Description
Honda Smart Key
2021–2024Replace your lost or damaged remote with this premium aftermarket 7-button proximity smart key, offering a reliable and cost-effective alternative to high dealership prices.
- Frequency: 433 MHz | Battery: CR2032 Lithium (Included).
- Features: Durable outer housing, premium circuitry, and un-cut HO01 blade.
- Setup: Requires professional programming by a locksmith or dealer.
Technical Specifications
| Key Type | Proximity Smart Key |
| Condition | Aftermarket |
| FCC ID | KR5T4X |
| IC Number | 7812D-T4X |
| Frequency | 433 MHz |
| Buttons | 7 Button (Lock, Unlock, Panic, Rear Hatch, Remote Start, Left Sliding Door, Right Sliding Door) |
| Part Number Cross-Reference | 72147-THR-A72 |
| Battery | CR2032 Lithium (Included) |
| Emergency Key | HO01 (Un-cut Blade) |
Vehicle Compatibility
- Honda Odyssey: 2021, 2022, 2023, 2024
Common Questions
How do I know if this is the correct key for my vehicle?
To confirm compatibility, match your original remote’s FCC ID, part number, button count, and frequency with this listing. Your vehicle should also match the compatibility information shown above before purchase.
Can I program this key myself?
No. This proximity smart key requires professional programming using specialized automotive locksmith or dealer-level diagnostic equipment. The emergency key blade must also be cut before operation.
Is this an original Honda OEM key?
No. This is an aftermarket replacement smart key designed to provide a highly secure and affordable alternative for customers needing a replacement Honda Odyssey key fob.
Full Compatibility & Product Details
This aftermarket smart key is fully engineered for 2021–2024 Honda Odyssey vehicles and supports keyless entry, push-to-start ignition, and all advanced remote functions (dual sliding doors and power liftgate) depending on the vehicle configuration.
It is important to verify the FCC ID, part number, frequency, battery size, and emergency key type before purchase to ensure proper fit and function.
This key is commonly used as a replacement for lost or damaged remotes and may also be purchased as a high-quality spare for everyday use.
⚠️ Programming Requirement:
Professional programming is strictly required for this smart key. Please confirm all product details, FCC ID, and vehicle compatibility before purchase.