580 (W21/5W)

W21/5W Wedge Bulbs – Dual Filament Bulbs for Brake, Tail & Parking Lights

Shop our range of W21/5W 12V wedge bulbs, designed for dual-function lighting such as brake and tail lights, rear position lamps, and parking lights. Featuring a T20 (W3x16q) wedge base, these bulbs provide two brightness levels—low for tail/parking lights and high for brake lights.

W21/5W bulbs offer a direct-fit replacement for original halogen bulbs, delivering reliable, consistent illumination. With plug & play installation, they’re ideal for everyday drivers, light commercial vehicles, and motorcycles looking to maintain or restore factory-style lighting performance.

Perfect for a wide range of modern vehicles, these bulbs are a trusted choice for safe, legal, and visible rear lighting.