Audi A6 Quattro Key Replacement Guide
Last updated: September 2026 · Verified against OEM part numbers
Quick answer — Audi A6 Quattro
The Audi A6 Quattro (2002-2004) uses the 4D0837231N remote key — 433 MHz (SKU PCK-AU-2045) — verified against the original OEM part number. See every compatible option in the table below.
- OEM part number: 4D0837231N
- Frequency: 433 MHz
- Key type: Remote Key
- Years covered: 2002-2004
- Wholesale: MOQ 5 units per SKU, models mixable in one order
Which Audi A6 Quattro key fits your vehicle?
💬 Ask on WhatsAppCompatible keys for Audi A6 Quattro
| Years | Photo | Key |
|---|---|---|
| 2002-2004 | | 4D0837231N 433MHz 48 Chip 3 Button Flip Remote Key for Audi A6 SKU: PCK-AU-2045 |
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 A6 Quattro key?
The Audi A6 Quattro 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 A6 Quattro?
The Audi A6 Quattro (2002-2004) uses the 4D0837231N 433MHz 48 Chip 3 Button Flip Remote Key for Audi A6 (SKU PCK-AU-2045). Check the table above for all compatible options, verified against OEM part numbers.
Do you supply Audi A6 Quattro 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 A6 Quattro 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 A6 Quattro key?
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