
Osram Original W21W signal lamp bulb, 12V 21W with W3x16d base. Ideal for brake, reversing and indicator lighting.
The Osram Original W21W Signal Lamp Bulb is designed to deliver factory-matched brightness, ensuring your vehicle's lighting performs exactly as intended. Operating at 12 volts and 21 watts, this reliable signal lamp provides consistent and powerful illumination for essential automotive functions.
Featuring a W3x16d base, this bulb is straightforward to install and offers a precise fit for compatible fixtures. It is specifically engineered for use in brake lights, reversing lights, and indicator systems, guaranteeing optimal visibility and safety on the road. By matching the original equipment specifications, it maintains the intended light distribution and intensity without causing glare or dark spots.
With compact dimensions of 43 mm in height, 33 mm in width, and 15 mm in depth, this signal lamp fits seamlessly into your vehicle's light housing. Weighing just 96 grams, it is a lightweight yet durable replacement option. Keep your vehicle safe and road-legal with this high-quality Osram signal lamp.
Key Specifications
Always follow local regulations and product guidance.
Free standard delivery on UK mainland orders. Express delivery options and international shipping available at checkout.
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