This ATE main brake cylinder, part number 03.4152-0116.3, is engineered to be a direct fit for your vehicle's hydraulic brake system. As a critical component, the main brake cylinder converts the force applied to the brake pedal into hydraulic pressure, which then activates the brakes at each wheel. A properly functioning cylinder is essential for responsive and effective braking. ATE is a trusted brand in braking technology, known for producing high-quality components that meet stringent industry standards. This cylinder is designed for durability and consistent performance, ensuring your braking system operates as intended. Replacing a worn or faulty main brake cylinder is crucial for maintaining vehicle safety and driving confidence. This ATE part offers a reliable solution for your braking needs.