Buyers Products 4 Inch Round Stop/Turn/Tail Light with 10 LEDs is used on trucks and trailers to meet FMVSS/CMVSS 108 regulations. The light has a red lens and is available with a PL-3 or AMP-style connection. Lights are sold in quantities of 10. The PL-3 model is also available in individual kits that includes a plug and grommet for installation. Lights are backed with a limited lifetime warranty.
Specifications
| Amp draw at 12 Volts | 0.113 |
|---|---|
| Base / Mount Type | Recessed |
| Built-In Switch | No |
| Color | Red |
| Depth | - |
| Hard Wired or Plug | Plug |
| Height | - |
| Housing Material | Plastic |
| Lens Material | Polycarbonate |
| Lens Shape | Round |
| Number of Wires | 3 |
| Overall Width | - |
| Plug Included | No |
| Type of Plug | PL-3 Connection |
| Voltage | 12 |
| Wattage | 1.36 |
Advanced Illumination: The 4 Inch Red Round Stop/Turn/Tail Light with 10 LED
The 4 Inch Red Round Stop/Turn/Tail Light with 10 LED from Buyers Products represents a pinnacle in commercial vehicle lighting technology, meticulously engineered to fulfill the stringent demands of modern transportation and logistics. This integrated lighting solution provides essential visibility and signaling capabilities for trucks and trailers, serving as a critical component in ensuring road safety and regulatory compliance. Its design and construction emphasize durability, energy efficiency, and long-term reliability, making it an indispensable asset for fleet operators, vehicle manufacturers, and owner-operators alike.
Multifunctionality and Regulatory Adherence
At its core, this lighting unit consolidates three crucial functions into a single, compact device: Stop, Turn, and Tail. This integrated approach simplifies installation, reduces component count, and streamlines maintenance while ensuring that all essential rear-facing signals are present and highly visible. The 4-inch round form factor is an industry standard, facilitating broad compatibility with existing vehicle designs and mounting configurations.
Compliance with FMVSS/CMVSS 108 is not merely a feature but a fundamental requirement for any lighting product intended for use on road-going vehicles in North America. FMVSS 108 (Federal Motor Vehicle Safety Standard 108) in the United States and CMVSS 108 (Canada Motor Vehicle Safety Standard 108) mandate specific performance criteria for all lighting, reflective devices, and associated equipment. These regulations cover critical aspects such as photometric intensity, chromaticity (color), effective projected luminous area, and durability under various environmental conditions. By designing this light to meet or exceed these rigorous standards, Buyers Products ensures that vehicles equipped with this unit are legally operable and contribute positively to overall road safety. Non-compliant lighting can lead to fines, operational downtime, and, most importantly, compromise the safety of drivers and other road users.
The Technological Edge of 10 LEDs
The integration of 10 Light Emitting Diodes (LEDs) is a defining characteristic of this product, offering significant advantages over traditional incandescent bulb technology. LEDs represent a paradigm shift in automotive lighting due to their inherent efficiency, longevity, and superior performance characteristics.
- Energy Efficiency: Operating at a mere 0.113 Amps at 12 Volts, resulting in a low wattage of 1.36 Watts, this LED light drastically reduces the electrical load on the vehicle's charging system. This lower current draw translates directly into decreased fuel consumption and reduced wear on the alternator, contributing to lower operational costs and extended battery life. Compared to incandescent bulbs, which convert a significant portion of energy into heat rather than light, LEDs are remarkably efficient, generating more usable light per watt.
- Extended Lifespan: LEDs are solid-state devices, meaning they have no fragile filaments that can break due from shock or vibration. This inherent durability, coupled with efficient thermal management, allows these LEDs to boast a significantly longer operational life compared to incandescent bulbs – often exceeding 50,000 hours. This extended lifespan is directly reflected in the product's limited lifetime warranty, underscoring the manufacturer's confidence in its enduring quality and providing fleet managers with reduced maintenance cycles and lower total cost of ownership (TCO).
- Enhanced Durability and Vibration Resistance: The solid-state nature of LEDs makes them highly resistant to the constant vibrations and shocks encountered in heavy-duty truck and trailer applications. Unlike incandescent bulbs that are prone to filament breakage, LEDs maintain their integrity, ensuring consistent illumination even in the harshest operating environments, from rough roads to off-highway conditions.
