What Size Bulbs Does a 2015 RAM Promaster 2500 Use?
Correct headlight, fog light, and tail light bulb sizes. Sourced from OEM catalog data.
Installation Difficulty
Easy (Plug and Play)
Est. Replacement Cost
$15 - $40 (Halogen) / $30+ (LED)
What Lighting System Does the 2015 RAM Promaster 2500 Have?
The 2015 RAM Promaster 2500 features an extensive lighting system with 12 bulb positions. It uses halogen technology with a single H7 LED dual-filament bulb handling both low and high beams. The Promaster 2500 has been available from 2014 to 2016, and the 2015 model falls in the mid-generation years.
Can You Put LED Bulbs in a 2015 RAM Promaster 2500?
Upgrading the 2015 RAM Promaster 2500 to LED headlights is straightforward since it uses a single H7 LED dual-filament bulb for both low and high beams. You only need one pair of LED bulbs to upgrade both functions. Look for a H7 LED LED kit that specifically supports dual-filament operation to ensure both beams work correctly. For the fog lights, a H11 LED LED bulb provides a clean white output that pairs well with LED headlights.
How to Replace Bulbs on a 2015 RAM Promaster 2500
The H7 bulb uses a spring clip or wire retainer that holds the bulb in the socket. To remove the old bulb, disconnect the wiring harness first, then twist the bulb counter-clockwise and pull it out. Older model years like the 2015 Promaster 2500 typically offer easy access to the headlight bulbs from behind the headlight assembly under the hood. Most owners can complete the swap in under 10 minutes per side. When installing the new bulb, avoid touching the glass with bare fingers. Skin oils create hot spots that shorten bulb life. Wear clean gloves or handle the bulb by its plastic base only. The fog lights are accessed from underneath the front bumper. You may need to remove a few plastic clips or screws from the fender liner to reach the H11 LED fog light socket.
Full Upgrade Bundle
Upgrade All 12 Positions at Once
2015 RAM Promaster 2500 Complete Bulb Size Chart
| Position | Bulb Size | Shop |
|---|---|---|
Low Beam | H7 LED | Buy H7 LED |
High Beam | H7 LED | Buy H7 LED |
Fog Light | H11 LED | Buy H11 LED |
Brake Light | 921 | Buy 921 |
Dome Light | 6418 | Buy 6418 |
Side Marker | 2821 | Buy 2821 |
Turn Signal Front | 7444NA | Buy 7444NA |
License Plate | 6418 | Buy 6418 |
Parking Light | 7444NA | Buy 7444NA |
Turn Signal Rear | 7440A | Buy 7440A |
Reverse Light | 921 | Buy 921 |
Trunk Light | 6418 | Buy 6418 |
Want to upgrade everything at once?
Shop Complete LED Kit for 2015 RAM Promaster 2500How Long Do 2015 RAM Promaster 2500 Headlight Bulbs Last?
Standard halogen headlights on the 2015 RAM Promaster 2500 have an expected lifespan of 500 to 1,000 hours, which works out to roughly 2 to 3 years of normal use. Signs of a failing halogen bulb include noticeably dimmer output, a yellowish tint compared to the other headlight, or intermittent flickering. At 11 years old, the original bulbs on your Promaster 2500 are likely overdue for replacement. Even if they still illuminate, reduced brightness significantly impacts nighttime safety. When one headlight burns out, replace both sides at the same time. Bulbs from the same batch age at similar rates, and mismatched brightness is distracting to oncoming drivers.
What Bulbs Are Compatible with the 2015 RAM Promaster 2500?
The H7 low beam bulb on the 2015 RAM Promaster 2500 is a specific fitment. There are no widely recognized cross-compatible alternatives, so make sure to purchase the exact H7 size. Using the wrong bulb size can cause improper beam patterns that reduce your visibility and blind other drivers. It can also cause overheating inside the headlight housing, potentially warping the plastic lens or reflector. Always verify the bulb number before purchasing.
2015 RAM Promaster 2500 Headlight FAQ
Did RAM Promaster 2500 Bulb Sizes Change Over the Years?
The RAM Promaster 2500 has maintained consistent bulb sizes across all model years from 2014 to 2016. The low beam has used a H7 LED bulb throughout, which means replacement parts and LED upgrade kits are widely available and well-tested for this model. If you find a deal on bulbs for any Promaster 2500 year in this range, they will fit your 2015 model.
Other Promaster 2500 Years
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Other Vehicles That Use H7 LED Bulbs
These vehicles from other makes also use a H7 LED low beam bulb: