Buick Regal Key Replacement Guide
Last updated: September 2026 · Verified against OEM part numbers
Quick answer — Buick Regal
The Buick Regal (2018-2020) uses the HYQ4EA smart key — 433 MHz (SKU PCK-BK-2009) — verified against the original OEM part number. See every compatible option in the table below.
- OEM part number: HYQ4EA
- Frequency: 433 MHz
- Key type: Smart Key
- Years covered: 2018-2020
- Wholesale: MOQ 5 units per SKU, models mixable in one order
Which Buick Regal key fits your vehicle?
💬 Ask on WhatsAppCompatible keys for Buick Regal
| Years | Photo | Key |
|---|---|---|
| 2018-2020 | | HYQ4EA 13506667 433MHz 46 Chip 2+1 Button Smart Key for Buick Regal SKU: PCK-BK-2009 |
| 2018-2020 | | HYQ4EA 13511629 433MHz 46 Chip 3+1 Button (Start) Smart Key for Buick Regal SKU: PCK-BK-2016 |
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 Regal key?
The Buick Regal 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 Regal?
The Buick Regal (2018-2020) uses the HYQ4EA 13506667 433MHz 46 Chip 2+1 Button Smart Key for Buick Regal (SKU PCK-BK-2009). Check the table above for all compatible options, verified against OEM part numbers.
Do you supply Buick Regal 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 Regal 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.
Ready to order a Buick Regal key?
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