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Optronics ST56RS Submersible Rectangular Tail Light - 7 Function - Passenger Side

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

ST56RS
05/31/2036 7:32 PM
Sale Price

$18.05

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Optronics ST56RS is a submersible rectangular incandescent tail light designed specifically for trailers over 80 inches wide. This passenger-side (right-hand) combination light provides reliable lighting performance in demanding conditions, including applications where the trailer may be submerged, such as boat trailers.

Key Features:

  • 7-function design: brake, tail, turn signal, side marker, side reflector, rear clearance, and rear reflector
  • Fully submersible waterproof construction protects against water damage
  • Sealed circuit board prevents water from damaging internal components
  • Incandescent bulb technology for reliable performance
  • Stud mount installation with 2-inch center spacing
  • 3-wire electrical connection with bare wire ends and ring terminal ground
  • Rectangular design measures 6-1/16" long x 3-3/4" tall x 2-1/4" deep
  • Red lens construction for optimal visibility

This light is ideal for utility trailers, boat trailers, and equipment trailers that meet DOT requirements for wide trailers. The waterproof construction ensures long-lasting performance even in harsh marine environments. For the matching driver-side light, see part number ST57RS.

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