GR- Model 83mm LED Roof Cab Marker Light for 12V Trucks and Tractors

Upgrading or replacing the marker lights on a commercial vehicle requires a component that balances durability with clear, reliable illumination. This LED roof cab marker light, identified as model GR-, is engineered for this exact purpose. It provides a solid-state lighting solution with a power draw of 1.2 watts from a standard 12-volt vehicle electrical system, consuming 0.1 amps of current. With a specified service life of 50,000 hours, it offers a long-term alternative to traditional filament bulbs, reducing the frequency of replacements. The unit's practical design and choice of three lampshade colours make it a versatile fit for various heavy-duty applications.

Features and Construction

This marker light is built around clear, measurable specifications that define its fit and function for automotive use. The assembly combines different materials to create a unit suited for the external environment of a vehicle.

Material and Build

The primary housing material is PC, or polycarbonate, a plastic noted for its strength and ability to withstand impacts and UV exposure, which is common in automotive exterior parts. This is paired with a rubber sole element. The rubber likely serves as a gasket or mounting pad, which can help seal against moisture and dampen vibrations from the vehicle, contributing to the light's overall installation integrity and longevity on the road.

Size and Practical Fit

The key physical measurement provided is the boundary dimension of 83mm. This diameter dictates the size of the mounting hole required and the overall footprint of the light on the vehicle's surface. This compact size is typical for cab roof marker lights and side markers, allowing for installation in designated spaces on trucks, tractors, and other commercial vehicles without requiring significant modification.

Uses and Placement

This product is designed for specific roles within vehicle lighting systems, serving both safety and identification purposes in different settings.

Event or Professional Use

In professional contexts, such as on freight lorries, construction vehicles, or agricultural tractors, clear marker lights are a regulatory and safety necessity. They define the vehicle's corners and roof outline, especially in low-light conditions or poor weather. The 12V operation makes it compatible with standard commercial vehicle electrical systems, while the robust PC construction helps it endure the vibrations and environmental exposure common in these demanding work environments.

Everyday Home Use

For personal use on larger privately-owned vehicles like pickup trucks, campers, or tow vehicles, these lights can serve as functional replacements for worn-out units or as upgrades to LED technology. The choice of lampshade colour—yellow, transparent, or smoked black—allows owners to match existing lighting schemes, with yellow offering a specific warning hue, transparent providing the purest light output, and smoked black lending a more subdued, integrated appearance.

Benefits and Buying Value

The value of this lighting component lies in its specification-led performance and the completeness of the supplied kit for multiple installations.

Reuse and Low Maintenance

The core value proposition is centred on the long-rated 50,000-hour LED life, which translates to years of service under normal use, minimising downtime and maintenance costs associated with bulb failure. The inclusion of five complete light assemblies (lens and base) plus bulbs and wiring sockets in the package means you can equip multiple positions on one vehicle or have spares on hand, adding to the practical utility and cost-effectiveness over time.

Why Choose This Product

Choosing this marker light comes down to its defined specifications matching your vehicle's requirements. It provides a concrete 83mm fit, operates on the common 12V standard, and uses the widespread T10 bulb fitting. The package removes guesswork by supplying all necessary hardware for installation. You are selecting a product based on its measurable electrical specs (12V, 0.1A, 1.2W), its physical size, and the option for lampshade colour, rather than unsupported claims about performance.