5622150 - 2 Inch Red Round Marker/Clearance Light With 1 LED

Buyers Products 2 Inch Round Marker/Clearance Lights with 1 LED are used on trucks and trailers to meet FMVSS/CMVSS 108 regulations. The lights are available with a red or amber colored lens and have a PL-10 style connection. Lights are available in bulk (sold in multiples of 10) or individually in kits that include a plug and grommet. They are backed with a limited lifetime warranty.

Specifications

Advanced Technical Overview: Buyers Products 2 Inch Red Round Marker/Clearance Light with 1 LED

The Buyers Products 2 Inch Red Round Marker/Clearance Light with 1 LED represents a meticulously engineered lighting solution designed for critical visibility and compliance applications across the commercial trucking and trailer industry. This product, specifically featuring a single high-efficiency LED within a compact 2-inch round form factor, is engineered to exceed the stringent requirements set forth by FMVSS/CMVSS 108 regulations, ensuring optimal safety and legal operation of heavy-duty vehicles. Its design embodies a synergy of advanced LED technology, robust material selection, and standardized connectivity, making it a superior choice for fleet managers, manufacturers, and owner-operators seeking reliability, longevity, and exceptional performance.

Regulatory Compliance: FMVSS/CMVSS 108 Standards

Compliance with Federal Motor Vehicle Safety Standard (FMVSS) 108 in the United States and Canada Motor Vehicle Safety Standard (CMVSS) 108 is paramount for all lighting components installed on commercial vehicles. These regulations dictate the minimum performance criteria for lamps, reflective devices, and associated equipment, ensuring that vehicles are adequately visible to other road users under various operating conditions. The Buyers Products 2 Inch Red Round Marker/Clearance Light is specifically designed and tested to meet these rigorous standards. For marker lights, FMVSS/CMVSS 108 specifies requirements pertaining to photometric output (candela distribution), color chromaticity, and durability. The red lens color of this particular unit is designated for rear and side applications, indicating the rearmost or outermost dimensions of the vehicle. The single LED configuration is optimized to deliver the required light intensity and beam pattern, ensuring clear demarcation of the vehicle’s presence and dimensions, even in adverse weather conditions or low-light environments. Adherence to these standards is not merely a legal obligation but a fundamental aspect of road safety, mitigating collision risks by enhancing conspicuity. The precision engineering of this light guarantees that it consistently emits light within the specified candela limits and across the required viewing angles, contributing significantly to overall vehicle safety profiles.

Revolutionary LED Technology: Single-Element Design

At the core of this marker/clearance light is its sophisticated single Light Emitting Diode (LED) technology. Unlike traditional incandescent lamps that rely on a heated filament, LEDs operate on the principle of electroluminescence, converting electrical energy directly into light. This fundamental difference yields a multitude of technical and operational advantages. The single LED in this design is carefully selected for its high luminous efficacy, meaning it produces a substantial amount of light per unit of electrical power consumed. This results in an incredibly low amp draw of just 0.050 Amperes at 12 Volts, corresponding to a power consumption of 0.60 Watts. This minimal power demand significantly reduces the load on the vehicle's electrical system, decreasing alternator strain, improving fuel efficiency, and extending the lifespan of the vehicle's battery. Furthermore, the single LED architecture simplifies internal circuitry and enhances overall robustness. The inherent solid-state nature of LEDs provides exceptional resistance to vibration and shock, common stressors in heavy-duty vehicle operation that frequently cause filament failure in incandescent bulbs. The lifespan of a high-quality LED can extend to tens of thousands of hours, drastically surpassing the operational life of incandescent bulbs. This extended durability translates directly into reduced maintenance intervals, lower replacement costs, and maximized vehicle uptime. The specific optical design around a single LED also allows for precise light distribution, optimizing the emission pattern to meet regulatory requirements without wasteful light spill, ensuring that the light is directed where it is most effective for visibility. This controlled output is a testament to advanced optical engineering, ensuring compliance and enhancing safety with maximum efficiency.

Optical and Material Engineering: Lens and Housing Durability

The optical performance and environmental resilience of the Buyers Products marker/clearance light are largely attributed to its meticulously chosen materials and design. The lens, crafted from high-grade polycarbonate, is a critical component for both light transmission and protection. Polycarbonate is renowned for its exceptional impact resistance, making it virtually indestructible under normal operating conditions on commercial vehicles, where impacts from road debris are common. Beyond its mechanical strength, polycarbonate also exhibits excellent optical clarity and UV stability. The UV inhibitors integrated into the material prevent yellowing and degradation over time due, ensuring that the red color remains vibrant and the light output clear and consistent throughout the product's lifespan. The round shape of the lens is a standard industry dimension (2 inches in diameter) that offers widespread compatibility with existing vehicle designs and mounting hardware. The red color, as specified by FMVSS/CMVSS 108, is reserved for rear-facing and side-marker applications to clearly delineate the back and sides of the vehicle. The housing material, constructed from durable plastic, complements the polycarbonate lens in creating a robust and weather-resistant assembly. This industrial-grade plastic provides excellent resistance to corrosion, chemicals (such as road salt and cleaning agents), and extreme temperature fluctuations typical of demanding transportation environments. The combination of these materials ensures the light maintains its structural integrity and photometric performance even after prolonged exposure to harsh elements, ranging from freezing temperatures and snow to intense heat and direct sunlight. The sealed construction prevents ingress of moisture and dust, protecting the internal LED and electrical connections from environmental degradation, thereby extending the overall service life of the unit.

