Guide · Buick

Buick Enclave Key Replacement Guide

Last updated: August 2026 · Verified OEM part numbers

Quick answer: The Buick Enclave (2018-2020) uses the HYQ4EA 13521090 13506668 433MHz 46 Chip 4+1 Button (Rear Hatch) Smart Key for Buick Enclave Regal (SKU PCK-BK-2021) — verified against OEM part numbers. See the full compatibility table below.

Which Buick Enclave key fits your vehicle?

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Compatible keys for Buick Enclave

Years	Key
2018-2020	HYQ4EA 13521090 13506668 433MHz 46 Chip 4+1 Button (Rear Hatch) Smart Key for Buick Enclave Regal SKU: PCK-BK-2021
2007-2017	OUC60270 OUC60221 315MHz Remote Control for Chevrolet Buick GMC SKU: PCK-CV-2133
2007-2017	OUC60270 OUC60221 315MHz Remote Control for Chevrolet Buick GMC SKU: PCK-CV-2128
2007-2017	OUC60270 315MHz 2+1 Button Remote Key for Chevrolet GMC SKU: PCK-CV-2124
2007-2017	OUC60270 315MHz 4+1 Button (SUV) Remote Key for Chevrolet GMC SKU: PCK-CV-2131

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

Which key fits my Buick Enclave?

The Buick Enclave (2018-2020) uses the HYQ4EA 13521090 13506668 433MHz 46 Chip 4+1 Button (Rear Hatch) Smart Key for Buick Enclave Regal (SKU PCK-BK-2021). Check the table above for all compatible options, verified against OEM part numbers.

Do you supply Buick Enclave 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 Enclave 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 Enclave key?