This starter relay is compatible with models including 110, 50, Outlaw 50, 90, and YFZ50.It replaces OEM part numbers 0453488 and BD3-H1940-00-00 and is designed for direct fit installation.The relay measures 3 inches in length, 2 inches in height, and 2 inches in width, with a diameter of 2.5 inches.It is rated for up to 105℃ and meets CCC certification standards.Suitable for off-road motorcycles and ATVs requiring starter relay functionality, it supports consistent power transfer from ignition to starter motor under various operating conditions.