This 10 LED 4″ round stop/turn/tail light is designed for truck, trailer, and commercial vehicle rear lighting applications where a red LED and red lens setup is required. The integrated reflex flange mount design helps simplify installation while adding built-in reflective function around the light.
Built for 12V DC systems, this light uses bright LEDs, a quality polycarbonate lens, and epoxy-sealed electronics for long-term exterior lighting performance.
Key Features & Benefits
Stop, Turn & Tail Light Function
This 4″ round light combines multiple rear lighting functions in one assembly.
Features include:
- Stop light function
- Turn signal function
- Tail light function
- 10 LED design
- Red LED output
- Red lens
This makes it a practical replacement for compatible rear truck and trailer lighting setups.
Integrated Reflex Flange Mount
The integrated reflective flange mount design supports easy installation and added reflector visibility.
Features include:
- Reflex flange mount design
- Integrated reflective flange
- 4″ round light format
- Surface-style flange mounting
- Clean rear lighting appearance
This is a strong option when you need a flange-mounted rear light instead of a grommet-mounted style.
Polycarbonate Lens & Sealed Electronics
The light is built with a polycarbonate lens and epoxy-sealed electronics.
Features include:
- Polycarbonate lens
- Epoxy-sealed electronics
- Built for exterior use
- Designed for long-term lighting performance
- Helps protect internal components
This construction supports durability in road, weather, and wash-down environments.
12V DC Compatibility
This light is designed to work on 12V DC systems.
Features include:
- 12V DC operation
- Bright LED output
- Designed for compatible truck and trailer electrical systems
- Hardwired connection
Confirm your vehicle or trailer electrical system before installation.
3-Pin Female Contact Plug
This light is hardwired with a 3-pin female contact plug.
Connection details:
- Hardwired with 3-pin female contact plug
- Recommended 3-pin male plug: item #34212
- Recommended 3-pin male plug: item #34216
- Recommended plugs are not included
Confirm plug compatibility before ordering or installation.
Performance, Compatibility & Use Case
Application & Use Case
Designed for:
- Semi truck rear lighting
- Trailer rear lighting
- Stop/turn/tail light replacement
- 4″ round flange mount applications
- Commercial vehicle lighting
- Fleet maintenance
- Rear lighting repairs
- Retail packaged replacement lighting
Fitment depends on your existing light opening, mounting style, plug type, voltage, and wiring setup.
Installation & Technical Details
Installation Overview
This 4″ round reflex flange mount light is designed for compatible 12V stop, turn, and tail light applications.
Installation details:
- Product type: Stop/turn/tail light
- Shape: Round
- Size: 4″
- LED count: 10 LEDs
- LED color: Red
- Lens color: Red
- Lens material: Polycarbonate
- Electronics: Epoxy sealed
- Mounting style: Integrated reflex flange mount
- Voltage: 12V DC
- Wiring: Hardwired with 3-pin female contact plug
- Recommended plug: #34212 / #34216, not included
- Compliance: DOT/SAE, FMVSS 108
- Packaging: Available in retail packaging
- Warranty: 10 years
Professional installation is recommended if wiring, plug compatibility, or mounting fitment is uncertain.
Build Quality, Compliance & Warranty
Build Quality
This rear light is built for exterior stop, turn, and tail light applications.
Build details include:
- 10 LED layout
- Polycarbonate lens
- Epoxy-sealed electronics
- Integrated reflective flange mount
- 3-pin female contact plug
- Red LED / red lens configuration
- 12V DC compatibility
Compliance
This light is listed as:
- DOT/SAE compliant
- FMVSS 108 compliant
Proper installation is still required for safe and compliant use.
Warranty Coverage
This product includes a 10-year warranty.
What’s Included
Included:
- 1 × 10 LED 4″ Round Reflex Flange Mount Stop/Turn/Tail Light With Red LED/Red Lens
Not included:
- 3-pin male plug
- Mounting screws
- Additional wiring connectors
Recommended separately:
- 3-pin male plug item #34212
- 3-pin male plug item #34216
Frequently Asked Questions About 4″ Round Reflex Flange Mount Lights
What functions does this light provide?
This light provides stop, turn, and tail light functions.
It is designed for compatible rear lighting applications on trucks, trailers, and commercial vehicles.
What size is this light?
This is a 4″ round LED light.
Confirm your existing opening and mounting style before ordering.
What color is the lens?
The lens is red.
This version uses red LEDs with a red lens.
How many LEDs does it have?
This light features 10 LEDs.
The LED count is listed in the supplied product information.
Is this a flange mount light?
Yes. This light uses an integrated reflex flange mount design.
It is not described as a grommet-mount light.
What plug does this light use?
This light is hardwired with a 3-pin female contact plug.
Recommended 3-pin male plugs are item #34212 and #34216, but they are not included.
Does this work on 12V systems?
Yes. This light is designed to work on 12V DC systems.
Confirm your truck or trailer voltage before installation.
Is this DOT and SAE compliant?
Yes. This light is listed as DOT/SAE and FMVSS 108 compliant.
Proper installation is still required.
Is retail packaging available?
Yes. The supplied product information states this light is available in retail packaging.
