General description The Pair Rear Brake Caliper is designed for various models including Audi A3, Seat Altea, and VW Golf. It functions as a clamp on the wheel's rotor to stop the wheel from turning when the brakes are applied. The caliper features a lightweight aluminum construction, which helps improve fuel consumption and enhances brake performance by keeping the brake system cooler. Technical specifications Material: Aluminum Piston Diameter: 38 mm Installation Size: 118 mm (±0.1 mm) Brake Disc Diameter: 302 mm Brake Disc Thickness: 10 mm Type: Floating Caliper OE Numbers: 1K0615423A, 1K0615424A, and others Compatibility and accessories This brake caliper is compatible with the following models: Audi A3 8P1 (2003-2012) Audi A3 8PA (2004-2013) Audi A3 8P7 (2008-2013) Seat Altea 5P1 (2004-2016) Seat Leon 1P1 (2005-2012) VW Golf MK V (2003-2009) VW Golf MK VI (2008-2013) And many more as listed in the detailed specifications. Installation Professional installation is highly