The WAGNER BP894 Auxiliary, Backup, HEADLIGHT BULB BP894 is a high-quality light bulb designed for use as an auxiliary or backup headlight bulb in cars and trucks. Manufactured by Wagner, a trusted brand in lighting products, this bulb is specifically designed to provide reliable and bright illumination in emergency situations or when the main headlight bulb is not functioning properly. With the manufacturer part numbers BP894 and CLBBP894, this light bulb is a dependable option for ensuring visibility and safety on the road.