This 36 LED 4″ round stop/turn/tail light is designed for truck, trailer, and commercial vehicle rear lighting applications where a red lens and red LED output are required. The sealed polycarbonate lens helps protect the internal light assembly from moisture, making it a practical replacement or upgrade for compatible 4″ round rear light setups.
It uses a 3-contact female terminal and is recommended for use with plug item #34212 or #34216.
Key Features & Benefits
36 LED Rear Lighting
The 36 LED design provides stop, turn, and tail light functionality in one compact 4″ round light.
Features include:
- 36 LED configuration
- Stop light function
- Turn signal function
- Tail light function
- Red LED / red lens setup
This makes it a strong choice for replacing rear marker, signal, or tail light assemblies on compatible trucks and trailers.
Red Lens Design
The red lens gives the light a classic rear lighting appearance.
Features include:
- Red lens
- Red rear lighting output
- Round 4″ light style
- Common stop/turn/tail application
This is ideal when your vehicle requires a red rear lens to match existing rear lighting.
Sealed Polycarbonate Lens
The polycarbonate lens is sonically sealed to the housing to help protect the light.
Features include:
- Polycarbonate lens
- Sonically sealed housing
- Helps prevent moisture intrusion
- Built for exterior lighting use
This helps improve durability in road, weather, and wash-down environments.
3-Contact Female Terminal
This light uses a 3-contact female terminal for connection.
Connection details:
- 3-contact female terminal
- Recommended plug: item #34212
- Recommended plug: item #34216
Confirm plug compatibility before installation.
Performance, Compatibility & Use Case
Application & Use Case
Designed for:
- Semi truck rear lighting
- Trailer rear lighting
- Stop/turn/tail light replacement
- 4″ round light cutouts
- Commercial vehicle lighting
- Rear signal and tail light repairs
- Fleet maintenance
Fitment depends on your existing 4″ round light opening, plug style, wiring setup, and mounting configuration.
Installation & Technical Details
Installation Overview
This 4″ round LED light is designed for compatible stop/turn/tail light applications using a 3-contact female terminal.
Installation details:
- Product type: Stop/turn/tail light
- Shape: Round
- Size: 4″
- LED count: 36 LEDs
- Lens color: Red
- Light color: Red
- Lens material: Polycarbonate
- Housing seal: Sonically sealed
- Terminal type: 3-contact female terminal
- Recommended plug: #34212 / #34216
- Warranty: 3 years
Professional installation is recommended if wiring, plug compatibility, or mounting fitment is uncertain.
Build Quality, Materials & Warranty
Build Quality
This light is built for exterior rear lighting applications.
Build details include:
- Polycarbonate lens
- Sonic-sealed lens-to-housing design
- 36 LED layout
- 3-contact female terminal
- Red lens and red LED configuration
Warranty Coverage
This product includes a 3-year warranty.
What’s Included
Included:
- 1 × 36 LED 4″ Round Stop/Turn/Tail Light, Red LED / Red Lens
Recommended separately:
- Plug item #34212
- Plug item #34216
Frequently Asked Questions About 4″ Round Stop/Turn/Tail Lights
What functions does this light have?
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 light opening and mounting setup before ordering.
What color is the lens?
The lens is red.
This version is a red LED with red lens configuration.
How many LEDs does it have?
This light has 36 LEDs.
The LED count is listed in the supplied product information.
Is the lens sealed?
Yes. The polycarbonate lens is sonically sealed to the housing.
This helps prevent moisture intrusion.
What plug does this light use?
This light uses a 3-contact female terminal.
Recommended plug options are item #34212 and #34216.
Is the plug included?
The plug is not listed as included.
The supplied product information only lists recommended plug item numbers.
Will this fit my truck or trailer?
Fitment depends on your existing 4″ round light opening, plug style, wiring, and mounting setup.
Check your current light and connector before ordering.
What warranty is included?
This product includes a 3-year warranty.
Warranty coverage applies according to the seller or manufacturer warranty terms.
