Acura RSX 2005 Bulb Size
Bulb size chart
This page for the 2005 Acura RSX helps you verify bulb sizes by lighting position, so you can match the correct replacement to each exterior and interior lamp. Whether you are replacing a headlight, turn signal, brake light, or cabin bulb, the chart is organized to make fitment checks faster and easier.
The 2005 Acura RSX uses several different bulb types depending on where the light is located, and some positions may vary by trim, market, or body style. Use the listed bulb sizes below as a guide for common fitment points on this model before ordering replacement bulbs.
For the best fit, compare the bulb position on your RSX with the chart and confirm the installed bulb before buying, especially if your car has a different trim or lighting package. Halogen bulbs are the standard setup for many positions on this model, but LED replacements may be used in some applications if they are compatible with the socket and space available. Aftermarket LED conversions can change beam pattern, brightness, and warning behavior, so it is important to choose the right style for the job. When possible, remove the old bulb and check the base code directly to avoid ordering the wrong part.
FAQ
What bulb does the 2005 Acura RSX use for the low beam headlight?
The low beam headlight bulb is H1 on the 2005 Acura RSX.
What bulb size is used for the high beam headlight?
The high beam headlight bulb is 9005.
What bulb is listed for the daytime running light on this RSX?
The daytime running light bulb is 9005.
What bulb fits the front turn signal on the 2005 Acura RSX?
The front turn signal light bulb is 7440A.
What bulb is used for the rear turn signal?
The rear turn signal light bulb is also 7440A.
What are the brake and tail light bulb sizes?
Both the brake light bulb and the tail light bulb are listed as 7443R.
What bulb is used for the center high mount stop light?
The center high mount stop light bulb is 7440.
What bulb fits the reverse light?
The back up reverse light bulb is 921.
What bulb size is used for the license plate light?
The license plate light bulb can be 168 or 917.
What bulb is listed for the front side marker light?
The front side marker light bulb is 2827.
What bulb is listed for the rear side marker light?
The rear side marker light bulb is 168NA.
What interior bulb does the dome light use?
The dome light bulb is DE3175.
What bulb fits the map light?
The map light bulb is DE3175.
Does the 2005 Acura RSX have different bulb sizes by trim?
Yes, trim and lighting package can vary by market and body style, so it is smart to confirm the exact bulb in your vehicle before ordering.