Vauxhall Astra L Key Replacement Guide
Last updated: September 2026 · Verified against OEM part numbers
Quick answer — Vauxhall Astra L
The Vauxhall Astra L (2021-2024) uses the A3M05 smart key — 4A chip, 433 MHz (SKU 原板副壳 A3M05 3键轿车 HU83 P) — verified against the original OEM part number. See every compatible option in the table below.
- OEM part number: A3M05
- Frequency: 433 MHz
- Chip / immobiliser: 4A
- Key type: Smart Key
- Years covered: 2021-2024
- Wholesale: MOQ 5 units per SKU, models mixable in one order
Which Vauxhall Astra L key fits your vehicle?
💬 Ask on WhatsAppCompatible keys for Vauxhall Astra L
| Years | Photo | Key |
|---|---|---|
| 2021-2024 | | IM3A 433MHz A3M05 4A Chip HU83 3 Button (Trunk) Smart Key with OEM Board for Opel Astra Corsa SKU: 原板副壳 A3M05 3键轿车 HU83 P |
| 2021-2024 | | 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 |
Before you order
- Match the year range — Vauxhall 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 Vauxhall Astra L key?
The Vauxhall Astra L 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 Vauxhall Astra L key use?
The Vauxhall Astra L 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 Vauxhall Astra L?
The Vauxhall Astra L (2021-2024) uses the IM3A 433MHz A3M05 4A Chip HU83 3 Button (Trunk) Smart Key with OEM Board for Opel Astra Corsa (SKU 原板副壳 A3M05 3键轿车 HU83 P). Check the table above for all compatible options, verified against OEM part numbers.
Do you supply Vauxhall Astra L 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 Vauxhall Astra L key?
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