5622254 - 2 Inch Amber Round Marker/Clearance Light with 4 LEDs (Light Only)

Buyers Products 2 Inch Round Marker/Clearance Light with 4 LEDs is used on trucks and trailers to meet FMVSS/CMVSS 108 regulations. Lights are available with a red or amber colored lens. They have a PL-10 style connection. Lights are available in bulk (multiples of 10) or in individual kits that include a grommet and plug. The lights are backed with a limited lifetime warranty.

Specifications

The Buyers Products 2 Inch Round Marker/Clearance Light with 4 LEDs (Light Only) represents a pinnacle of contemporary vehicle lighting engineering, specifically designed for heavy-duty truck and trailer applications. This amber-colored, 2-inch round light is engineered to provide superior visibility and unwavering compliance with the stringent safety regulations outlined in FMVSS/CMVSS 108. As an essential component for enhancing the peripheral visibility and overall safety profile of commercial vehicles, this lighting unit integrates advanced LED technology with robust material science, ensuring longevity, energy efficiency, and reliable performance across diverse operating conditions.

At the core of this lighting solution is its sophisticated LED array. Featuring four high-intensity Light Emitting Diodes, this unit delivers a potent and focused amber illumination. Unlike traditional incandescent bulbs, LEDs offer a multitude of technical advantages critical for the demanding environment of commercial transport. Their inherent semiconductor nature means there are no filaments to break or burn out, rendering them exceptionally resistant to shock and vibration – a common cause of failure in conventional lighting on trucks and trailers traversing uneven terrain or experiencing constant operational vibrations. The specific configuration of four LEDs ensures a broad and uniform light output, effectively maximizing the illuminated area and ensuring the vehicle's dimensions are clearly communicated to surrounding traffic. The amber color output is precisely calibrated to meet regulatory standards for marker and clearance lamps, providing a distinct and easily recognizable signal.

One of the most significant benefits of LED technology, as demonstrated by this unit, is its unparalleled energy efficiency. With an impressively low amp draw of just 0.039 Amperes at 12 Volts and a minimal power consumption of 0.47 Watts, this light drastically reduces the electrical load on the vehicle's power system. This efficiency translates directly into several operational advantages:

• **Reduced Fuel Consumption:** Less demand on the alternator means less parasitic drag on the engine, potentially leading to marginal but cumulative fuel savings over the vehicle's lifespan.
• **Extended Battery Life:** Lower current draw minimizes battery discharge, particularly when lights are operated while the engine is off or during prolonged idling periods, preserving battery health and extending its service life.
• **Increased Availability of Electrical Power:** The freed-up electrical capacity can be reallocated to other essential onboard systems or auxiliary equipment without overtaxing the vehicle's electrical infrastructure.
• **Reduced Heat Generation:** LEDs produce significantly less heat compared to incandescent bulbs, which contributes to the longevity of the light's internal components and housing, mitigating thermal stress and degradation.

The material composition of the Buyers Products 2 Inch Round Marker/Clearance Light is meticulously selected for maximum durability and environmental resistance. The lens is fabricated from high-grade polycarbonate, a thermoplastic polymer renowned for its exceptional impact strength, optical clarity, and resistance to harsh environmental factors. Polycarbonate possesses a superior resistance to chipping, cracking, and yellowing, a common issue with lesser plastics when exposed to prolonged UV radiation and adverse weather conditions. This inherent robustness ensures that the lens maintains its photometric performance and aesthetic integrity throughout the product's lifespan, crucial for maintaining regulatory compliance and visibility. The housing, constructed from a durable plastic, complements the lens's resilience, providing a lightweight yet sturdy enclosure that protects the internal LED components from physical damage, moisture ingress, and corrosive agents often encountered on roads, such as salt, chemicals, and road debris.

Designed for a recessed mounting configuration, this light offers a streamlined and protected installation profile. Recessed mounting involves seating the light within an aperture in the vehicle body or trailer frame, which not only provides a cleaner aesthetic but also offers an additional layer of protection against accidental impacts. While the "Light Only" product does not include a grommet, the recessed design inherently requires the use of a suitable rubber grommet (available separately or as part of complete kits) to securely seat the light, dampen vibrations, and provide an effective seal against moisture and dust ingress. This sealing mechanism is vital for maintaining the internal integrity of the light, preventing short circuits and corrosion of electrical contacts.

Electrical connectivity for this unit is facilitated by a robust PL-10 style connection. The PL-10 connector is an industry-standard, two-prong connector widely adopted in the heavy-duty vehicle sector due to its proven reliability and ease of installation. This plug-and-play interface simplifies wiring, allowing for quick and secure attachment to the vehicle's existing harness. The light's wiring scheme further exemplifies its professional-grade design: it features two wires, one stripped for power connection and one equipped with a #10 ring terminal for ground. This configuration ensures a robust and reliable electrical connection, minimizing resistance and maximizing current flow, which is paramount for consistent light output and preventing electrical issues under dynamic operating conditions. The #10 ring terminal for the ground connection provides a large surface area for contact, ensuring an excellent earth connection that is resistant to loosening or corrosion over time.

