This brake master cylinder cap is designed for use with Buick Roadmaster vehicles manufactured between 1991 and 1996. It is made of durable plastic and comes with a one-year manufacturer warranty for peace of mind. The part number is 18006073 and it is a direct replacement for the original cap.

Please note that fitment may vary and it is important to consult your vehicle's manual or a certified mechanic to ensure that this part is the correct one for your specific make and model.