2017 RAM 1500 bulb fitment varies by headlight design. The high beam uses a 9005 bulb. For the low beam, use 9005 with projector-type headlights, while non-projector headlights use H11. H11 is also listed as a general low-beam fitment, so confirm the installed headlight assembly before ordering.
- Front turn signal and parking bulbs vary by configuration: 3157 with two headlights, 3157A with four headlights, and LED with projector-type headlights. Non-projector setups use 3157A.
- Projector-type assemblies use LED for the front and rear side markers, brake lights, tail lights, and rear turn signals. Non-projector versions use 3157A front side markers, 3057A rear side markers, 3157R brake and tail lights, and 3157 rear turn signals.
- Reverse lighting is 7440 with projector-type headlights and 921 without them. The center stop light uses 921.
- Common interior fitments include 578 for the dome light, 212-2 or 578 for map lights, and 561 for the engine compartment.