Best Incandescent Side Marker Light Assemblies of 2026

Partsam offers a 5-pack of red LED sealed 2" round clearance side marker lights, along with grommets and pigtails for easy installation. The flush mount lights are waterproof, submersible and serve as either side marker or clearance lights. The 2-wire connection makes installation simple, with black being the negative and red being the positive. These lights are perfect replacements for incandescent lights, with dimensions of outer diameter 2.5", inner diameter 2", high diameter 0.75" (with grommet), and drilling holes of 2-5/16". They are universally compatible with any DC12V vehicle, including semi trucks and trailers, service trucks, buses, utility trailers, and more.

The Partsam Amber LED Markers come as a set of 10 bright 2-inch round amber lights, perfect for upgrading your vehicle’s side markers and turn signals. These lights use 9 powerful LEDs each, combined with a special reflector design to boost brightness, making your vehicle more visible from different angles. They serve as a great replacement for older incandescent lights, helping to refresh your truck or trailer’s appearance. These versatile lights can be installed on many types of vehicles including trucks, trailers, and RVs, and work well as side markers, turn signals, or clearance lights. Note that rubber grommets and wire connectors are not included.

The EclatLights LED Trailer Markers come in a convenient 10-pack with 5 amber side markers and 5 red clearance lights, making them perfect for trucks and trailers that require both colors. These lights are fully waterproof and dustproof with an IP67 rating, so you don’t have to worry about damage from weather or rough conditions. Installation is simple with a flush mount design and included grommets and pigtails, allowing you to easily drill the right size hole and connect without special tools. Plus, they run on a universal 12V system, fitting a wide range of vehicles and instantly upgrading your old bulbs to bright, energy-saving LEDs for safer night driving.

The PVerandio 2.5" LED Markers are compact and easy to install side marker lights designed for trailers, trucks, and RVs. Their 2.5-inch size fits well in limited spaces, and you’ll need to drill a hole just under 2.7 inches to mount the included rubber grommets securely. These lights feature 13 ultra-bright red LEDs that provide strong visibility, helping you stay seen on the road. Installation is simple and quick with standard 2-prong plugs and no screws required—just press the light into the grommet. If needed, warm the grommet with hot air for easier fitting. These features make the lights both user-friendly and highly effective for safer driving.

These Partsam LED Marker Lights come in a pack of two, featuring 9 diodes each. They serve as side marker or clearance lights when properly installed. The bright amber light with miro-reflex reflectors ensures visibility in limited spaces. Versatile usage allows for installation as either side markers or clearance lights. Ideal for various truck trailer parts due to their universal fit. Waterproof with a 1-year warranty, these lights are durable and reliable for your vehicle.

The PVerandio 2" LED Marker Lights are designed to fit trailers with a 2 to 2-5/16 inch hole, making installation simple whether your trailer already has the right size hole or you need to drill one. The set includes five amber and five red lights, perfect for replacing old incandescent bulbs and ensuring your trailer is clearly visible. With nine bright LED beads and multi-faceted reflectors, these lights offer excellent brightness to improve your vehicle's visibility on the road. Installation is easy thanks to the included grommets, pigtails, and standard 2-prong plugs, letting you mount the lights securely without any screws.

The PVerandio LED Trailer Lights offer a reliable lighting solution for your trailer or vehicle. Each package includes two 6.5-inch oval amber LED lights with 24 bright LEDs, along with rubber grommets and 3-prong wire pigtails for easy installation. The wiring is clearly marked, so you can connect the ground, high brightness, and low brightness wires without hassle. These lights serve as both turn signals and marker lights, providing versatility for your needs. Plus, they use LED bulbs that are brighter, consume less power, and heat up less compared to traditional bulbs, giving you better visibility and energy efficiency. With an IP67 waterproof rating, these lights protect against water, dirt, and dust, so you can drive confidently in all weather conditions.