This brake master cylinder is precision-engineered to match the design, function, and performance of the original master cylinder on specific vehicle years, makes and models. It is made of new, high-quality materials for a safe, durable replacement. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Dodge Ram 4500: 2008, 2009, 2010] - [Dodge Ram 5500: 2008, 2009, 2010] - [Ram 4500: 2011, 2012] - [Ram 5500: 2011, 2012]