The Wipac Sidelight Bulb Holder is used to secure a T4W 12V 4W BA9s type bulb within headlamps that feature plastic reflectors (i.e. Wipac Mini / Landrover Type 7 Inch Quadoptic Headlight Unit). It provides a stable and durable connection point for sidelights, helping ensure consistent illumination through its robust metal construction and reliable fit.Explore the key features of this sidelight bulb holder:Metal Housing Construction: Made from metal rather than plastic, this holder offers increased heat resistance and mechanical durability, reducing the risk of warping or wear over time and helping to maintain a secure electrical connection for reliable sidelight performance.BA9s Socket Compatibility: Specifically engineered to fit BA9s base bulbs such as the T4W 12V 4W, the socket ensures a tight and precise fit, which supports stable electrical contact and reduces the likelihood of flickering or loose connections during operation.Fitment for Plastic Reflector Headlamps: Designed to w