2004 Audi RS6 Bulb Size Chart

Bulb sizes may vary by trim, factory lighting package, region, production date, and previous modifications. Verify the bulb number on your existing bulb before buying.

Last database update: May 2026. Manual review status: Not yet manually reviewed.

Verify before buying: check the bulb number printed on your existing bulb, confirm your trim and factory lighting package, and review the seller's fitment notes.

Disclosure: We may earn a commission from links marked Affiliate. Unmarked retailer links may be plain search links. Always verify bulb fitment before purchasing.

2004 Audi RS6 Bulb Size Chart

Position	Bulb Code	Aliases	Trim / Package	Factory Type	Confidence	Review	Notes	Shop
Low Beam	D2S	—	Factory HID package	HID	High	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon eBay
High Beam	H7	—	Standard listing	Halogen	High	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon eBay
Fog Light	H7	—	If equipped / package-dependent	Halogen	High	Pending	If equipped; fog light packages can vary by trim.	Amazon eBay
Brake Light	70	—	Standard listing	Halogen	High	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon
Dome Light	6411	—	Standard listing	Halogen	Medium	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon
Side Marker	7528	—	Standard listing	Halogen	Medium	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon
Turn Signal Front	3457AK	—	Standard listing	Halogen	High	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon
License Plate	6418	—	Standard listing	Halogen	Medium	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon
Map Light	47830	—	Standard listing	Halogen	Medium	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon
Parking Light	7528	—	Standard listing	Halogen	Medium	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon
Turn Signal Rear	7506	—	Standard listing	Halogen	High	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon
Reverse Light	7506	—	Standard listing	Halogen	Medium	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon
Trunk Light	6486X	—	Standard listing	Halogen	Medium	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon
Tail Light	7528	—	Standard listing	Halogen	High	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon
Door Light	W5W	—	Standard listing	Halogen	Medium	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon

LED Flicker Warning

Some Audi vehicles may require a CANbus decoder or anti-flicker harness when installing LED replacements.

Check decoder options.

2004 Audi RS6 Fitment Notes

Our database shows the same listed bulb sizes for the Audi RS6 across the 2003 to 2004 range. Still verify your trim, lighting package, and the bulb number in the housing before buying.

Known fitment limitations

factory HID or LED packages may use different parts
fog lights may depend on equipment package
aftermarket headlight assemblies may use different bulbs
regional models and production-date splits may differ

See an incorrect bulb size? Submit a correction.

How do the 2004 Audi RS6's bulbs compare to other years?

The 2004 Audi RS6 uses the same bulbs as the 2003 model.

This bulb configuration covers the 2003–2004 model years. ← 2003

Finding the best installation guide...

Other RS6 Years

2003

Other Vehicles That Use D2S Bulbs

2019 Infiniti QX60 2019 Mitsubishi Outlander Sport 2019 Mitsubishi RVR 2019 Nissan 370Z 2018 Honda Odyssey 2017 Infiniti QX50

Frequently Asked Questions

Our database lists D2S for the 2004 Audi RS6 low beam headlights. Verify the bulb number on your existing bulb and confirm your trim or factory lighting package before buying.

Our database lists H7 for the 2004 Audi RS6 high beam position. Some vehicles vary by trim, lighting package, or previous housing changes.

Dim headlights on a 2004 Audi RS6 can come from aging halogen bulbs, cloudy lenses, weak electrical connections, or an incorrect bulb. Confirm the listed D2S size against the bulb in the housing before choosing a replacement or upgrade.

Our database lists H7 for the 2004 Audi RS6 fog light position. Fog lights are often package-dependent, so verify that your vehicle is equipped with factory fog lights before ordering.

The 2004 Audi RS6 uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

LED upgrades are available for many D2S applications, but fitment, beam pattern, dashboard warnings, and road-use legality can vary. Use products that list your exact bulb family, such as D2S, and verify the factory housing before buying.

Our database has a fog light entry for the 2004 Audi RS6: H7. Fog lights may still depend on trim or equipment package.

No — the 2004 Audi RS6 uses the same bulb sizes as the 2003 model. This configuration has been consistent across the 2003–2004 generation.

The 2004 Audi RS6 is the last year in the 2003–2004 generation to use the D2S bulb for the low beam headlight.

Access varies by engine bay layout and headlight housing. Before disassembly, confirm the listed D2S low beam size on the existing bulb or owner's manual, then follow the service procedure for your exact trim.

Rules for LED headlight retrofits vary by location and by housing type. Avoid products that create glare or lack road-use compliance claims, and check local requirements before using an LED conversion on public roads.

Replacement cost depends on bulb technology, brand, and labor access. HID D2S capsules usually cost more than common halogen bulbs. Check seller fitment notes before comparing prices.

Halogen bulbs and LED replacements differ in output, heat behavior, beam pattern, and electronics. A correct bulb code does not guarantee a correct LED beam pattern, so verify physical fit and seller compatibility notes for the 2004 Audi RS6.

2004 Audi RS6 Bulb Size Chart

2004 Audi RS6 Bulb Size Chart

2004 Audi RS6 Fitment Notes

How do the 2004 Audi RS6's bulbs compare to other years?

Other RS6 Years

More from Audi

Other Vehicles That Use D2S Bulbs

Frequently Asked Questions

What is the low beam headlight bulb size for a 2004 Audi RS6?

What is the high beam headlight bulb size for a 2004 Audi RS6?

Why are my 2004 Audi RS6 headlights dim?

Which bulb fits the 2004 Audi RS6 fog light?

Is the 2004 Audi RS6 single or dual beam?

Can I install LED bulbs on my 2004 Audi RS6?

Does the 2004 Audi RS6 have fog lights?

Did the 2004 Audi RS6 change headlight bulb sizes from the previous year?

Is the 2004 Audi RS6 the first or last year to use D2S bulbs?

How do I change the headlight on a 2004 Audi RS6?

Are LED headlights legal for a 2004 Audi RS6?

How much does it cost to replace 2004 Audi RS6 headlights?

What is the difference between halogen and LED for a 2004 Audi RS6?