Acura TSX 2007 Bulb Size
Bulb size chart
This page helps you verify bulb sizes for the 2007 Acura TSX by lighting position, so you can match the correct replacement before you buy. Because the TSX can use different bulbs depending on trim, lighting package, and market, checking the exact location is the safest way to avoid ordering the wrong part.
For the 2007 Acura TSX, many exterior and interior lights use common fitments such as 168/917, 7440, 7443R, H1, D2S, DE3175, and 24. Use the bulb chart on this page to identify the correct bulb for your headlight, tail light, interior, and signal locations, then compare it with the bulb already installed in your vehicle.
Fitment can vary on the 2007 Acura TSX, especially between trim levels, factory lighting packages, and regional specifications. Halogen and LED replacements may not be direct swaps in every position, and some aftermarket LED conversions can change beam pattern, brightness, or warning behavior. Before ordering, check the bulb currently installed, confirm the socket style, and compare the old bulb to the replacement listing to make sure the base, size, and output are correct.
FAQ
What low beam bulb does a 2007 Acura TSX use?
The 2007 Acura TSX uses a D2S bulb for the low beam headlight position.
What high beam bulb fits the 2007 Acura TSX?
The high beam headlight bulb for the 2007 Acura TSX is H1.
What bulb is used for the daytime running lights on this TSX?
The daytime running light bulb is H1 on the 2007 Acura TSX.
What is the front fog light bulb size for a 2007 Acura TSX?
Front fog lights are listed as H11 LED or H16 LED, depending on the setup and replacement type used.
Which bulb fits the brake lights on the 2007 Acura TSX?
The brake light bulb is 7443R.
What bulb does the outer tail light use?
The outer tail light bulb is 7443R.
What bulb fits the inner tail light on this model?
The inner tail light bulb is 168 or 917.
What bulb is used for the license plate lights?
The license plate light bulb is 168 or 917.
What bulb size is used for the dome light and map lights?
Both the dome light and map lights use DE3175 bulbs.
What bulb fits the front and rear turn signals?
Both the front and rear turn signal bulbs are 7440.
What bulb is used for the back up reverse light?
The back up reverse light bulb is 7440.
What bulb fits the center high mount stop light?
The center high mount stop light bulb is 7440.
What bulb does the interior door light use?
The interior door light bulb is 194 or 7441.
What bulb size is used for the side marker lights?
Both the front and rear side marker lights use 168NA bulbs.
What bulb fits the automatic transmission indicator light?
The automatic transmission indicator light bulb is 2721.
Does the 2007 Acura TSX use the same bulbs on every trim?
Not always. Trim and lighting package differences can change certain bulb applications, so it is best to verify the exact position on your specific vehicle.
Should I check the old bulb before buying a replacement?
Yes. Checking the installed bulb is one of the best ways to confirm the correct size, especially if the car has been modified or repaired before.