2019 Jeep Wrangler JL Bulb Sizes Reference

Quick Reference: 2019 Jeep Wrangler JL Bulb Sizes

The 2019 Jeep Wrangler JL, part of the fourth generation of this iconic off-roader, offers a range of lighting options depending on the trim level and optional equipment. It's crucial to identify your specific setup when considering bulb replacements or upgrades.

Halogen vs. LED OEM Differences

From the factory, the 2019 Wrangler JL was available with two primary lighting configurations:

• Halogen Lighting (Standard on Sport, Sport S): These models typically came equipped with traditional halogen bulbs for the headlights, fog lights, and most exterior and interior lighting. Halogen headlights will use H11 for low beams and H9 for high beams. Fog lights are usually H16. Front turn signals and DRLs (integrated) often use a 7443 bulb.
• Premium LED Lighting Group (Optional on Sport S, Standard on Sahara, Rubicon): Vehicles with this package feature full LED headlights, fog lights, and often LED tail lights. If your Wrangler has bright white, crisp headlights and fog lights, you likely have the OEM LED setup. In this case, the individual LED components are not typically user-replaceable with standard bulbs; instead, you would replace the entire LED assembly if a failure occurs. The DRLs on LED-equipped models are typically separate LED strips or rings, distinct from the turn signals.

For rear lighting, many 2019 Wranglers will have halogen bulbs for the rear turn signals (7440A), brake lights (7443), tail lights (7443), and reverse lights (921). However, the optional LED tail light package replaces these with non-serviceable LED units.

Interior lighting, such as the dome and map lights, typically uses standard halogen equivalents like 578 festoon bulbs for the dome and 2825 wedge bulbs for the map lights, regardless of exterior lighting packages.

LED vs. Halogen Upgrade Considerations

Upgrading your 2019 Jeep Wrangler JL's halogen bulbs to LEDs can significantly improve light output, modernize the vehicle's appearance, and reduce power consumption. However, there are several key points to consider:

• CANBUS Errors: The Wrangler JL's advanced electrical system is sensitive to changes in power draw. Swapping halogen bulbs for lower-wattage LEDs can trigger