Guide · Buick
Buick Envision Key Replacement Guide
Last updated: September 2026 · Verified against OEM part numbers
Quick answer — Buick Envision
The Buick Envision (2021-2022 and other model years) uses the YG0G21TB2 smart key — 433 MHz (SKU PCK-BK-2005-O) — verified against the original OEM part number. See every compatible option in the table below.
- OEM part number: YG0G21TB2
- Frequency: 433 MHz
- Key type: Smart Key
- Years covered: 2021-2022 and other model years
- Wholesale: MOQ 5 units per SKU, models mixable in one order
Compatible keys for Buick Envision
| Years | Photo | Key |
|---|
| 2021-2022 |  | YG0G21TB2 433MHz 49 Chip 4+Panic Button (Pickup) Smart Key for Buick Envision SKU: PCK-BK-2005-O |
| 2017-2020 |  | HYQ4AS 13584500 315MHz 46 Chip 4+1 Button (Rear Hatch) Smart Key for Buick Envision SKU: PCK-BK-2019 |
| 2021-2022 |  | YG0G21TB2 433MHz 49 Chip 2+Panic Button Smart Key for Buick Envision SKU: 别克 21+智能卡 2+1键 433 带坑 |
| 2021-2022 |  | YG0G21TB2 433MHz 49 Chip 3+Panic Button (Rear Hatch) Smart Key for Buick Envision SKU: 2021+ 别克 4键低尾 433 带坑 |
| 2021-2022 |  | YG0G21TB2 433MHz 49 Chip 3+1 Button (SUV) Smart Key for Buick Envision SKU: 2021+ 别克 4键SUV 高尾 433 智能 带坑 |
| 2021-2022 |  | YG0G21TB2 433MHz 49 Chip 4+Panic Button (Rear Hatch) Smart Key for Buick Envision SKU: 别克 21+智能卡 5键高尾 433 带坑 |
| 2021-2022 |  | HUFGM2718 433MHz 49 Chip 5+1 Button (SUV) Smart Key for Buick Envision SKU: PCK-BK-2006-O |
Before you order
- Match the year range — Buick changed key systems across model years. Check your registration year.
- Check your current key — the OEM number printed on your key matches the table above.
- Programming — smart keys need a compatible programmer (Xhorse, VVDI, Autel). We can advise which one works for each key.
Frequently asked questions
What frequency is the Buick Envision key?
The Buick Envision key operates on 433 MHz. Frequency is fixed in the key hardware and cannot be reprogrammed — a key bought on the wrong frequency will not lock, unlock or start the car.
Which key fits my Buick Envision?
The Buick Envision (2021-2022) uses the YG0G21TB2 433MHz 49 Chip 4+Panic Button (Pickup) Smart Key for Buick Envision (SKU PCK-BK-2005-O). Check the table above for all compatible options, verified against OEM part numbers.
Do you supply Buick Envision keys wholesale?
Yes. We supply locksmiths and key distributors at wholesale prices with MOQ from 5 units. Message us on WhatsApp for today's price list.
Can a Buick Envision key be programmed without the dealer?
In most cases yes, using tools like Xhorse, VVDI or Autel. We can advise the right programmer for each key SKU.
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