Why Most RAM 2500/3500 Owners End Up Upgrading Their Bulbs
Many Ram HD owners report the same issues with factory halogen lighting—dim output, poor night visibility, and unsafe performance in rural or unlit roads. Upgrading to a high-quality LED setup not only improves clarity and safety, but also provides a modern, cleaner look that matches the truck’s rugged design.
In this guide, we'll help you quickly and easily find the replacement bulb size(s) you need for your 2019, 2020, 2021, 2022, 2023, and 2024 RAM 2500 & 3500 (5th Generation). From the headlights to the tail lights and everything in between.
This guide covers all sub-models and trims (Tradesman, Big Horn, Lone Star, Laramie, Longhorn, Limited, and Power Wagon).
We organized all the bulbs into 4 lighting categories with easy-to-read charts. Select any category below to jump right to the bulb size chart you’re looking for:
- Headlight Bulb Sizes
- Fog Light Bulb Sizes
- Brake & Tail Light Sizes
- Turn Signal & Marker Bulb Sizes
2019–2024 RAM 2500/3500 – Headlight Bulb Sizes (Low & High Beam)
⚠️ Reminder for Big Horn / Lone Star Owners:
From 2019–2024, the Ram 2500 Big Horn/Lone Star trims may come equipped with either halogen or factory LED fog lights depending on the specific package. Please double-check your specific truck before purchasing replacement bulbs. You can confirm by visually inspecting the headlight housing (reflector vs. projector lens), checking your owner’s manual, or verifying with your VIN.
Many RAM 2500/3500 owners report a dramatic difference in nighttime visibility after switching to LED low and high beams—especially when driving on rural or unlit roads.
| Year&Trim | Position | Bulb Size | Type | Upgrade Avail. |
| 2019–2024 RAM 2500 /3500 Tradesman | Low Beam | H8/9/11 | Halogen | Yes |
| High Beam | 9005 | Halogen | Yes | |
| 2019–2024 RAM 2500/3500 Big Horn / Lone Star | Low Beam | H8/9/11 | Halogen | Yes |
| High Beam | 9005 | Halogen | Yes | |
| 2019–2024 RAM 2500/3500 Laramie/Rebel/Power Wagon/Big Horn/Lone Star | Low Beam | Factory LED Projector | LED | No |
| High Beam | Factory LED Projector | LED | No | |
| 2019–2024 RAM 2500/3500 Limited Longhorn/Limited | Low Beam | Factory LED Projector | LED | No |
| High Beam | Factory LED Projector | LED | No |
2019 to 2024 RAM 2500/3500 - Fog Light Bulb Sizes
⚠️ Reminder for Big Horn / Lone Star Owners:
From 2019–2024, the Ram 2500 Big Horn/Lone Star trims may come equipped with either halogen or factory LED fog lights depending on the specific package. Please double-check your specific truck before purchasing replacement bulbs. You can confirm by visually inspecting the fog light housing (reflector vs. LED module), checking your owner’s manual, or verifying with your VIN.
| Year&Trim | Position | Bulb Size | Type | Upgrade Avail. |
| 2019–2024 RAM 2500/3500 Tradesman | Fog Light | No | No | No |
| 2019–2024 RAM 2500/3500 Big Horn / Lone Star | Fog Light | H8/9/11 | Halogen | Yes |
| 2019–2024 RAM 2500/3500 Laramie/Rebel/Power Wagon/Big Horn/Lone Star | Fog Light | Factory LED Projector | LED | No |
| 2019–2024 RAM 2500/3500 Limited Longhorn/Limited | Fog Light | Factory LED Projector | LED | No |
2019 to 2024 RAM 2500/3500 - Brake & Tail Lights Bulb Sizes
⚠️ Reminder for Big Horn / Lone Star Owners:
From 2019–2024, the Ram 2500 Big Horn/Lone Star trims may come equipped with either halogen or factory LED brake & tail lights depending on the specific package. Please double-check your specific truck before purchasing replacement bulbs. You can confirm by visually inspecting the tail light housing (bulb-based vs. full LED assembly), checking your owner’s manual, or verifying with your VIN.
|
Year&Trim |
Position |
Bulb Size |
Type | Upgrade Avail. |
| 2019–2024 RAM 2500/3500 Tradesman |
Brake&Tail Lights |
7443 |
Halogen | Yes |
| 2019–2024 RAM 2500/3500 Big Horn / Lone Star |
Brake&Tail Lights |
7443 |
Halogen | Yes |
| 2019–2024 RAM 2500/3500 Laramie/Rebel/Power Wagon/Big Horn/Lone Star |
Brake&Tail Lights |
Factory LED Projector |
LED | No |
| 2019–2024 RAM 2500/3500 Limited Longhorn/Limited |
Brake&Tail Lights |
Factory LED Projector |
LED | No |
|
Year&Trim |
Position |
Bulb Size |
Type |
Upgrade Avail. |
| 2019–2024 RAM 2500/3500 Tradesman |
3rd Brake Lights |
T15R |
Halogen | Yes |
| 2019–2024 RAM 2500/3500 Big Horn / Lone Star |
3rd Brake Lights |
T15R |
Halogen | Yes |
| 2019–2024 RAM 2500/3500 Laramie/Rebel/Power Wagon/Big Horn/Lone Star |
3rd Brake Lights |
T15R |
Halogen | Yes |
| 2019–2024 RAM 2500/3500 Limited Longhorn/Limited |
3rd Brake Lights |
T15R |
Halogen | Yes |
2019 to 2024 RAM 2500/3500 – Turn Signal & Marker Bulb Sizes
|
Year&Trim |
Position |
Bulb Size |
Type |
Upgrade Avail. |
| 2019–2024 RAM 3500 Tradesman |
Front Turn Signal&Parking Lights |
7443 |
Halogen |
Yes |
| 2019–2024 RAM 3500 Big Horn / Lone Star |
Front Turn Signal&Parking Lights |
7443 |
Halogen |
Yes |
| 2019–2024 RAM 3500 Laramie |
Front Turn Signal&Parking Lights |
7443 |
Halogen |
Yes |
| 2019–2024 RAM 3500 Limited Longhorn/Limited |
Front Turn Signal&Parking Lights |
Factory LED Projector |
LED | No |
|
Year&Trim |
Position | Bulb Size | Type | Upgrade Avail. |
| 2019–2021 RAM 3500 Tradesman | Rear Turn Signal Lights | 7443 | Halogen | Yes |
| 2022–2024 RAM 3500 Tradesman | PW24W | |||
| 2019–2021 RAM 3500 Big Horn / Lone Star |
Rear Turn Signal Lights | 7443 | Halogen | Yes |
| 2022–2024 RAM 3500 Big Horn / Lone Star | PW24W | |||
| 2019–2024 RAM 3500 Laramie | Rear Turn Signal Lights | Factory LED Projector | LED | No |
| 2019–2024 RAM 3500 Limited Longhorn/Limited | Rear Turn Signal Lights | Factory LED Projector | LED | No |
Alex Thompson
