Audi A8 Key Replacement Guide
Last updated: September 2026 · Verified against OEM part numbers
Quick answer — Audi A8
The Audi A8 (2017-2021) uses the 4N0959754ER smart key — 433 MHz (SKU PCK-AU-2003) — verified against the original OEM part number. See every compatible option in the table below.
- OEM part number: 4N0959754ER
- Frequency: 433 MHz
- Key type: Smart Key
- Years covered: 2017-2021
- Wholesale: MOQ 5 units per SKU, models mixable in one order
Which Audi A8 key fits your vehicle?
💬 Ask on WhatsAppCompatible keys for Audi A8
| Years | Photo | Key |
|---|---|---|
| 2017-2021 | | KYDZ 4N0959754ER 4N0959754EG 433MHz Keyless Go MLB Smart Key for Audi A8 SKU: PCK-AU-2003 |
| 2017-2021 | | KYDZ 4N0959754ER 4N0959754EG 433MHz Keyless Go MLB Smart Key for Audi A8 SKU: PCK-AU-2003 |
| — | | 4E0837220M 4E0837220D 433MHz 46 Chip 3 Button Flip Smart Key for Audi A8 SKU: PCK-AU-2048-P |
Before you order
- Match the year range — Audi 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 Audi A8 key?
The Audi A8 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 Audi A8?
The Audi A8 (2017-2021) uses the KYDZ 4N0959754ER 4N0959754EG 433MHz Keyless Go MLB Smart Key for Audi A8 (SKU PCK-AU-2003). Check the table above for all compatible options, verified against OEM part numbers.
Do you supply Audi A8 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 Audi A8 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 Audi A8 key?
💬 Ask on WhatsAppRelated: All Audi keys · All guides · Key Finder