63), Tiris DST+ (DST80). 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?

  • 2003–2012: Transponder (mechanical key) — Texas 4D63 80-bit (ID63) (MAZ24R (laser))
  • 2003-2012: Texas Crypto 4D+ 80bit / ID63-6F — Tiris DST+ (DST80)

Our RX-8 Key Services


Mazda RX-8 Key FAQ

I lost the only key to my RX-8. 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 RX-8?

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 RX-8 in DFW?

We dispatch the nearest mobile unit metroplex-wide, 24/7 — call (214) 717-6398 for an honest ETA.