Honda Accord 2003 Bulb Size
Bulb size chart
This page covers bulb sizes for the 2003 Honda Accord and helps you verify the correct bulb by lighting position. Whether you are replacing a headlight, tail light, interior lamp, or license plate bulb, matching the bulb to the exact location is the easiest way to avoid ordering the wrong part.
The 2003 Honda Accord uses different bulbs depending on body style and lamp function, so the same model year can have more than one fitment for certain positions. Use the chart on this page to compare each bulb location before you buy, especially for rear lights, backup lamps, and interior lighting.
Fitment can vary by trim, package, market, and whether the car is a coupe or sedan, so it is smart to confirm the installed bulb before replacing it. Some owners also switch from halogen to LED, but aftermarket conversions may change brightness, beam pattern, or warning behavior, especially in headlight and signal applications. If you are upgrading or replacing a bulb, check the old bulb’s base and markings first, then compare them with the chart to make sure the replacement matches the original socket and function.
FAQ
What are the low beam headlight bulb sizes for a 2003 Honda Accord?
The low beam headlight bulb size listed for the 2003 Honda Accord is 9006.
What bulb is used for the high beams on this model year?
The 2003 Honda Accord uses 9005 bulbs for the high beam headlights.
Does the 2003 Honda Accord use the same bulb for daytime running lights?
Yes. The daytime running light bulb size listed is 9005, the same size shown for the high beam position.
What is the front fog light bulb size?
The front fog light bulb size for the 2003 Honda Accord is H3.
Are backup light bulbs the same on coupe and sedan versions?
No. The coupe uses 921 bulbs for the backup lights, while the sedan uses 7440 bulbs.
What bulb fits the brake lights and tail lights?
The brake light bulb is 7443R, and the tail light bulb is also listed as 7443R for this year.
What is the center high mount stop light bulb size?
The center high mount stop light bulb size is 7440.
What bulb is used for the front parking lights and front side markers?
Both the parking light bulb and the front side marker light bulb are listed as 1157A.
What are the rear turn signal bulb sizes for coupe and sedan models?
The rear turn signal bulb is 7440 for the coupe and 7440A for the sedan.
What bulb fits the license plate lights?
The license plate light bulb size listed for the 2003 Honda Accord is 168.
What interior bulb sizes are used in the dome and map lights?
The dome light and map light both use DE3175 bulbs.
What should I check before buying replacement bulbs for this Accord?
Check whether your car is a coupe or sedan, confirm the exact lamp position, and compare the installed bulb number before ordering. Trim and lighting package differences can affect fitment.
Can I replace halogen bulbs with LED bulbs on a 2003 Honda Accord?
Yes, in many positions you can, but fitment and performance may vary. LED replacements can change beam pattern in headlights and may not work the same in all signal or interior sockets.
What bulb is used for the glove box and interior door lights?
Both the glove box light and interior door light are listed as 194 bulbs.
What are the rear side marker bulb sizes?
The rear side marker bulb is 7443A on the coupe and 168 on the sedan.