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Power Tools Direct£6.28Visit shop Sealey Tb18 Rear Square Lamp Cluster 12V With Bulbs
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B&Q£10.51Visit shop B&Q - Rear Square Lamp Cluster 12V With Bulbs & 4-Functions E-Approved Tb18
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The Sealey TB18 is designed for vehicle owners, trailer manufacturers, and DIY automotive enthusiasts who require a reliable and E-approved rear lighting solution. This compact square lamp cluster delivers essential stop, tail, indicator, and numberplate illumination in a single, durable housing, providing a comprehensive safety upgrade for small trailers and utility vehicles. While the unit is robust, users should ensure the mounting location is flat and weather-protected to maintain the integrity of the housing and electrical connections over time.
| Colour | Red |
|---|---|
| Model Part Number | TB18 |
| Brand | Sealey |
The TB18 is typically configured for 12V systems; please check the bulb voltage ratings included in your specific package before installation.
Yes, the lens is designed to be removable, allowing for quick access to the internal bulbs when replacement is necessary.
The unit is designed for standard bolt-on mounting, but you may need to provide your own specific bolts depending on the thickness of your mounting surface.
It is weather-resistant for road use, but it is not intended for complete, prolonged submersion in water.
Sealey components are widely supported; check with your local stockist for specific replacement lens availability for the TB18 model.
Check if the bulb filament has blown or if the terminal connection behind the lens is loose.
Inspect the ground wire connection for corrosion or a loose contact point.
Verify the lens seal is tight; if moisture persists, remove the lens, dry it out, and ensure the rubber gasket is correctly seated.
Installation requires standard automotive electrical knowledge. Ensure your vehicle's wiring harness matches the TB18 input points. When mounting, use the provided bolt pattern to secure the lamp to a flat, vibration-resistant surface. For care, keep the lens clean from road debris and mud to maintain optimal light dispersion. Check the electrical connections annually for signs of oxidation, especially if the vehicle is frequently submerged during boat trailer launching or used in salty, coastal environments.
