Genuine OEM Volkswagen Brake Caliper Housing, part number 5WA615124D. This housing encloses the brake pads and piston, applying pressure to the brake disc to slow or stop the vehicle. It is a critical component of the braking system. The housing is typically made of cast iron or aluminum for durability and heat dissipation. Genuine OEM calipers ensure precise fitment and optimal performance, maintaining the vehicle's braking integrity and safety standards.