
Antline High Power 886 LED Bulbs
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Used for: Fog Light Bulb Front
Used for: Headlight Bulb High Beam, Headlight Bulb High Beam and Low Beam
Used for: Headlight Bulb Low Beam
Used for: Back Up Reverse Light Bulb
Used for: Brake Light Bulb(Compare to original - Option 1), Tail Light Bulb(Compare to original - Option 1)
Used for: Brake Light Bulb(Compare to original - Option 2), Tail Light Bulb(Compare to original - Option 2)
Used for: Center High Mount Stop Light Bulb, Trunk or Cargo Area Light
Used for: Cornering Light Bulb
Used for: License Plate Light Bulb(Compare to original - Option 1)
Used for: License Plate Light Bulb(Compare to original - Option 2)
Used for: Parking Light Bulb, Side Marker Light Bulb Front, Turn Signal Light Bulb Front, Turn Signal Light Bulb Rear(Compare to original - Option 2)
Used for: Roof Marker Light Bulb, Courtesy Light Bulb
Used for: Side Marker Light Bulb Rear
Used for: Turn Signal Light Bulb Rear(Compare to original - Option 1)
Used for: Ash Tray Light Bulb
Used for: Automatic Transmission Indicator Light Bulb, Check Engine Light Bulb, Instrument Panel Light Bulb(Compare to original - Option 3)
Used for: Dome Light Bulb
Used for: Engine Compartment Light Bulb
Used for: Glove Box Light Bulb
Used for: High Beam Indicator Light Bulb, Instrument Panel Light Bulb(Compare to original - Option 2), Parking Brake Indicator Light Bulb, Turn Signal Indicator Light Bulb
Used for: Ignition Light
Used for: Instrument Panel Light Bulb(Compare to original - Option 1)
Used for: Map Light Bulb
This 2001 Dodge Ram 2500 bulb size guide helps you verify the correct bulbs by lighting position, so you can replace only the lamp that needs attention. Whether you are checking the headlights, tail lamps, marker lights, or interior bulbs, the page organizes the fitment information by location to make shopping and installation easier.
The 2001 Ram 2500 used several bulb types across cab, bed, exterior, and dash lighting, and some positions may vary by trim, body style, or market. Use the chart to match the bulb to the exact function on your truck, then compare it with the bulb already installed before you buy replacements.
For the best fit, always confirm the trim package and lighting setup on your specific truck, especially if it has been modified or converted with aftermarket parts. Halogen bulbs such as the 9007, 9004, 3157A, 3157R, 1157, 1156, 921, 194, 168, and related interior and indicator bulbs may be replaced with LED equivalents, but LED swaps can change brightness, beam pattern, or warning behavior. If your Ram 2500 has been fitted with aftermarket housings, trailer wiring changes, or custom lighting conversions, the listed bulb size may still be correct while the base style or polarity needs extra attention. Before ordering, remove the installed bulb and check the number printed on the base whenever possible, since that is the most reliable way to confirm fitment on a 2001 Dodge Ram 2500.
The listed low beam headlight bulb is 9007. Some pages also show a 9004 option for combined high beam and low beam setups, so verify what is installed on your truck before ordering.
The high beam bulb is listed as 9004. If your truck uses a different headlamp configuration, compare the installed bulb and housing to the chart before replacing both sides.
The front turn signal bulb is 3157A. That same bulb size is also listed for the front parking light and front side marker positions.
The chart lists 3157R for the rear brake and tail light positions as one option, and 1157 for the tail light and brake light positions as another option. Check the bulb already in the socket to confirm which version your truck uses.
The back up reverse light bulb is 1156. This is a common single-filament bulb used in the reverse lamp position on the 2001 Dodge Ram 2500.
Two license plate bulb options are listed: 168 and 97. The correct one depends on the specific lamp setup, so verify the installed bulb or housing style before purchase.
The dome light bulb is 579, and the map light bulb is 212-2. These are separate positions, so it is best to match each bulb by location instead of assuming they are interchangeable.
Instrument panel lighting can vary, with 158, PC74, and PC194 listed for different positions or options. Because dash lighting often differs by trim and cluster setup, check the exact socket location and the old bulb number.
The front fog light bulb is 896. If your Ram 2500 does not have factory fog lamps, this position may be unused.
The center high mount stop light bulb is 921. This same bulb is also listed for the trunk or cargo area light position on this page.
Yes, many owners upgrade to LED bulbs, but fitment and performance can change. Make sure the LED matches the socket size, check polarity for interior lights, and confirm that the beam pattern works properly in headlight and signal housings.
Some lighting positions have multiple listed bulb sizes because trim, body style, market, or previous repairs can change what is installed. The chart helps narrow the options, but the bulb currently in the truck is the best final reference.