- Superior Visibility and Instant Illumination: The 10 LEDs deliver a bright, crisp red light with instant-on capability. Unlike incandescent bulbs that have a brief ramp-up time, LEDs illuminate almost instantaneously, providing a quicker warning signal to following drivers. This fractional-second advantage can be crucial in preventing rear-end collisions, particularly during sudden braking events. The array of 10 LEDs ensures even light distribution across the lens, eliminating hot spots and dark areas, thereby maximizing the effective illuminated area and improving visibility from various viewing angles.
- Consistent Color Output: LEDs produce a pure, consistent red light without the color shift that can occur with aged incandescent bulbs or those operating at suboptimal voltages. This consistent chromaticity ensures that the signal is always interpreted correctly by other drivers, enhancing safety.
Robust Construction for Demanding Environments
The longevity and reliability of any commercial vehicle lighting product are heavily dependent on the quality and properties of its construction materials. This 4-inch round light is engineered with materials selected for their resilience and performance in challenging conditions.
- Lens Material: Polycarbonate: The choice of polycarbonate for the lens is a critical engineering decision. Polycarbonate is a thermoplastic polymer renowned for its exceptional impact resistance, often cited as being 250 times stronger than glass and 30 times stronger than acrylic. This makes the lens virtually shatterproof, capable of withstanding impacts from road debris, minor collisions, and rough handling during maintenance. Furthermore, polycarbonate exhibits excellent optical clarity, ensuring maximum light transmission and minimal distortion. It is also inherently resistant to UV radiation, preventing the yellowing or hazing that can degrade the appearance and photometric performance of lesser materials over time. Its high-temperature resistance allows the light to perform reliably across extreme thermal cycles, from scorching summer deserts to freezing winter tundras.
- Housing Material: High-Grade Plastic: The light’s housing is constructed from a high-grade plastic, chosen specifically for automotive and truck applications. While "plastic" is a broad term, in this context, it implies engineered polymers such as ABS (Acrylonitrile Butadiene Styrene), polypropylene, or specialized blends. These materials are selected for their balance of strength, rigidity, chemical resistance, and weatherability. The housing provides critical protection for the internal LED array and electronic circuitry against physical damage, moisture intrusion, and corrosive elements like road salt, de-icing chemicals, and common automotive fluids. The design of the plastic housing also plays a role in passive thermal management, helping to dissipate the minimal heat generated by the LEDs, further contributing to their extended lifespan.
- Ingress Protection and Sealing: Although not explicitly stated, the nature of truck and trailer lights demands superior ingress protection. This typically involves advanced sealing techniques, such as sonic welding, co-molding, or the use of durable rubber gaskets, to prevent the intrusion of dust, dirt, moisture, and even high-pressure spray from vehicle washdowns. Such robust sealing, often quantified by an IP (Ingress Protection) rating (e.g., IP67 or IP68), ensures the internal components remain dry and functional, safeguarding against short circuits and corrosion that can lead to premature failure.
Seamless Electrical Integration and Connectivity
Ease of installation and reliable electrical connectivity are paramount in commercial vehicle applications to minimize downtime and simplify maintenance.
- 12-Volt System Compatibility: This light is designed for standard 12-volt vehicle electrical systems, making it universally compatible with the vast majority of light-duty trucks, medium-duty trucks, heavy-duty trucks, and trailers. This standardization simplifies inventory management for parts departments and ensures straightforward integration into existing electrical architectures.
- 3-Wire Configuration: The 3-wire design is a standard for integrated Stop/Turn/Tail lights. Typically, these wires correspond to ground, tail light function, and a combined stop/turn signal function. This consolidated wiring scheme simplifies the electrical harness, reduces the number of connections, and thereby enhances overall system reliability by minimizing potential points of failure.
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Versatile Connectivity Options: PL-3 and AMP-Style Connections: Recognizing the diverse needs of the market and various vehicle wiring configurations, this light is available with two common industry-standard connection types:
- PL-3 Connection: The PL-3 plug is a widely adopted, often "pig-tail" style connection known for its robust and sealed design. It offers a secure, weather-resistant connection that is easy to install by simply pushing it into a compatible socket on the vehicle harness. This design minimizes the need for complex wiring, speeding up installation and replacement times in the field.
- AMP-Style Connection: AMP connectors (often referring to AMP SUPERSEAL, AMPSEAL, or similar industrial-grade connectors from TE Connectivity) are celebrated for their exceptional environmental sealing, vibration resistance, and secure locking mechanisms. These connectors are engineered for high reliability in demanding applications, providing a positive, watertight seal that protects against moisture, dust, and corrosion. The precision manufacturing of AMP-style connections ensures a consistent and durable electrical contact, even in high-vibration scenarios common in commercial trucking.
