Description
The Optronics 6” Flange Mount Oval Sealed LED Stop/Turn/Taillight (Part STL78RB) is a fully sealed, waterproof LED light designed for reliable stop, turn, and tail functions. This popular oval light features a flange mount for easy installation on trailers and trucks.
Part Number: STL-78RB, Sold Individually. Sealed, flange mount, red LED stop/turn/taillight. 10 super diodes for bright, dependable performance. Meets DOT FMVSS 108 requirements in any 360-degree position. Surface mount unit does not require panel cutout. Features sonically sealed, waterproof lens and housing in a single unit. All-weather molded plastic housing and durable lens protect against corrosion. Separate ground wire. Hard wired (red=stop/turn, black=tail, white=ground), 7-in. leads.
Key Features
- Part Number: STL78RB
- Brand: Optronics
- Type: 6″ Oval LED Stop/Turn/Tail Light
- Color: Red
- Diodes: 10
- Dimensions: 7.563″ x 3.313″ x 0.750″
- Mount: Flange / Surface Mount
- Connection: Hard Wired (red = stop/turn, black = tail, white = ground)
- Housing / Lens: Polycarbonate
- Voltage: 12V
- Amp Draw: 0.243A (Stop/Turn) / 0.046A (Tail)
- FMVSS: S2 T2 I6
- Features: Sonically sealed waterproof design, meets DOT requirements in any 360° position
- Warranty: Lifetime LED Warranty
- Weight: 0.265 lbs
Perfect for replacement or new installation on utility, cargo, and equipment trailers.
Questions about this Optronics LED tail light or compatibility? Call our trailer experts at 1-800-866-3336.
Browse more Optronics Oval Stop/Turn/Tail LED Lights.









