Kia K5 2025-2026 Smart Key 4-Button
4-button · 433 MHz · ID4A · For FCC ID TQ8-FOB-4F81U44 · Part 95440-L2550
⭐ The Kia K5 2025-2026 4-button smart key on part number 95440-L2550 is offered here as an aftermarket replacement, working at 433 MHz and carrying a HITAG AES, ID 4A (NCF29A1M) transponder. It ships with its emergency insert blade and is registered over OBD with a diagnostic tool. The same radio approval is fitted to 95440-L2500, so the part number, not the FCC ID, decides the order.
⚙️ Key features
4-button layout
4 buttons as fitted to the K5 proximity key, with push-button start.
433 MHz with ID4A
433 MHz transmitter paired with a HITAG AES, ID 4A (NCF29A1M) transponder for proximity entry and push-button start.
FCC ID is shared
Its radio approval is also used on 95440-L2500; the part number 95440-L2550 is the reference.
CR2450 coin cell
Runs on a user-replaceable CR2450 battery. The emergency blade slides out of the housing.
💎 Benefits
Blade already in the box
The emergency blade ships with the key, so no separate blade order holds up the job.
Margin on every job
A ready-to-program key for add-key and lost-key work at a predictable cost.
Every button working
The 4-button layout matches the car, so the customer keeps every remote function.
Fewer wrong orders
Ordering by part number 95440-L2550 avoids returns from look-alike keys.
👥 Who it's for
Automotive locksmiths
Add-key and all-keys-lost jobs on the Kia K5 with OBD key programmers.
Key shops and counter trade
Stock for walk-in spare key requests on the K5.
Dealers and garages
Replacement keys for used K5 stock and service customers.










