12 LED 4″ Round Light (Stop, Turn & Tail) – Red LED / Red Lens
Product Overview
Ensure dependable performance and DOT-compliant signaling with the 12 LED 4″ Round Light – Red LED with Red Lens, designed for use as a stop, turn, and tail light. This rugged lighting solution features 12 high-intensity red LEDs housed behind a red polycarbonate lens that is sonically sealed to prevent moisture intrusion. The durable design provides long-lasting visibility and is built to withstand tough road and weather conditions. Easy to wire with a 3-contact female terminal, it’s a reliable fit for trucks, trailers, and commercial vehicles needing compliant, maintenance-free lighting.
Key Features & Benefits
3-in-1 Functionality
-
Serves as Stop, Turn, and Tail Light (S/T/T) for essential signaling
12 Bright Red LEDs
-
High-output diodes provide clear and consistent illumination
Red Polycarbonate Lens
-
Durable, impact-resistant lens enhances color consistency and protects internal components
Sonic-Sealed Construction
-
Prevents water and moisture intrusion for extended service life
3-Contact Female Terminal
-
Standard wiring setup for quick installation and secure connectivity
DOT/SAE Compliant
-
Meets FMVSS 108 requirements for legal on-road use
Recommended Connector Compatibility
-
Works with 3-pin male plugs (#34212 / #34216 – Not Included)
Extended 10-Year Warranty
-
Industry-leading coverage for long-term confidence
Expanded Benefit Section
The 12 LED 4″ Round Red Light is a no-nonsense solution for dependable rear lighting on any 12V system. Designed for fleets, trailers, and heavy-duty applications, the sonically sealed housing and lens construction ensure moisture stays out—even in harsh environments. The red-on-red configuration offers consistent brightness and color clarity, while the simple 3-wire hookup integrates effortlessly with standard harnesses. Backed by a 10-year warranty, this S/T/T light delivers superior longevity and zero-hassle maintenance, making it a go-to replacement or upgrade choice.
Vehicle Compatibility
Ideal for use on 12V DC systems including:
-
Semi trucks and trailers
-
Utility, service, and delivery vehicles
-
Agricultural and industrial machinery
-
Custom builds and commercial fleets
Technical Specifications
-
Item Number: 38112
-
Light Type: Round Stop/Turn/Tail LED Light
-
Functionality: S/T/T
-
LED Count: 12 Red LEDs
-
Lens Color: Red
-
LED Color: Red
-
Voltage: 12V DC
-
Connector: 3-Contact Female Terminal
-
Recommended Plugs: 3-Pin Male Plug (#34212 / #34216 – Not Included)
-
Lens Material: Polycarbonate
-
Seal Type: Sonic Sealing (Moisture-Resistant)
-
Compliance: DOT/SAE, FMVSS 108
-
Warranty: 10-Year Limited Warranty
What’s Included
-
1x 12 LED 4″ Round S/T/T Light – Red LED / Red Lens
(Connector plug sold separately)
Warranty
10-Year Warranty – Industry-leading coverage for long-term performance and peace of mind.
Built to Last. Ready for the Road.
For reliable rear signaling with lasting protection, trust the 12 LED 4″ Round S/T/T Light. With its sonically sealed design and crisp LED output, it’s the ideal solution for fleet operators, trailer owners, and custom builders alike. Order now and drive with confidence for years to come.


















