2 Pack Optronics 4" Round Red Incandescent Stop Turn Tail Light PL-3 ST45RB

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OP-ST45RB x 2

4-1/4" Diameter round. Waterproof trailer light that functions as a stop, tail, and turn signal light when properly mounted. Shock-proof socket protects the incandescent bulb. Accepts 3-prong plug.


  • Red trailer light serves 3 functions when properly mounted
  • Stop light
  • Tail light
  • Turn signal light
  • Sonically sealed, waterproof housing and lens unit is submersible
  • Shock-proof socket protects the bulb
  • Durable polycarbonate lens and housing
  • Red lens over an incandescent bulb
  • Accepts industry standard 3-prong plug
  • DOT compliant


  • Overall dimensions: 4-1/4" diameter x 2-1/16" thick
  • Power draw at 12.8V: Stop/turn: 2.4 amps Tail: 0.49 amps

Manufacturer Cross Reference Light will work as an exact replacement for:

  • Uni Bond # SE4000R
  • Wesbar # 423541
  • Truck Lite # 40282R/40202R
  • Grote # 52922
  • Peterson # 426R
  • Bargman # 40-01-001

Sonically Sealed, Waterproof Trailer Light

The waterproof construction of this light makes it ideal for use on trailers that may be submerged, like a boat trailer.
The housing and lens are sonically sealed together to create a single unit, which means that water will not get into the light and damage the diodes or circuit board.

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