Caterpillar Lamp Part Number—106-8964 from B&R Equipment. Call us at 817-379-9922 and ask for Jose. http://www.brequipmentco.com A lamp that fits Cat D5H, Cat D6r dozer, Cat 963C track loader, Caterpillar 973 crawler loader, Caterpillar D10N Dozer, Cat D11 dozer, Cat D5m, and Cat D8r dozer