The Ignition Lock Cylinder and Switch by Standard is a high-quality ignition switch designed for vehicles. This product comes with a manufacturer warranty and includes the necessary parts for installation, such as the OE/OEM part numbers 946435, 947399, and J947399. The US-100 switch is a reliable component that ensures smooth and efficient ignition system performance in your car or truck. With its durable construction and precise design, this ignition lock cylinder and switch is a crucial component for maintaining your vehicle's ignition system functionality.