This voltage regulator is a genuine OEM part made by Lucas, a trusted brand in the automotive industry. It is designed to fit a variety of vehicles including Austin, Morris, Ford, and Jaguar. The mounting style can be either screw-on or bolt-on depending on your preference. This vintage part has a matte finish and easy installation features, making it a durable and reliable option for your vehicle. It comes with no manufacturer warranty but is built to last. The UCB100 and 37672 interchange part numbers and the 37647 manufacturer part number ensure a perfect fit for your vehicle. This voltage regulator is not a performance part and is not considered universal fitment.