Infiniti FX37 Key Replacement & Programming in Jacksonville
Spare keys from $325. All-keys-lost from $450. Mobile, on-site, same-day service across the First Coast.
Spare or Additional FX37 Key
Dealer Price
$520 – $770
Our Price
from$325
When you still have a working key.
Lost All FX37 Keys?
Dealer Price
$720 – $1,145
Our Price
from$450
When every key is lost or stolen.
Final price depends on your specific FX37 year and trim — call us for an exact quote.
✓ Verified key supply for Infiniti
Infiniti key blanks are stocked in our supplier catalog — no special-order delay.
Key Specifications — Infiniti FX37
| Parameter | Value |
|---|---|
| Transponder Chip | Hitag AES / PCF7952 |
| FCC ID | KR5TXN7 / S180144304 |
| Key Blade | NSN14 |
| Frequency | 433 MHz |
| Immobilizer | NATS 6+ |
| Proximity / Smart Key | Yes (2006+) |
About Your 2026 Infiniti FX37
Infiniti is a Japan brand owned by Nissan Motor / Renault-Nissan-Mitsubishi Alliance. Their key system uses Nissan NATS with Transponder, Intelligent Key. Infiniti shares Nissan's NATS immobilizer platform but with premium features. Programming requires security access through the vehicle's BCM.
The 2026 Infiniti FX37 is a crossover SUV. Most FX37 keys of this generation use the Hitag AES / PCF7952 transponder chip, remotes under FCC ID KR5TXN7 / S180144304, the NSN14 key blade — exactly the hardware we cut and program on-site. We service this crossover SUV regularly across the Jacksonville area — programming is reliable and most spare-key jobs finish in 35–60 minutes on-site.
Your 2026 Infiniti FX37 is a modern-era vehicle and uses the latest revision of Infiniti's key security platform. Programming requires advanced equipment but is fully aftermarket-supported on-site — no dealer trip needed in most cases.
Immobilizer (NATS 6+): Nissan's NATS 6+ is the oldest modern immobilizer still in active use — it's been on Nissans since 1999 and is one of the easiest platforms to program.
In Jacksonville
We service Infiniti FX37 owners across all of Duval County — Jacksonville, Mandarin, Riverside, Southside, and the Beaches. Average response time across the metro is 20–30 minutes.
Ready to book your Infiniti FX37 key?