Electrical Integration and Connectivity: PL-10 Standard

Electrical integration for commercial vehicle lighting demands both reliability and ease of installation. The Buyers Products 2 Inch Red Round Marker/Clearance Light is engineered with a PL-10 style connection, an industry-standard interface known for its robust and weather-resistant properties. The PL-10 connector, often referred to as a "pigtail" connector, facilitates a secure and watertight connection to the vehicle’s wiring harness. This design minimizes the risk of moisture intrusion and corrosion at the electrical interface, which are common causes of light failure in less sophisticated designs. The plug-and-play nature of the PL-10 connection streamlines installation and replacement procedures, significantly reducing labor time and costs during initial assembly or subsequent maintenance. The light itself features a two-wire configuration, meticulously designed for straightforward and dependable electrical hookup: one wire with a stripped power lead for connection to the vehicle's 12-volt system, and one wire terminated with a #10 ring terminal for secure grounding. The #10 ring terminal ensures a reliable, low-resistance ground connection, which is crucial for consistent LED performance and longevity. This standardized wiring scheme simplifies inventory management and training for installation technicians, making the product highly adaptable for diverse vehicle platforms. Operating at a nominal 12-volt DC input, this light is perfectly suited for the vast majority of commercial trucks, trailers, and heavy equipment. The ultra-low current draw of 0.050 A and corresponding wattage of 0.60 W underscore its energy efficiency, an increasingly vital consideration for modern fleet operations aiming to reduce electrical system strain and enhance overall vehicle energy management. The absence of a built-in switch further indicates its intended use as a continuously active marker or clearance light, typically controlled by the vehicle's master lighting circuits, aligning with standard industry practices for trailer and truck lighting systems.

Mechanical Design and Mounting: Recessed for Protection

The mechanical design of the 2 Inch Red Round Marker/Clearance Light prioritizes both protection and streamlined aesthetics through its recessed mount type. Recessed mounting involves fitting the light into an aperture in the vehicle's body, chassis, or structural frame, so that the main body of the light fixture is largely protected by the surrounding material. This design offers significant advantages in the demanding environment of commercial vehicle operation. By integrating the light within the vehicle's structure, it becomes less susceptible to direct impacts from road debris, branches, or accidental contact, which can often damage surface-mounted lights. This inherent protection extends the physical life of the light and reduces the frequency of replacements due to mechanical damage. The compact 2-inch diameter of the light is an industry-standard size, ensuring compatibility with a wide array of existing vehicle applications and mounting grommets (often included in kits, although sold separately for individual lights). While specific depth, height, and overall width dimensions are noted as "-", implying a flush-mount or grommet-dependent installation, the fundamental design is predicated on minimal protrusion. The use of a plastic housing material contributes to the light’s lightweight profile, reducing overall vehicle mass and simplifying handling during installation. Furthermore, the recessed design often contributes to a cleaner, more integrated appearance on the vehicle, enhancing its aesthetic appeal without compromising functionality. The robust construction of the plastic housing, combined with the impact-resistant polycarbonate lens, forms a durable shell capable of withstanding significant environmental stresses, including vibrations from vehicle movement, extreme temperature variations, and exposure to corrosive agents like road salts and industrial cleaning solutions. This comprehensive approach to mechanical design ensures the light remains securely in place and fully functional throughout its operational life, regardless of the harsh conditions encountered on the road.

Installation, Availability, and Lifetime Warranty

The Buyers Products 2 Inch Red Round Marker/Clearance Light is designed for straightforward installation, facilitated by its PL-10 connection system and recessed mount compatibility. While the individual light unit does not include a plug or grommet, it is explicitly designed to integrate seamlessly with standard PL-10 plugs and corresponding 2-inch round grommets, which are widely available. For convenience, Buyers Products offers these lights individually in kits that *do* include the necessary plug and grommet, providing a complete solution for single-unit installations or replacements. For larger-scale operations such as fleet maintenance or vehicle manufacturing, the lights are also available in bulk, sold in multiples of 10. This bulk packaging option caters to the logistical needs of commercial customers, optimizing purchasing efficiency and ensuring consistent supply for high-volume applications. This flexible availability model supports various customer requirements, from individual vehicle owners needing a single replacement to large fleet operators managing extensive vehicle inventories. Furthermore, the product is backed by a limited lifetime warranty. This warranty is a testament to the manufacturer's confidence in the quality, durability, and long-term performance of this marker/clearance light. A limited lifetime warranty signifies that the product is engineered for an extended service life and that the manufacturer stands behind its materials and workmanship. This level of warranty coverage provides significant peace of mind for buyers, protecting their investment and underscoring the product's reliability and superior construction. The combination of easy installation, adaptable purchasing options, and a robust warranty positions this marker/clearance light as a highly attractive and dependable choice for all commercial vehicle lighting needs.

