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Marker Lights for Trucks & Trailers

Browse our full range of marker lights for trucks and trailers, including LED, amber, red, and white options. Designed for commercial vehicles, our marker lights improve visibility, safety, and compliance on UK roads.

Top Selling Marker Lights (Trusted by Installers)

Truck & Trailer Marker Lights by Type

Browse marker lights by vehicle type, including options for trucks, trailers, and commercial vehicles. Choose from high-quality LED marker lights designed for durability, visibility, and compliance with UK road regulations.

Truck vs Trailer Marker Lights

Truck marker lights are typically positioned along the cab and chassis, while trailer marker lights are used to outline the full length and rear of the vehicle for maximum visibility.

Why Buy From Dun-Bri?

Trusted commercial vehicle lighting with fast UK delivery and reliable support for trade customers and installers.

✔ E-Marked & Road Legal   |   ✔ Fast UK Delivery   |   ✔ Trade Accounts Available   |   ✔ Trusted by Installers Nationwide

Shop by Colour

Find marker lights by colour, including amber, red, white, and green options. Each colour serves a specific purpose for vehicle visibility, helping you stay compliant and clearly visible in all driving conditions.

Featured Marker Lights

Check out our featured markers

Shop Marker Lights by Position & Function

Find marker lights by colour, including amber, red, white, and green options. Each colour serves a specific purpose for vehicle visibility, helping you stay compliant and clearly visible in all driving conditions.

Marker Light Spares & Accessories

Complete your installation with marker light spares and accessories, including brackets, mounts, replacement lenses, wiring, and control units. Everything you need to install, maintain, or upgrade your vehicle lighting system.

Marker Lights for Trucks & Trailers (UK Guide)

A practical guide to choosing the right marker lights for trucks, trailers, and commercial vehicles.

What Are Marker Lights?

Marker lights are essential safety lights fitted to commercial vehicles such as trucks and trailers to improve visibility and support compliance with UK road regulations. They help indicate the size, position, and outline of a vehicle, particularly in low-light conditions, poor weather, or when operating on busy roads.

For fleet operators, installers, and commercial vehicle owners, choosing the right marker lights helps improve road visibility, reduce downtime, and maintain a professional vehicle finish.

Types of Marker Lights

Different applications require different styles, sizes, and mounting options, so it is worth choosing lights based on both compliance needs and vehicle type.

Choosing the Right Marker Lights

When choosing marker lights, consider the following:

  • Vehicle type – truck, trailer, refuse vehicle, or crane truck
  • Mounting position – side, front, rear, or end-outline
  • Voltage compatibility
  • Lens colour requirements
  • Weather resistance and durability
  • Relevant compliance standards

If you are unsure where to start, browsing by vehicle type or colour can help narrow down the best option for your application.

Why Choose LED Marker Lights?

LED marker lights are brighter, longer-lasting, and more energy-efficient than traditional bulb options. They are a popular choice for commercial vehicles because they help reduce maintenance while improving visibility on the road.

For operators who want durability and lower running costs, LED marker lights are often the best long-term option.

How to Find the Right Marker Lights for Your Vehicle

The best way to find the right marker lights is to match the product to your vehicle type, mounting position, and required lens colour. Truck and trailer setups may differ, and some applications will require specific sizes, brackets, or end-outline fittings.

You can also browse by vehicle type and colour to explore suitable options for your installation and quickly compare products.

Where Are Marker Lights Used?

Marker lights are used across a wide range of commercial and specialist vehicles to improve visibility and meet safety regulations.

  • Trucks & HGVs – side marker lights and clearance lights for visibility
  • Trailers – rear and side markers to meet legal requirements
  • Recovery Vehicles – enhanced visibility in roadside situations
  • Refuse & Municipal Vehicles – safety lighting in urban environments
  • Construction Vehicles – improved visibility on-site and on roads

Frequently Asked Questions

Common questions about marker lights for trucks and trailers.

Are marker lights required in the UK?

Certain commercial vehicles are required to use marker lights to help meet visibility and road safety requirements. The exact lighting setup depends on vehicle type, size, and application.

What colour marker lights should I use?

Amber marker lights are generally used on the side of the vehicle, red marker lights at the rear, and white marker lights at the front. Always check the correct application and legal requirements for your vehicle.

Are LED marker lights better?

In most cases, yes. LED marker lights are typically brighter, more energy-efficient, and longer-lasting than traditional bulb alternatives, making them a strong choice for commercial vehicles.

What are end-outline marker lights used for?

End-outline marker lights are used to help define the outer edges of larger vehicles. They make the width and height of the vehicle easier to see, especially in poor visibility or at night.

What is the difference between marker lights and side lights?

Marker lights are used to show the size, position, or outline of a vehicle, while side lights are generally part of the vehicle’s standard lighting system. The exact use can vary depending on the application and vehicle type.

Are LED marker lights road legal in the UK?

LED marker lights can be road legal in the UK when correctly specified and fitted for the right application. It is important to choose suitable products and ensure they are installed in line with applicable vehicle lighting requirements.

Where should marker lights be fitted on a trailer?

Marker lights can be fitted at the side, front, rear, or as end-outline lights, depending on the trailer design and visibility requirements. Placement should always suit the intended use and relevant regulations.

What voltage marker lights do I need?

The correct voltage depends on your vehicle’s electrical system. Always check the product specification and match the marker light to your vehicle’s required voltage before installation.

How do I choose the right marker light for my vehicle?

Start by checking the mounting position, required lens colour, voltage, size, and installation method. You should also consider visibility, durability, and whether LED is the best option for your application.

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