Optimized Mounting and Installation Efficiency
The physical integration of the light into the vehicle is as important as its electrical connection for optimal performance and protection.
- Recessed Base / Mount Type: The recessed mounting design offers several key advantages. Firstly, it protects the light from physical damage. By sitting flush or slightly inset within the vehicle body or trailer frame, the light is less prone to being snagged, struck by objects, or damaged during docking maneuvers. Secondly, recessed mounting provides a clean, integrated aesthetic, contributing to the overall professional appearance of the vehicle. This method also often facilitates better sealing against environmental elements at the mounting point.
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Grommet for PL-3 Model (Individual Kits): The inclusion of a grommet with individual PL-3 kits is a thoughtful detail that significantly enhances installation quality. A grommet serves multiple critical functions:
- Secure Fit: It provides a snug, vibration-dampening fit for the light within its mounting aperture, preventing rattling and movement that could lead to wire fatigue or damage to the light housing.
- Environmental Seal: The grommet creates an additional barrier against moisture, dust, and road debris entering the vehicle's interior or the mounting cavity, complementing the light's inherent sealing capabilities.
- Vibration Isolation: By absorbing shocks and vibrations, the grommet protects both the light and the vehicle body from wear and tear at the mounting interface, extending the lifespan of both components.
Diverse Applications and Strategic Procurement
The versatility and robust nature of this 4-inch round LED light make it suitable for a wide array of applications across numerous industries:
- Commercial Trucking: Essential for Class 8 heavy-duty trucks, regional haulers, and long-haul fleets, ensuring clear signaling and compliance on highways.
- Trailers of All Types: From utility trailers and flatbeds to enclosed cargo trailers, livestock trailers, boat trailers, and recreational vehicle (RV) trailers, this light provides reliable rear illumination and signaling.
- Construction and Agricultural Equipment: While primarily for road use, these lights can also serve as auxiliary or compliant lighting for tractors, heavy machinery, and other off-highway equipment that occasionally operate on public roads.
- Municipal and Fleet Vehicles: Service trucks, refuse vehicles, snowplows, and other municipal vehicles benefit from the durability and high visibility offered by these lights.
- Emergency and Specialty Vehicles: Support vehicles and utility vehicles can rely on this robust lighting solution for consistent performance in demanding situations.
For strategic procurement, Buyers Products offers this light in quantities of 10, catering to the needs of larger operations such as fleet maintenance depots, original equipment manufacturers (OEMs), and wholesale distributors. This bulk packaging streamlines inventory management and provides cost efficiencies for high-volume users. Additionally, recognizing the needs of smaller operators or individual repair requirements, the PL-3 model is available in convenient individual kits, complete with the necessary plug and grommet for a hassle-free replacement or upgrade.
Limited Lifetime Warranty: A Pledge of Quality
The inclusion of a limited lifetime warranty is a powerful statement about the engineering integrity, component quality, and overall durability of the 4 Inch Red Round Stop/Turn/Tail Light with 10 LED. This warranty signifies the manufacturer's unwavering confidence in the product's ability to perform reliably over an extended period, reflecting superior design, rigorous testing, and high-quality manufacturing processes. For customers, a lifetime warranty translates into significant long-term value, reduced operational risks, and peace of mind, knowing that their investment is protected against manufacturing defects for the life of the product. It reduces concerns about premature failure and associated replacement costs and vehicle downtime, making it a highly attractive feature for discerning buyers.
Conclusion
The 4 Inch Red Round Stop/Turn/Tail Light with 10 LED from Buyers Products embodies the fusion of advanced LED technology, robust construction, and uncompromising regulatory compliance. Designed for the rigorous demands of commercial trucks and trailers, it delivers superior visibility, enhanced safety, and exceptional longevity. From its energy-efficient 10-LED array and impact-resistant polycarbonate lens to its versatile connectivity options and industry-standard recessed mounting, every aspect of this light is engineered for peak performance and durability. Backed by a limited lifetime warranty and available in convenient bulk or individual configurations, this product represents a strategic investment in vehicle safety, operational efficiency, and minimized total cost of ownership for any fleet or owner-operator. It is not just a light; it is a critical safety component designed to withstand the challenges of the road and deliver reliable illumination for years to come.
