Audi TT RS 2012 Bulb Size
Bulb size chart
This page helps you find the correct bulb sizes for the 2012 Audi TT RS by lighting position, so you can verify each exterior and interior lamp before you buy replacements. Because the TT RS can use different lighting setups depending on market, trim, and body style, checking the exact location on the chart is the safest way to match the right bulb.
For the 2012 Audi TT RS, the listed bulb types include D1S for the high and low beams, H11 for the front fog lights, 7507 for the front turn signals, 921 for the rear turn signals and reverse lights, and 7506 for the brake and tail lights. Interior and convenience lights such as the glove box, trunk, map, door, and vanity mirror use the sizes shown on this page, while several exterior positions are LED-based.
Fitment can vary by trim package, lighting option, and regional market, so it is smart to confirm what is actually installed on your car before ordering. This is especially important on vehicles with factory LED lighting or when a previous owner has changed bulbs or housings. If you are considering aftermarket LED conversions, make sure the bulb style, polarity, and any required resistors or adapters are compatible with the TT RS’s electrical system. For the best results, compare the bulb in the car with the chart and inspect the existing part number or base type before purchase.
FAQ
What bulb size does the 2012 Audi TT RS use for the low beam headlights?
The 2012 Audi TT RS uses D1S bulbs for the low beam headlights on this page.
What bulb size is listed for the high beam headlights on the 2012 Audi TT RS?
The high beam headlights are listed as D1S on this page.
What is the front fog light bulb size for the 2012 Audi TT RS?
The front fog light bulb size listed for the 2012 Audi TT RS is H11.
What bulb does the front turn signal use?
The front turn signal bulb is listed as 7507.
What bulb does the rear turn signal use?
The rear turn signal bulb is listed as 921.
What bulb size is used for the reverse lights?
The back up reverse light bulb is listed as 921.
What bulb size is used for the brake lights and tail lights?
Both the brake light and tail light bulbs are listed as 7506.
Are the license plate lights on the 2012 Audi TT RS LED?
Yes, the license plate light bulbs are listed as LED on this page.
Which interior bulbs use the 2825 size?
The glove box light, trunk or cargo area light, map light, and interior door light are all listed as 2825.
What bulb size is used for the vanity mirror light?
The vanity mirror light bulb is listed as 6418.
Do the parking lights and daytime running lights use LED bulbs?
Yes, both the parking light bulb and daytime running light bulb are listed as LED.
Why should I check the installed bulb before buying replacements?
Because trim, lighting package, and market differences can change the exact fitment, and prior bulb changes may mean the installed part does not match the original equipment.
Can aftermarket LED bulbs be used in place of halogen bulbs on the 2012 Audi TT RS?
Yes, but fitment should be checked carefully. Some aftermarket LED bulbs need adapters, resistors, or specific housings to work correctly without warning lights or beam pattern issues.
Does this page apply to every 2012 Audi TT RS?
It is a strong fitment guide for the 2012 Audi TT RS, but lighting equipment can vary by market and body style, so the bulb position on the chart should always be verified against the car.