For 2004 A6 C6 Audi recommends to use: WY5W 12V 5W W2.1x9.5d yellow, W5W 12V 5W W2.1x9.5d, C10W 12V 10W SV8.5-8, T4W 12V 4W BA9s, C5W 12V 5W SV8.5 (11x35), H7 12V 55W PX26d Longlife, PY21W 12V 21W BAU15s interference, PY21W 12V 21W BAU15s yellow, P21W 12V 21W BA15s, H21W 12V 21W BAY9s, H8 12V 35W PGJ19-1, H15 12V 15, D2S 85V 35W P32d-2, H1 12V 55W P14.5s, W5W 12V 5W W2.1x9.5d blue, W5W 12V 5W W2.1x9.5d Longlife, and H7 12V 55W PX26d. To select the right part or fluid see the table below.
in your garage to make future searches easy.
Condition
Value
expand_moreFront light sources
expand_moreCornering light
expand_moreWith bi-xenon
With cornering light
H8 12V 35W PGJ19-1
expand_moreDaytime running light
expand_moreAll other modifications
With bi-xenon
P21W 12V 21W BA15s
With halogen headlamp
H15 12V 15
expand_moreFog lamps
All other modifications
H7 12V 55W PX26d Longlife
expand_moreFront direction indicator
With bi-xenon
PY21W 12V 21W BAU15s interference
With halogen headlamp
PY21W 12V 21W BAU15s yellow
expand_moreHigh beam
expand_moreAll other modifications
expand_moreFull-beam spotlight
With bi-xenon
H7 12V 55W PX26d
With bi-xenon
D2S 85V 35W P32d-2
With halogen headlamp
H1 12V 55W P14.5s
expand_moreLow beam
expand_moreAll other modifications
With bi-xenon
D2S 85V 35W P32d-2
With halogen headlamp
H7 12V 55W PX26d Longlife
expand_moreParking light
expand_moreAll other modifications
With bi-xenon
W5W 12V 5W W2.1x9.5d blue
With halogen headlamp
W5W 12V 5W W2.1x9.5d Longlife
Side direction indicator
WY5W 12V 5W W2.1x9.5d yellow
expand_moreInternal light sources
Boot light
W5W 12V 5W W2.1x9.5d
Door light
W5W 12V 5W W2.1x9.5d
Entry light
W5W 12V 5W W2.1x9.5d
Glove compartment light
W5W 12V 5W W2.1x9.5d
Interior light
C10W 12V 10W SV8.5-8
Reading light
T4W 12V 4W BA9s
expand_moreRear light sources
expand_moreBack-up lamp
All other modifications
P21W 12V 21W BA15s
License plate light
C5W 12V 5W SV8.5 (11x35)
expand_moreRear direction indicator
All other modifications
PY21W 12V 21W BAU15s yellow
expand_moreRear fog lamp
Tail light with light-emitting diodes
H21W 12V 21W BAY9s
Taillight with bulbs
P21W 12V 21W BA15s
expand_moreStop lamp
Taillight with bulbs
P21W 12V 21W BA15s
expand_moreTail light
Taillight with bulbs
P21W 12V 21W BA15s
Servicing your Audi use only recommended parts, oils, fluids and lubricants.
Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2004 Audi A6 user's manual. Keep in mind that all information here is provided “as is” without any warranty of any kind.
Before doing any DIY service please check your insurance policy and Audi warranty policy for your region. In some regions DIY service may invalidate your warranty.
DIY car service is not as difficult as it looks like and it might save you thousands of dollars per year. It might be even fun and a good thing to do with your kids on a weekend to teach them how basic machinery works. It's really hard to screw something up and damage your car permanently if you use right tools, follow Audi A6 service manual and use right parts and fluids in prescribed amounts. Even modern cars stuffed with electronics can be serviced in your garage or even in your driveway. Changing engine oil, brake fluid, ATF, replacing brake pads, and etc. It's all may be done by yourself in a mater of a couple of hours.
Doing basic service for your 2004 Audi A6 you're not only saving money, but also also improving your technical skills and learning something new.
2004 Audi A6 generations
In 2004 Audi offered 2 generations of the A6. Maintenance items may vary in different generations. Be sure that you are looking at the rigt modification.