Holden Astra Key Replacement Guide

Last updated: September 2026 · Verified against OEM part numbers

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

What frequency is the Holden Astra key?

The Holden Astra 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 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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