The typical 2015 RAM 1500 with standard halogen headlights uses H11 for low beams and 9005 for high beams, with fog lights usually rated H11 if equipped; rear lighting generally relies on 3157 bulbs for tail/stop and 921 for reverse. Exact bulb types can vary by trim and optional equipment, especially if HID or LED headlamps are installed.
Understanding exactly which bulbs your specific truck requires can depend on the trim level and any factory options. This guide breaks down the common configurations and how to verify the precise bulbs for your vehicle.
Headlights and exterior lighting
The following list covers the bulbs used by headlights or other common exterior lighting on a typical halogen-equipped 2015 RAM 1500. If your truck has HID or LED headlights, the bulb types will be different and usually indicated in the owner's manual.
- Headlights — Low beam: H11
- Headlights — High beam: 9005 (HB3)
- Front fog lights (if equipped): H11
- Front turn signals/side markers: typically a dual-filament bulb such as 3157 or similar, depending on market and trim
Note: The exact bulb numbers can vary by trim level and optional equipment; always verify by checking the bulb base or the vehicle’s bulb chart printed near the fuse box, or in the owner’s manual.
Rear exterior and license lighting
For the rear lighting, RAM trucks commonly use widely available automotive bulbs, with variations by year and trim. The following are typical candidates you may encounter when replacing rear bulbs.
- Taillights/brake/turn: 3157 (dual-filament; red lenses; amber variants may appear on some builds)
- Reverse lights: 921
- License plate light: 194 (or an equivalent wedge bulb, depending on the build)
Because rear lighting configurations can differ with a specific truck’s package, check by removing a bulb to read the stamping, or consult the owner’s manual or a parts database with your VIN for precision.
Interior and cabin illumination
The cabin uses standard wedge bulbs for map lights, dome lights, and courtesy lamps. Bulb sizes can vary by trim, but the most common options are in the 194/168 family. Always confirm by inspecting the existing bulbs or the vehicle’s bulb chart.
- Map lights / dome lights: typically 194 or 168 wedges
- Reading and courtesy lamps: often 194/168 family bulbs
Note: Some trims with upgraded interiors or LED packages may differ; refer to the manual for exact replacements or consider contacting a dealer or auto parts store with your VIN.
What to do next
Because bulb configurations can vary by trim, options, and production year, the safest approach is to verify with the owner’s manual or a parts counter using your exact VIN. You can also remove a bulb and read the stamping to match the base, or bring the vehicle to a parts store for a precise match.
Bottom line: For most 2015 RAM 1500 trucks with halogen headlights, plan for H11 (low beam), 9005 (high beam), H11 (fog lights if equipped), and 3157/921/194 family bulbs for rear and interior lighting. Always double-check against your specific build to ensure compatibility.
Summary
In practical terms, the common bulb types you’ll encounter on a 2015 RAM 1500 are H11 for low beams, 9005 for high beams, H11 for fogs (if your model has them), 3157 for rear tail/brake lights, 921 for reverse lights, and 194/168 for interior lighting. Variations exist based on trim, options, and whether HID/LED headlights were installed, so confirm with your manual or a parts professional for your exact vehicle.