Genuine OEM Volkswagen Tandem Master Cylinder, part number 5QM614019G. This is a critical component of the vehicle's braking system, responsible for converting pedal force into hydraulic pressure to operate the brakes. It is typically mounted on the brake booster. Manufactured to precise specifications, this master cylinder ensures consistent and reliable braking performance. Genuine OEM master cylinders are vital for maintaining the safety and responsiveness of your braking system.