Buick Regal Key Replacement Guide

Last updated: August 2026 · Verified OEM part numbers

Quick answer: The Buick Regal (2018-2020) uses the HYQ4EA 13506667 433MHz 46 Chip 2+1 Button Smart Key for Buick Regal (SKU PCK-BK-2009) — verified against OEM part numbers. See the full compatibility table below.

Compatible keys for Buick Regal

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 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.

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