Used for: Fog Light Bulb Front, Headlight Bulb High Beam, Daytime Running Light Bulb
Used for: Headlight Bulb Low Beam
Used for: Back Up Reverse Light Bulb, Turn Signal Light Bulb Rear
Used for: Brake Light Bulb, Tail Light Bulb
Used for: Center High Mount Stop Light Bulb
Used for: License Plate Light Bulb
Used for: License Plate Light Bulb
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: Automatic Transmission Indicator Light Bulb
Used for: Dome Light Bulb
Used for: Glove Box Light Bulb, Interior Door Light Bulb, Trunk or Cargo Area Light
Used for: Map Light Bulb
Used for: Map Light Bulb
Used for: Vanity Mirror Light Bulb
This page covers the bulb sizes for the 2001 Acura RL and helps you verify the correct replacement by lighting position. Whether you are changing an exterior signal lamp, a cabin bulb, or a headlight, matching the bulb to the exact location is the easiest way to avoid ordering the wrong part.
The 2001 Acura RL uses a mix of single-filament and dual-filament bulbs, plus a few specialty lamps for the interior and headlight system. Use the chart on this page to compare each bulb by function, such as low beam, high beam, brake light, parking light, or license plate light, before you buy replacements.
Fitment can vary by trim, lighting package, market, and body style, so it is smart to confirm the bulb already installed in your car before ordering. Some positions on the 2001 Acura RL may use halogen bulbs from the factory, while others may be replaced with LED aftermarket bulbs if the housing and beam pattern are compatible. If you are considering an LED conversion, check for polarity, heat management, and whether the bulb will fit the socket and lens space correctly. For the best results, compare the old bulb number, inspect the base style, and verify the lamp function before purchase.
The low beam headlight bulb listed for the 2001 Acura RL is D2R.
The high beam headlight bulb size is H1.
The front turn signal light bulb is 1157A.
The rear turn signal light bulb is 7440.
The back up reverse light bulb is 7440.
Both the brake light and tail light use 7443R on this model.
The center high mount stop light bulb is 3497.
The license plate light bulb can use 168 or 917.
The dome light bulb listed for the 2001 Acura RL is DE3022.
The map light bulb can be 2825 or 98.
Both the glove box light and trunk or cargo area light use DE3021.
Check the exact lamp position, confirm the bulb number on the old bulb, and make sure the replacement matches your trim or lighting package. This is especially important because some positions can differ by market or body style.
