Bargman Clearance & Marker Lights - Incandescent

Bargman Incandescent Clearance & Marker Lights: Dependable Visibility for Your Trailer

When it comes to keeping your trailer road-legal and visible to other drivers, few names carry as much history or reliability as Bargman. Their line of incandescent clearance and marker lights represents a time-tested approach to trailer lighting — straightforward engineering, durable materials, and consistent performance that trailer owners have trusted for decades.

What Sets Bargman Incandescent Marker Lights Apart

Bargman's incandescent clearance and marker lights are purpose-built for trailer applications, and the details show it. Each light serves a dual role — functioning as both a clearance light and a side marker light when properly mounted, giving you two functions in a single, compact housing.

One of the most practical features across Bargman's incandescent marker light lineup is the built-in reflex reflector. The built-in reflex reflector removes the need for a separate reflector , simplifying installation and reducing the number of separate components you need to manage on your trailer. This integration is especially valuable during replacements or retrofits, where fewer parts means a faster, cleaner job.

The housings on Bargman's incandescent marker lights are constructed from a rugged ABS base with an acrylic snap-on reflex lens , striking the right balance between impact resistance and ease of maintenance. The snap-on lens design means servicing the bulb doesn't require tools or disassembly of the entire fixture. The molded socket protects the bulb from road shock and uses two wires to eliminate surface ground, while the molded grommet extends through the skin to protect the wiring — thoughtful details that extend the working life of the light in the harsh environment under a trailer.

Series Lines & Sizing Options

Bargman offers their incandescent clearance and marker lights in a range of sizes to suit different trailer types and mounting locations. Common form factors include a 4" x 2" oblong profile and a 3-7/8" x 1-7/8" rectangle , making it easy to find a direct match for an OEM replacement or a clean new install. Both amber and red lens versions are available, conforming to standard front and rear marker light color conventions.

Bargman's Series #178 and Series #59 are among the most recognized product lines in this category. The Series #59 lights, for example, feature a surface-mount design with a 2-wire design, P2 rating, and a 194 bulb . The P2 rating is a key specification: a P2 rated light produces a 45-degree angle of light to either side of its center line for a total of 90 degrees of coverage , ensuring the trailer is visible across a wide range of viewing angles — an important safety factor for highway driving.

For trailers that require a combined fender-mount solution, Bargman also offers a combination side marker light and clearance light that installs on the trailer fender, featuring both an amber and a red lens in a single unit.

Why Choose Incandescent for Your Trailer?

Incandescent clearance and marker lights remain a popular choice for trailer owners who value straightforward bulb replaceability and broad compatibility with existing wiring harnesses. The incandescent bulb can be easily replaced , making trailside repairs simple without specialized tools or equipment. For those maintaining older trailers or working within a tight budget, Bargman's incandescent offerings deliver reliable, DOT-compliant visibility without overcomplicating the job.

Whether you're restoring a vintage camper, replacing worn-out marker lights on a utility trailer, or stocking up for fleet maintenance, Bargman's incandescent clearance and marker light lineup offers a dependable, field-proven solution. Browse the full selection to find the right size, lens color, and series for your application.