Versatile Applications in Commercial Transportation

The 2 Inch Red Round Marker/Clearance Light with 1 LED is an indispensable component across a vast spectrum of commercial transportation applications, serving critical safety and visibility functions on various vehicle types. Its primary role is to act as a marker light, delineating the overall dimensions of trucks and trailers, particularly their width and length, to other drivers. Red lights are specifically mandated for the rear and often for the side-rear portions of these vehicles, in accordance with FMVSS/CMVSS 108. Typical applications include, but are not limited to:

• Heavy-Duty Trucks: Class 8 trucks, including tractor-trailers, dump trucks, refuse vehicles, and utility trucks, utilize these lights to mark their chassis and trailer components, enhancing visibility during nighttime operation, inclement weather, and lane changes.
• Commercial Trailers: All types of commercial trailers, such as dry vans, flatbeds, reefers, livestock trailers, car haulers, and specialized heavy-haul trailers, rely on these marker lights to clearly indicate their extremities, especially the rear and side perimeters. Their presence is crucial for preventing side-swipe collisions and improving overall road safety.
• Recreational Vehicles (RVs) and Motorhomes: While primarily commercial-grade, the durability and compliance of these lights make them suitable for larger RVs and motorhomes that often mimic commercial vehicle dimensions, requiring robust lighting solutions.
• Agricultural Equipment: Large agricultural machinery, such as tractors with wide implements or towed equipment, frequently requires supplemental marker lights when operating on public roads, particularly during transport between fields.
• Construction Equipment: Heavy construction vehicles and equipment, including excavators, bulldozers, and cranes, especially those transported on trailers, benefit from these lights to ensure they are visible and their dimensions are clearly communicated to other traffic participants.
• Utility and Service Vehicles: Vehicles used by utility companies, emergency services, and maintenance crews often operate in diverse environments and require dependable, highly visible lighting to ensure safety for both the operators and the public.
• Specialty Vehicles: Any vehicle exceeding standard width or length, or requiring enhanced conspicuity due to its operational profile, can utilize these marker/clearance lights to meet regulatory requirements and improve safety.

The uniform 2-inch round form factor allows for universal application and ease of integration into existing vehicle lighting configurations. Its recessed mounting capability further ensures a protected and flush installation, which is vital for vehicles operating in harsh environments where impacts and exposure to debris are common. By effectively illuminating the outer dimensions of these vehicles, the Buyers Products marker/clearance light plays a direct role in reducing accidents, enhancing driver awareness, and ensuring legal operation on public roadways, solidifying its position as an essential safety component in the commercial transportation sector.

Comparative Advantage and Long-Term Value

The Buyers Products 2 Inch Red Round Marker/Clearance Light with 1 LED offers significant comparative advantages over traditional incandescent lighting solutions and even some multi-LED alternatives, establishing its long-term value proposition for fleet operators and vehicle manufacturers. The single-LED configuration, while seemingly minimalistic, is precisely engineered to deliver optimal photometric output within the regulatory spectrum, leveraging the inherent efficiency and reliability of modern LED technology. This contrasts sharply with incandescent bulbs which are prone to filament breakage due to vibration and temperature cycling, leading to frequent replacements and higher operational costs. The exceptionally low current draw of 0.050 Amperes translates into substantial energy savings over the operational life of a vehicle fleet. For a large fleet with dozens or hundreds of marker lights per vehicle, this cumulative reduction in electrical load can significantly decrease fuel consumption, reduce wear on the alternator, and extend battery life, resulting in tangible economic benefits. Furthermore, the robust construction, utilizing an impact-resistant polycarbonate lens and durable plastic housing, ensures superior resistance to environmental degradation, including UV exposure, chemical corrosives, and physical impact. This level of durability far surpasses that of glass-lensed incandescent fixtures, which are susceptible to cracking and shattering. The standardized PL-10 connection and 2-wire setup simplify installation and maintenance, reducing skilled labor requirements and vehicle downtime. The limited lifetime warranty offered by Buyers Products is a strong indicator of product confidence and offers unparalleled protection for the investment, directly addressing concerns about product longevity and potential failure rates. This commitment to quality minimizes the total cost of ownership (TCO) by reducing unscheduled maintenance events and parts replacement expenses. By choosing the Buyers Products 2 Inch Red Round Marker/Clearance Light, customers invest in a technically superior, energy-efficient, highly durable, and compliant lighting solution that enhances vehicle safety, reduces operational expenditures, and provides reliable performance for the entire lifespan of their commercial assets. Its technical specifications and design choices are optimized to deliver maximum return on investment through superior performance and extended operational reliability in the most demanding commercial transportation environments.