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Infiniti QX4 Key Replacement

Infiniti QX4 keys date back to 1999 and span 1 key system across the model’s generations — transponder ignition key. 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 QX4 Keys

Verified key reference for the Infiniti QX4 — 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
QX41999–2003Transponder ignition keyTexas 4D60NSN14 (DA34)

Security System & Immobilizer

Infiniti runs Nissan’s NATS immobilizer and standardized Intelligent Key proximity fobs early.

On the QX4 specifically we see: Texas 4D60. 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?

  • 1999–2003: Transponder ignition key — Texas 4D60 (NSN14 (DA34))

Our QX4 Key Services


Infiniti QX4 Key FAQ

I lost the only key to my QX4. 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 QX4?

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 QX4 in DFW?

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