Description
Optronics 4 Inch Round Clear Back-Up Light, Recess Mount, 2-Pin – BUL11CBK | Southwest Wheel®
Bright, reliable reverse lighting with a clean, modern look. The Optronics BUL11CBK is a 4″ round LED back-up light featuring a clear lens and high-intensity white LEDs that deliver excellent visibility when reversing or maneuvering your trailer at night.
This flush/recess mount design installs neatly into trailer panels, fenders, or bumpers for a sleek factory-style appearance while providing strong, dependable performance.
Key Features:
- Function: Clear LED Back-Up / Reverse Light
- Size: 4″ round
- Mounting: Recess (flush) mount with grommet
- Connection: Standard 2-pin plug (industry common)
- Lens: Clear lens with bright white LEDs
- Voltage: 12V DC
- Sealed Construction: Fully waterproof and dustproof
- LEDs: High-output diodes for superior brightness and long life
- Certifications: DOT approved
Ideal For:
- Trailer rear corners and bumper-mounted reverse lights
- Boat, utility, cargo, enclosed, and equipment trailers
- Replacing old incandescent backup lights
- Custom trailer builds needing a clean, flush-mounted look
With low power draw, instant-on performance, and rugged sealed construction, the Optronics BUL11CBK offers years of trouble-free service and improved safety when backing up.
Ready to upgrade your trailer’s reverse lighting?Add the Optronics 4″ Round Clear LED Back-Up Light (BUL11CBK) to your cart today!
Part Number: BUL11CBK, Sold Individually.
4” Round Sealed DOT LED Back-Up Light. Sonically sealed, waterproof. Certified for back-up light function when installed as pair in two-lamp system [SAE (2)R].10 Diodes. Includes mounting grommet (A45GB) and plug (A49PB) for complete installation.
Product Specifications
- Color: White
- Diodes: 10
- Mount: Grommet
- Connection: PL-3, 2-pin
- FMVSS: (2)R
- Housing Material: Polycarbonate
- Lens Material: Polycarbonate
- Voltage: 12V
- Amp Draw: 0.26
- Warranty: Lifetime LED Warranty
- Weight: 0.309 lbs.
- Size/Shape: 4″ Round
- Dimensions (W x H x D): 4.313 x 4.313 x 1.625









