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Used for: Fog Light Bulb Front
Used for: Fog Light Bulb Front
Used for: Fog Light Bulb Front
Used for: Fog Light Bulb Front
Used for: Headlight Bulb High Beam, Daytime Running Light Bulb
Used for: Headlight Bulb Low Beam
Used for: Back Up Reverse Light Bulb
Used for: Brake Light Bulb, Tail Light Bulb
Used for: Center High Mount Stop Light Bulb
Used for: License Plate Light Bulb, Trunk or Cargo Area Light
Used for: License Plate Light Bulb, Trunk or Cargo Area Light
Used for: Parking Light Bulb, Turn Signal Light Bulb Front
Used for: Side Marker Light Bulb Front
Used for: Side Marker Light Bulb Rear
Used for: Turn Signal Light Bulb Rear
Used for: Automatic Transmission Indicator Light Bulb, Instrument Panel Light Bulb
Used for: Dome Light Bulb
Used for: Floor Console Compartment Light Bulb, Glove Box Light Bulb, Interior Door Light Bulb
Used for: Floor Console Compartment Light Bulb, Glove Box Light Bulb, Interior Door Light Bulb
Used for: Map Light Bulb
Used for: Map Light Bulb
Used for: Vanity Mirror Light Bulb
This 2003 Acura TL bulb size guide helps you verify the correct replacement bulb by lighting position, so you can match the right part before you buy. Whether you are replacing a headlight, interior lamp, or rear signal bulb, this page is organized to make fitment checks quick and simple for the 2003 Acura TL.
Use the bulb chart to compare each light location on the vehicle with the listed bulb type. The 2003 Acura TL uses different bulbs for exterior lighting, cabin lighting, and dashboard indicators, so checking the exact position matters before ordering replacements.
Fitment can vary by trim, lighting package, market, and body style, so it is smart to confirm the bulb already installed in your Acura before purchasing. Some positions may be listed with halogen or LED replacement options, especially for fog lights, but aftermarket conversions do not always fit or perform the same as factory bulbs. If you are switching from halogen to LED, check connector style, housing clearance, beam pattern, and local lighting rules. For the most reliable result, compare the old bulb number, inspect the socket, and verify the installed bulb before you order.
The low beam headlight bulb listed for the 2003 Acura TL is D2R.
The high beam headlight bulb is 9005 on the 2003 Acura TL.
The daytime running light bulb is 9005.
Both the front turn signal light and the parking light use 1157A.
The rear brake light bulb and tail light bulb are both listed as 7443R.
The back up reverse light bulb is 921.
The license plate light bulb sizes listed are 168 and 917.
The front side marker light bulb is 168NA.
The rear side marker light bulb is 7443A.
The center high mount stop light bulb is 7440.
The dome light bulb is DE3425.
Several interior positions share the same bulb type on the 2003 Acura TL, including the glove box light, interior door light, and floor console compartment light, which are listed as 194 or 7441.
The map light bulb is listed as 2825 or 98, and the vanity mirror light bulb is 6612F.
Check the exact light position, confirm the installed bulb number, and note that trim or lighting package differences can affect fitment on the 2003 Acura TL.