Opel Signum Key Replacement Guide
Last updated: September 2026 · Verified against OEM part numbers
Quick answer — Opel Signum
The Opel Signum (2005-2007) uses the G3-AM433TX remote key — 433 MHz (SKU PCK-OP-2021) — verified against the original OEM part number. See every compatible option in the table below.
- OEM part number: G3-AM433TX
- Frequency: 433 MHz
- Key type: Remote Key
- Years covered: 2005-2007
- Wholesale: MOQ 5 units per SKU, models mixable in one order
Which Opel Signum key fits your vehicle?
💬 Ask on WhatsAppCompatible keys for Opel Signum
| Years | Photo | Key |
|---|---|---|
| 2005-2007 | | EZRF G3-AM433TX 93187508 433MHz 7946 Chip HU43 3 Button Flip Remote Key for Opel Vectra Signum SKU: PCK-OP-2021 |
| 2005-2007 | | EZRF G3-AM433TX 13189105 433MHz 7946 Chip HU43 2 Button Flip Remote Key for Opel Vectra Signum SKU: PCK-OP-2020 |
| 2005-2007 | | EZRF G3-AM433TX 93187508 433MHz 7946 Chip HU100 3 Button Flip Remote Key for Opel Vectra Signum SKU: PCK-OP-2019 |
| 2005-2007 | | EZRF G3-AM433TX 13189105 433MHz 7946 Chip HU100 2 Button Flip Remote Key for Opel Vectra Signum SKU: PCK-OP-2018 |
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 Signum key?
The Opel Signum 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 Opel Signum?
The Opel Signum (2005-2007) uses the EZRF G3-AM433TX 93187508 433MHz 7946 Chip HU43 3 Button Flip Remote Key for Opel Vectra Signum (SKU PCK-OP-2021). Check the table above for all compatible options, verified against OEM part numbers.
Do you supply Opel Signum 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 Opel Signum 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.
Ready to order a Opel Signum key?
💬 Ask on WhatsAppRelated: All Opel keys · All guides · Key Finder