Description
Honda Odyssey Smart Key 2018–2020
✔ Dual Power Doors ✔ Power Hatch ✔ Remote Start
Restore original factory performance with this genuine OEM refurbished 7-button proximity smart key designed for 2018–2020 Honda Odyssey models. Built with original unlocked Honda internal circuit electronics inside a fresh replacement shell with a new uncut HO01 emergency key blade.
Combining factory signal reliability with essential minivan features like Dual Power Sliding Doors, Power Hatch, and Remote Start, this refurbished smart key gives you genuine performance without dealership prices. Professional programming is required to pair the key with your vehicle.
Technical Specifications
| Product Type | Proximity Smart Key |
| Condition | OEM Refurbished |
| FCC ID | KR5V2X |
| IC Number | 7812D-V2X |
| Frequency | 433.92 MHz (434 MHz) |
| Buttons | 7 Button (Lock, Unlock, Remote Start, Left Door, Right Door, Hatch, Panic) |
| Part Numbers | 72147-THR-A21, 72147-THR-A31 |
| Battery Type | CR2032 Lithium 3V (Included) |
| Emergency Key | HO01 Emergency Key (Included) |
Vehicle Compatibility
- Honda Odyssey: 2018, 2019, 2020
Frequently Asked Questions
How do I verify this smart key fits my Honda Odyssey?
Before ordering, compare your original key FCC ID (KR5V2X), part number (72147-THR-A21 or 72147-THR-A31), frequency (434 MHz), 7-button layout, and vehicle year to confirm compatibility.
Can I program this Honda Odyssey smart key myself?
No. Honda proximity keys require professional programming using diagnostic equipment connected via OBD2. Take this unit to an automotive locksmith or dealer.
What does OEM Refurbished mean?
This key contains 100% original factory Honda circuit board electronics that have been unlocked and thoroughly tested, housed inside a new outer casing with an uncut emergency blade.
Does this replacement key support dual power doors, power hatch, and remote start?
Yes, all 7 button functions are fully supported when your Honda Odyssey was originally equipped with those factory options.
Full Compatibility & Product Details
Original refurbished 7-button smart key engineered for 2018–2020 Honda Odyssey minivans operating on 434 MHz. Ideal option for drivers seeking true factory internal components at a lower cost than new dealer parts.
Please double check that your current key or vehicle data matches FCC ID KR5V2X and part numbers 72147-THR-A21 or 72147-THR-A31 prior to ordering.
⚠️ Professional Programming Required
This smart key must be programmed by a professional automotive locksmith or dealership before use. Always verify compatibility before purchase.

