Opel Astra Key Replacement Guide
Last updated: September 2026 · Verified against OEM part numbers
Quick answer — Opel Astra
The Opel Astra (2018-2021 and other model years) uses the A3M15 smart key — 4A chip, 433 MHz (SKU 原板副壳 A3M15 3键灯 HU83 P) — verified against the original OEM part number. See every compatible option in the table below.
- OEM part number: A3M15
- Frequency: 433 MHz
- Chip / immobiliser: 4A
- Key type: Smart Key
- Years covered: 2018-2021 and other model years
- Wholesale: MOQ 5 units per SKU, models mixable in one order
Which Opel Astra key fits your vehicle?
💬 Ask on WhatsAppCompatible keys for Opel Astra
| Years | Photo | Key |
|---|---|---|
| 2018-2021 | | IM3A 433MHz A3M15 4A Chip HU83 3 Button (Light) Smart Key with OEM Board for Opel Astra Corsa SKU: 原板副壳 A3M15 3键灯 HU83 P |
| 2018-2021 | | IM3A 433MHz A3M05 4A Chip HU83 3 Button (Light) Smart Key with OEM Board for Opel Astra Corsa SKU: 原板副壳 A3M05 3键灯 HU83 P |
| 2004-2009 | | EZRF 93178494 736-743-A 433MHz 7941 Chip HU43 Flip Remote Key for Opel Astra Zafira SKU: PCK-OP-2015 |
| 2018-2021 | | IM3A 433MHz A3M05 4A Chip VA2 3 Button (Trunk) Smart Key with OEM Board for Opel Astra Corsa SKU: 原板副壳 A3M05 3键轿车 VA2 P |
| 2018-2021 | | IM3A 433MHz A3M05 4A Chip VA2 3 Button (Light) Smart Key with OEM Board for Opel Astra Corsa SKU: 原板副壳 A3M05 3键灯 VA2 P |
| 2004-2009 | | EZRF 93178494 736-743-A 433MHz 7941 Chip HU100 Flip Remote Key for Opel Astra Zafira SKU: PCK-OP-2014 |
Before you order
- Match the year range — Opel 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 Opel Astra key?
The Opel 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.
What chip does the Opel Astra key use?
The Opel Astra uses a 4A chip. Tell your supplier the chip type when ordering so you receive the correct blank — an ID46 blank will not replace an ID47 or 4D83 key.
Which key fits my Opel Astra?
The Opel Astra (2018-2021) uses the IM3A 433MHz A3M15 4A Chip HU83 3 Button (Light) Smart Key with OEM Board for Opel Astra Corsa (SKU 原板副壳 A3M15 3键灯 HU83 P). Check the table above for all compatible options, verified against OEM part numbers.
Do you supply Opel 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.
Ready to order a Opel Astra key?
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