Optronics MC57RBP 2-1/2" Round Red Incandescent Marker/Clearance Light with Reflex Lens

The Optronics MC57RBP is a 2-1/2" round, sealed incandescent side marker and clearance light designed for trailers, trucks, and commercial vehicles. Built to withstand harsh environments, this compact light delivers reliable visibility in a durable, moisture-resistant package.

Key Features:

• Dual-function design — serves as both a clearance light and a side marker light depending on mounting position
• Built-in reflex reflector — integrated directly into the red polycarbonate lens, eliminating the need for a separate reflector
• Sonically sealed housing — fully submersible and waterproof construction keeps moisture out even when submerged
• DOT/FMVSS P2 rated — meets federal motor vehicle safety standards for clearance and marker lighting
• Recessed grommet mount — fits standard 2-1/2" round grommet opening (grommet sold separately); accepts standard PL-10 2-prong plug connection
• Polycarbonate housing and lens — impact-resistant construction stands up to vibration and road debris
• Low current draw — operates at 12V with only 0.2A draw
• 90° beam pattern — 45° to each side of centerline for wide-angle visibility
• Replaceable incandescent bulb — easy maintenance with accessible bulb replacement
• 3-year warranty

Cross-References: Uni Bond #SR2500R, Wesbar #223224, Truck-Lite #10205R, Grote #45812, Peterson #143R

The MC57RBP is the polypack (retail packaged) version of the MC57RB, ideal for trailers, RVs, utility trucks, step vans, and other commercial or recreational vehicles requiring compact, DOT-compliant marker lighting.