21 LED 4″ GloLight Back-Up Light – White LED / Patented Glow Effect
Product Overview
Upgrade your reverse lighting with the stylish and powerful 21 LED 4″ GloLight Back-Up Light. Featuring a patented GloLight design (US9,062,845B1), this innovative light combines high-output LEDs with a smooth, glowing perimeter effect that enhances both visibility and aesthetics. Built with a sonically sealed polycarbonate lens and fully epoxy-sealed electronics, it’s designed to withstand moisture, road debris, and daily wear. DOT/SAE FMVSS 108 compliant and IP67 water resistant, this light delivers top-tier performance for trucks, trailers, and commercial vehicles running on 12V DC systems.
Key Features & Benefits
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21 Bright White LEDs: Provides reliable and intense illumination for safe reversing in low-light conditions.
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Patented GloLight Design: Vivid glow ring perimeter gives a modern, eye-catching effect while improving side visibility.
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Sealed for Long-Term Durability: Polycarbonate lens is sonically sealed; internal electronics are fully epoxy-coated for protection against water and corrosion.
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Standard 3-Pin Connection: Rear housing includes a 3-pin female terminal for easy wiring into 12V DC systems.
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Recommended Accessories (Sold Separately):
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3-Pin Male Plug: Item #34212 or Item #34216
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DOT/SAE Certified: Meets FMVSS 108 for legal road use as a back-up light.
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IP67 Rated: Dustproof and waterproof for all-weather performance.
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Lifetime Warranty: Manufacturer-backed for long-term confidence and reliability.
Expanded Benefit Section
The 21 LED 4″ GloLight Back-Up Light blends performance and style with its patented glowing perimeter and powerful white LED output. It not only increases visibility behind your vehicle but also provides a unique, polished appearance for fleet or personal applications. Ideal for trucks, trailers, and utility vehicles, this light is engineered with sealed components to prevent water intrusion, ensuring dependable operation in even the harshest environments. Quick to install with standard connectors and grommet mounts, it’s a perfect choice for drivers seeking both functionality and form.
Vehicle Compatibility
Designed for use with 12V DC systems on:
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Semi trucks and trailers
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Box trucks and flatbeds
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Service and fleet vehicles
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Agricultural and industrial equipment
Technical Specifications
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Item Number: 37008
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Light Type: Back-Up / Reverse
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LED Count: 21 White LEDs
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Lens: Clear Polycarbonate with GloLight Glow Ring
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Lens Material: Sonically Sealed Polycarbonate
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Housing: Rear Plastic with 3-Pin Female Contact Terminal
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Voltage: 12V DC
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Compliance: DOT/SAE, FMVSS 108
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Water Resistance: IP67 Rated
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Warranty: Lifetime Warranty
What’s Included
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1x 21 LED 4″ GloLight Back-Up Light
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(Connector and grommet sold separately)
Warranty
Lifetime Warranty – Manufacturer-backed for durability and performance that lasts.
Stylish Glow. Superior Performance. Built to Endure.
Bring safety and style to your reverse lighting with the 21 LED 4″ GloLight Back-Up Light. With its patented glow effect, sealed construction, and DOT-compliant performance, it’s the ideal solution for professionals who expect more from their lighting. Install it today for maximum visibility and modern flair.

