Compliance with FMVSS/CMVSS 108 is a non-negotiable requirement for all lighting components on commercial vehicles operating within North America. FMVSS (Federal Motor Vehicle Safety Standards) 108 in the United States and CMVSS (Canadian Motor Vehicle Safety Standards) 108 in Canada dictate precise specifications for vehicle lamps, reflective devices, and associated equipment. For marker and clearance lights, these standards define minimum photometric intensities, light distribution patterns, color chromaticity, and mounting locations. The Buyers Products 2 Inch Round Marker/Clearance Light is meticulously engineered and rigorously tested to meet or exceed these requirements, providing vehicle operators and fleet managers with the assurance of legal and safe operation. Failure to comply with these regulations can result in fines, vehicle downtime, and, more critically, compromise safety on the road by reducing the visibility of the vehicle to other drivers, particularly during nighttime or adverse weather conditions. The amber light emitted by this unit is specifically compliant with the chromaticity requirements for side marker and clearance lamps, which are crucial for indicating the presence and overall length/width of large vehicles.

The distinction between "marker" and "clearance" lights, while often grouped, is important in their functional role as defined by regulations. Marker lights are positioned on the sides of the vehicle to indicate its presence and overall length, allowing other drivers to gauge its size and distance. Clearance lights, conversely, are mounted on the extreme front and rear upper corners of the vehicle to indicate its maximum width and height, crucial for preventing collisions with overhead obstructions or during lane changes. This 2-inch amber round light serves both functions, providing flexible installation options to fulfill various regulatory requirements across the vehicle's perimeter. Its compact 2-inch diameter makes it versatile for integration into various vehicle designs without significantly impacting aerodynamic profiles or aesthetic lines.

Beyond compliance, the operational robustness of this light is designed to withstand the most challenging environmental stressors. It is resistant to extreme temperatures, vibration, shock, and moisture ingress. The sealed construction prevents the accumulation of dirt, dust, and water within the lamp assembly, which could otherwise lead to corrosion, diminished light output, or complete operational failure. This level of environmental sealing is crucial for components exposed to constant road spray, seasonal weather changes, and potential pressure washing during vehicle maintenance. The choice of plastic for the housing, while lightweight, does not compromise on sealing integrity, utilizing advanced molding techniques to create a hermetic seal around the sensitive LED circuit board.

The "Light Only" designation of this product provides flexibility for fleet operators and maintenance professionals who may already possess compatible grommets and plugs, or who prefer to source these components separately based on specific installation needs or existing inventory. This modular approach allows for cost-effective replacement of individual light units without requiring the purchase of a full kit when other components are still functional. For new installations or complete replacements, Buyers Products also offers comprehensive kits that include the necessary grommet and PL-10 plug, simplifying the procurement process.

The applications for this 2 Inch Amber Round Marker/Clearance Light are extensive, encompassing a wide array of heavy-duty vehicles and trailers. These include, but are not limited to:

• **Commercial Trucking Fleets:** Tractor-trailers, box trucks, flatbeds, and dump trucks.
• **Utility and Service Vehicles:** Utility trucks, municipal vehicles, emergency response vehicles, and work vans.
• **Recreational Vehicles (RVs):** Large motorhomes and towable travel trailers where peripheral visibility is paramount.
• **Agricultural Equipment:** Tractors, combines, and various implements that require road-legal lighting for transit.
• **Construction Equipment:** Heavy machinery, lowboy trailers, and specialized transport vehicles.
• **Marine Trailers:** Boat trailers requiring durable, sealed lighting for submersion resistance and road legality.

The limited lifetime warranty backing this product underscores the manufacturer's profound confidence in its design, materials, and manufacturing quality. A lifetime warranty is a powerful testament to product reliability and durability, offering purchasers peace of mind and significantly reducing the total cost of ownership over the operational life of the vehicle. This warranty covers manufacturing defects, ensuring that the light will perform as expected for an extended period, minimizing unexpected replacement costs and vehicle downtime, which are critical considerations for commercial operations where every hour of uptime translates directly to profitability. The assurance of a lifetime warranty highlights the superior engineering and robust construction of each unit, designed to meet the rigorous demands of continuous heavy-duty use.

In summary, the Buyers Products 2 Inch Amber Round Marker/Clearance Light with 4 LEDs (Light Only) is not merely a lighting accessory; it is a meticulously engineered safety component that integrates cutting-edge LED technology, premium material science, and adherence to the highest regulatory standards. Its low power consumption, exceptional durability, easy installation via the industry-standard PL-10 connection, and comprehensive warranty combine to deliver an unparalleled value proposition for any heavy-duty vehicle requiring dependable, high-visibility, and compliant marker and clearance lighting. Investing in this lighting solution ensures not only compliance and safety but also long-term reliability and reduced operational expenditures, making it an indispensable choice for discerning fleet managers and vehicle operators.