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580 (W21/5W) T20

W21/5W (580) LED Wedge Bulbs – Dual Filament LED for Brake & Tail Light Applications

Upgrade your vehicle’s rear lighting with our selection of W21/5W (580) LED bulbs, designed to replace traditional dual-filament halogen bulbs in brake, tail, rear position, and parking lights. These LEDs feature a T20 wedge base (W3x16q) and offer two brightness levels—low beam for tail/parking lights and high beam for braking.

With Canbus-compatible options available, these LED bulbs help prevent dashboard errors in most modern vehicles. They deliver brighter light, faster response times, and greater energy efficiency compared to standard halogen bulbs.

Ideal for cars, vans, and motorcycles, W21/5W LED bulbs offer a quick plug & play installation and a long service life—making them the smart upgrade for modern, reliable rear lighting.

W21/5W Halogen vs LED – What's the Difference?

Feature Halogen W21/5W LED W21/5W
Base Type T20 Wedge (W3x16q) T20 Wedge (W3x16q)
Brightness Standard halogen output Up to 2–3x brighter (depending on model)
Power Consumption Higher (21W/5W) Lower (typically 3–6W)
Heat Output Generates more heat Minimal heat output
Response Time Slower light-up time Instant on/off for better signalling
Lifespan ~500–1,000 hours Up to 30,000+ hours
Colour Options Warm white or amber White, red, amber, and Canbus-compatible options
Installation Plug & play Plug & play (some may need Canbus support)
Compatibility Works in all standard sockets Check for Canbus errors on modern vehicles
Best For Budget-friendly, OEM replacement Brightness, efficiency, and a modern lighting upgrade

✅ Which Should I Choose?

  • Choose halogen if you're after a quick, budget-friendly replacement that matches factory spec.

  • Choose LED if you want brighter, faster-responding lights, less power draw, and longer life — especially useful for brake and tail lights where safety matters most.

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