The Genuine Audi Disc Brake Caliper Piston Seal - 4H0698471 is a high-quality, OEM replacement part designed specifically for Audi vehicles. This seal is responsible for creating a tight seal between the brake caliper piston and the caliper bore, preventing any leakage of brake fluid and ensuring proper braking performance. It is made from durable materials to withstand the high temperatures and pressures of the braking system. This seal is compatible with various Audi models and is an essential component for maintaining the safety and functionality of your vehicle's braking system.