The 97-06 Jaguar X100 XK8 Expansion Tank Coolant Bottle Reservoir is a reliable and durable part made of plastic. It features a bolt-on mounting style, making installation easy. This coolant expansion tank is designed to fit specific Jaguar models from 1997 to 2006, providing a perfect fit for your vehicle. With a manufacturer warranty and durability testing, you can trust in the quality and longevity of this essential engine cooling component.