1OE Number: The part number for reference is 7H7290. Please confirm whether it is consistent with the OE you need. By doing so, you can reduce unnecessary trouble. 2Wide Application: Perfect replacement for Caterpillar Cat excavators,dump trucks, and other heavy equipment, as well as any location where a hinge pillar can be drilled with a 3/4 in main hole and a 1/4 in hole. 3Easy Mount: This product is a perfect replacement and can be perfectly adapted, allowing you to directly replace worn or damaged ignition switches. And the installation is simple, and can be completed independently. 4High Durability: The ignition switch is made of aluminum alloy material with meticulous craftsmanship, which has strong impact and scratch resistance, as well as moisture resistance, and can be used for a long time. 5Anti Theft: Disconnect ignition switch is equipped with a detachable key, which is very suitable for building and tractor equipment, making it an absolutely necessary anti theft device for on site equipment. It can be safely placed on site without the risk of theft.