GMC Sierra Key Replacement Guide
Last updated: September 2026 · Verified against OEM part numbers
Quick answer — GMC Sierra
The GMC Sierra (2019-2020 and other model years) uses the HYQ1EA smart key — 433 MHz (SKU PCK-CV-2035-P) — verified against the original OEM part number. See every compatible option in the table below.
- OEM part number: HYQ1EA
- Frequency: 433 MHz
- Key type: Smart Key
- Years covered: 2019-2020 and other model years
- Wholesale: MOQ 5 units per SKU, models mixable in one order
Which GMC Sierra key fits your vehicle?
💬 Ask on WhatsAppCompatible keys for GMC Sierra
| Years | Photo | Key |
|---|---|---|
| 2019-2020 | — | No Badge HYQ1EA 433MHz 46 Chip 4+Panic Button (Pickup) Smart Key for GMC Chevrolet SKU: PCK-CV-2035-P |
| 2021-2022 | — | HYQ1ES 13522904 433MHz 46 Chip 4+1 Button (Pickup) Smart Key for GMC Sierra SKU: PCK-GC-2022-P |
| 2022-2023 | — | YG0G21TB2 433MHz 49 Chip 3+1 Button (Pickup) Smart Key for GMC Sierra SKU: PCK-GC-2004-O |
| 2019-2020 | | HYQ1EA 13591396 433MHz 46 Chip 4+Panic Button (Pickup) Smart Key for GMC Sierra SKU: PCK-GC-2021-O |
Before you order
- Match the year range — GMC 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 GMC Sierra key?
The GMC Sierra 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 GMC Sierra?
The GMC Sierra (2019-2020) uses the No Badge HYQ1EA 433MHz 46 Chip 4+Panic Button (Pickup) Smart Key for GMC Chevrolet (SKU PCK-CV-2035-P). Check the table above for all compatible options, verified against OEM part numbers.
Do you supply GMC Sierra 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 GMC Sierra 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 GMC Sierra key?
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