Protect and secure your trailer lighting with this Heavy-Duty Steel Trailer Light Mounting Box, designed to house a 6.5" oval trailer light and a 2.5" marker light. Built from 1/8" thick raw steel, this rugged mounting box shields your trailer lights from road debris, impacts, and harsh towing conditions. Perfect for utility trailers, equipment trailers, car haulers, dump trailers, and flatbed trailers, this light box ensures your lights remain properly positioned and protected while maintaining DOT-compliant visibility on the road. The open-back design allows easy access to wiring, making installation, maintenance, and light replacement simple. Whether you choose to weld or bolt the box to your trailer frame, this versatile mounting solution provides reliable support for your lighting system. Compact yet durable, the 8" x 4" x 3" steel housing fits a wide variety of trailer builds while adding critical protection to your trailer lighting components. Key Features Fits 6.5" Oval & 2.5" Marker LightsDesigned to hold a standard 6.5" oval trailer tail light and 2.5" round marker light. Heavy-Duty 1/8" Raw Steel ConstructionDurable steel protects lights from impacts, debris, and rough road conditions. Open Back Design for Easy WiringAllows quick access to electrical wiring for installation and service. Weld On or Bolt-On InstallationFlexible mounting options make it ideal for trailer builds, repairs, or upgrades. Improves Trailer SafetyKeeps lights securely mounted and properly positioned for reliable visibility. Common Trailer Applications This steel light box is commonly used on: Utility trailers Equipment trailers Car haulers Dump trailers Landscape trailers Flatbed trailers Custom trailer builds Compatible with most standard 6.5" oval trailer tail lights and 2.5" round marker lights. Specifications Specification Details Product Type Trailer Light Mounting Box Light Compatibility 6.5" Oval Light + 2.5" Marker Light Material 1/8" Thick Raw Steel Length 8 inches Height 4 inches Depth 3 inches Mounting Type Weld On or Bolt-On Wiring Access Open Back Recommended Trailer Lighting Components Pair this mounting box with compatible trailer lighting components for a complete lighting setup. Trailer Electrical & Lighting Browse trailer lights, wiring, and electrical parts:https://aaatrailer.com/collections/trailer-electrical Trailer Tail Lights Find compatible oval LED trailer tail lights:https://aaatrailer.com/collections/trailer-electrical Trailer Marker Lights Side marker lights and clearance lights for improved visibility:https://aaatrailer.com/collections/trailer-electrical Why Use a Trailer Light Mounting Box? Trailer light boxes protect your lighting system from damage caused by road debris, impacts, or loading equipment near the rear of your trailer. Installing steel light boxes helps: Protect trailer lights from impacts Maintain proper light alignment Reduce costly light replacements Improve trailer safety and visibility These boxes are commonly used on commercial trailers and heavy-duty equipment trailers where lights need additional protection. Trailer Parts from AAA Trailer AAA Trailer supplies high-quality trailer parts and accessories for trailer owners, repair shops, and trailer manufacturers across the United States. Our inventory includes trailer lighting, suspension components, wheels, electrical parts, and hardware designed to keep your trailer operating safely and reliably. π Call/Text: 517-225-1991 π AAATrailer.com