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Optronics ST4RBP 7-Function Submersible Trailer Tail Light

Manufacturer

Optronics

<p>Since its founding in 1972, Optronics International has earned its reputation as one of the fastest-growing vehicle lighting manufacturers in the United States. Based in Tulsa, Oklahoma, with manufacturing facilities in Indiana, Toronto, and overseas, the company specializes in delivering innovative safety lighting solutions for trailers, commercial vehicles, RVs, and marine applications. With more than five decades of engineering expertise, Optronics has become a trusted name among both OEM manufacturers and aftermarket customers who demand reliability, compliance, and cutting-edge technology.</p><h3>Engineering Excellence in Trailer Lighting</h3><p>Optronics' success stems from its commitment to superior design, rigorous testing, and adherence to FMVSS 108 safety standards. The company operates quality assurance and compliance testing programs at multiple facilities, ensuring every product meets DOT regulations and delivers long-term durability in demanding environments. From light-duty utility trailers to heavy commercial applications, Optronics lighting products are engineered to withstand the elements while providing optimal visibility and safety on the road.</p><h3>Comprehensive Product Line</h3><p>The Optronics catalog spans an extensive range of lighting categories designed to meet virtually every trailer and vehicle need. Their <a href="/1711-optronics-trailer-light-16541">Trailer Light</a> collection includes combination stop, turn, and tail lights featuring both LED and traditional technologies, with options for surface mount, grommet mount, and submersible designs. For complete installation solutions, Optronics offers <a href="/1711-optronics-trailer-light-kits-led-201093">Trailer Light Kits - LED</a> that bundle all necessary components for quick, hassle-free setup, delivering the energy efficiency and longevity that modern LED technology provides. The company also maintains a selection of <a href="/1711-optronics-trailer-light-kits-incandescent-201092">Trailer Light Kits - Incandescent</a> for customers who prefer traditional bulb-based systems or require compatibility with existing wiring configurations.</p><h3>Innovation and Market Leadership</h3><p>Optronics continues to push the boundaries of vehicular lighting technology with patented systems like the USA-PLUS molded harness connections, which provide superior durability and ease of installation. The company's investment in research and development has resulted in advanced product lines including their GloLight, Opti-Brite, and ONE LED series, each designed to address specific market needs. Whether outfitting a boat trailer, utility trailer, or commercial fleet, Optronics delivers lighting solutions that combine regulatory compliance with practical, field-tested performance that professionals and DIY enthusiasts can rely on.</p>

Part Number

ST4RBP
06/01/2036 1:41 AM
Sale Price

$10.29

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Optronics ST4RBP is a versatile 7-function submersible tail light designed for trailers and marine applications. Built to withstand submersion in water over 80 inches deep, this combination tail light provides reliable performance even in the most demanding conditions.

Key Features:

  • Seven-function operation: stop, turn, tail, rear clearance, rear reflex, side marker, and side reflex
  • Submersible to over 80 inches for boat trailers and marine use
  • Mounts on standard 2-inch centers for easy installation
  • Durable construction designed to resist corrosion and water intrusion
  • DOT compliant for legal road use

This combination light eliminates the need for multiple separate lights, providing comprehensive visibility and safety in a single unit. Ideal for boat trailers, utility trailers, and any application where lights may be exposed to water or moisture.

Products specifications

Description

Passenger Side, Stud mount, Stop/Turn/Tail

Package

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