
AUTOONE 9006/HB4 LED Bulbs, 70000LM 1200% Ultra Bright, R...
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Used for: Fog Light Bulb Front
Used for: Headlight Bulb High Beam and 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, Trunk or Cargo Area Light
Used for: License Plate Light Bulb
Used for: Parking Light Bulb, Turn Signal Light Bulb Front
Used for: Roof Marker Light Bulb, Map Light Bulb(Compare to original - Option 1)
Used for: Turn Signal Light Bulb Rear
Used for: Dome Light Bulb(Compare to original - Option 1)
Used for: Dome Light Bulb(Compare to original - Option 2)
Used for: Engine Compartment Light Bulb
Used for: Map Light Bulb(Compare to original - Option 2)
This page for the 2003 Dodge Ram 3500 helps you verify bulb sizes by lighting position, so you can match the right replacement before you buy. Use it as a quick reference for headlights, marker lights, interior lamps, brake lights, reverse lights, and other exterior or cabin bulbs on this truck.
Because trim level, body style, and lighting package can vary, the same 2003 Dodge Ram 3500 may use different bulb types in some positions. Checking the bulb chart by location is the easiest way to avoid ordering the wrong part and to keep your repair simple.
For the best fitment results, compare the bulb listed on this page with the one already installed in your truck, especially if your Ram 3500 has been modified or uses an aftermarket lighting setup. Halogen and LED replacements may fit the same socket differently in practice, and some LED conversions can change beam pattern, brightness, or warning behavior. If your truck has had previous repairs, custom housings, or upgraded lamps, confirm the installed bulb before purchase rather than relying only on the model year. This is especially useful for positions that can vary by package, such as map lights, dome lights, roof marker lights, and fog lights.
The headlight bulb listed for the 2003 Dodge Ram 3500 is 9007 for both high beam and low beam applications.
Both the front turn signal light and the front parking light use 4157NA on this page.
The rear turn signal light bulb is listed as 3057A.
The brake light bulb and the tail light bulb are both listed as 3057R.
The back up reverse light bulb is listed as 3057.
The center high mount stop light bulb is listed as 912.
The license plate light bulb is listed as 168.
Two map light options are shown on this page: 194 for option 1 and 212-2 for option 2.
Two dome light options are listed: 578 for option 1 and 579 for option 2.
The roof marker light bulb is listed as 194.
The engine compartment light bulb is listed as 561.
Not always. Trim, body style, and lighting package can change the bulb used in some positions, so it is smart to verify the exact lamp on your truck.
Yes, many positions can be converted to LED, but fitment and light output can differ from halogen bulbs. Always confirm the bulb base and check that the LED works properly in the housing.
Checking the installed bulb helps catch prior repairs, aftermarket conversions, and package differences. It is the most reliable way to confirm the correct replacement for your specific truck.