Replace your GE 4509X (MPC #41503) with this powerful PAR36 narrow spotlight marine light bulb. Operating at 13 volts and 100 watts, it delivers an intense 110,000 MBCP candle power with a 12H x 6V very narrow beam, perfect for precise illumination. Built with a durable 4.5" x 2.75" PAR36 glass size and 2 screw terminal base, it ensures reliable performance in demanding marine environments. With a 25-hour life, this spotlight is ideal for applications requiring focused, high-intensity lighting. Sold individually (1 pack).