RING AUTOMOTIVE W21W Signal Lamp Bulb 12V 21W
RING W21W 12V 21W signal lamp bulb, capless design, for brake, reversing & indicators.
The RING AUTOMOTIVE W21W Signal Lamp Bulb is a capless, single-filament bulb designed for reliable performance in brake, reversing, and indicator lights. Operating at a standard 12V with a power rating of 21W, this bulb delivers a bright and clear output, ensuring maximum visibility and safety on the road.
Featuring a W3x16d base, this bulb is specifically engineered for a secure and straightforward installation in compatible automotive lighting units. Its capless design simplifies handling and reduces the risk of damage when fitting multiple bulbs, making it a practical choice for both professional mechanics and DIY enthusiasts.
The bulb size, identified as W21W, corresponds to common car lighting requirements, offering a dependable replacement option for signal applications. With a height of 43mm, width of 33mm, and depth of 15mm, this compact bulb is easy to store and fits neatly into standard bulb housings.
Manufactured by RING AUTOMOTIVE, a trusted name in automotive lighting, this bulb is built to meet rigorous standards for durability and performance. Whether you are upgrading your existing bulbs or replacing a faulty one, this W21W lamp ensures consistent, high-quality illumination for your vehicle's signalling needs.
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- Shipping to United States: 3-5 business days*
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Free standard delivery on US mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For defective items, contact us within 14 days for a replacement or refund.
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