Audi A6 Quattro Key Replacement Guide

Last updated: August 2026 · Verified OEM part numbers

Quick answer: The Audi A6 Quattro (2002-2004) uses the 4D0837231N 433MHz 48 Chip 3 Button Flip Remote Key for Audi A6 (SKU PCK-AU-2045) — verified against OEM part numbers. See the full compatibility table below.

Compatible keys for Audi A6 Quattro

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

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.

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