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Used for: Fog Light Bulb Front(with projector-type headlights)
Used for: Fog Light Bulb Front(without projector-type headlights)
Used for: Fog Light Bulb Front(without projector-type headlights)
Used for: Headlight Bulb High Beam
Used for: Headlight Bulb Low Beam(with projector-type headlights)
Used for: Headlight Bulb Low Beam(without projector-type headlights)
Used for: Back Up Reverse Light Bulb (with projector-type headlights)
Used for: Back Up Reverse Light Bulb (without projector-type headlights), Center High Mount Stop Light Bulb, Trunk or Cargo Area Light
Used for: Brake Light Bulb(without projector-type headlights), Tail Light Bulb(without projector-type headlights)
Used for: License Plate Light Bulb, Glove Box Light Bulb
Used for: License Plate Light Bulb, Glove Box Light Bulb
Used for: Parking Light Bulb(without projector-type headlights), Side Marker Light Bulb Front(without projector-type headlights), Turn Signal Light Bulb Front(without projector-type headlights)
Used for: Side Marker Light Bulb Rear(without projector-type headlights)
Used for: Turn Signal Light Bulb Rear(without projector-type headlights)
Used for: Engine Compartment Light Bulb
Used for: Map Light Bulb
This 2015 RAM 2500 bulb size guide helps you verify the correct bulbs by lighting position, so you can match the right part before you buy. Because trim level, lighting package, market, and body style can change the fitment, it is important to check each lamp location separately instead of assuming one bulb works everywhere.
On this page, you can look up common exterior and interior bulb sizes for the 2015 RAM 2500, including headlights, brake lights, turn signals, reverse lights, license plate lights, map lights, and cargo-area lighting. Use the bulb chart to compare projector-type and non-projector-type headlamp setups and confirm the correct bulb for your truck.
For the best fit, compare your truck’s trim and lighting package with the chart, since halogen and LED-equipped setups can use different bulb types and different housings. If you are converting to aftermarket LED bulbs, make sure the bulb base matches and that the bulb will physically fit the socket and housing; some conversions also need resistors or other accessories to avoid warning lights or fast flashing. Before ordering, it is smart to remove the installed bulb and read the part number on the base, especially for positions that may vary between projector and non-projector headlights or between rear lamp configurations.
The low beam bulb size is H11 for 2015 RAM 2500 models without projector-type headlights.
The low beam bulb size is 9012 for 2015 RAM 2500 models with projector-type headlights.
The high beam bulb size is 9005.
The center high mount stop light uses a 921 bulb.
Without projector-type headlights, the back up reverse light bulb is 921.
With projector-type headlights, the back up reverse light bulb is 7440.
For trucks without projector-type headlights, the front fog light bulb can be 9145 LED or 9140 LED.
For trucks with projector-type headlights, the front fog light bulb is listed as 9006 LED.
Both the license plate light and glove box light use 194 or 7441 bulbs.
The map light bulb size is 578.
The engine compartment light bulb is 561.
No. On non-projector setups, the rear turn signal bulb is 3157 and the tail light bulb is 3157R. On projector-type setups, the rear turn signal, tail light, brake light, and related rear lamp positions are listed separately and should be matched by the exact lighting configuration.
The 2015 RAM 2500 uses different bulb sizes depending on the exact lamp location and headlight type, so checking by position helps prevent ordering the wrong part.
Yes, many owners upgrade to LED bulbs, but the bulb base, fitment, and electrical compatibility still need to match the truck’s housing and trim package.