Holden Astra Key Replacement Guide

Last updated: August 2026 · Verified OEM part numbers

Quick answer: The Holden Astra (2016-2021) uses the OEM HYQ4EA 433MHz 46 Chip Keyless Go Smart Key for Holden — verified against OEM part numbers. See the full compatibility table below.

Compatible keys for Holden Astra

Before you order

• Match the year range — Holden 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 Holden Astra?

The Holden Astra (2016-2021) uses the OEM HYQ4EA 433MHz 46 Chip Keyless Go Smart Key for Holden. Check the table above for all compatible options, verified against OEM part numbers.

Do you supply Holden Astra 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 Holden Astra 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.

Related: All Holden keys · All guides · Key Finder

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