Buick Encore GX Key Replacement Guide

Last updated: September 2026 · Verified against OEM part numbers

Compatible keys for Buick Encore GX

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 Encore GX key?

The Buick Encore GX 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 Encore GX?

The Buick Encore GX (2024-2026) uses the HYQ4ES 13547676 433MHz 46 Chip Smart Key for Buick Encore Envista. Check the table above for all compatible options, verified against OEM part numbers.

Do you supply Buick Encore GX 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 Encore GX 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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