Genuine OEM Audi Brake Master Cylinder Assembly, part number 5Q1611301D. This critical component generates the hydraulic pressure required to actuate the vehicle's braking system, and includes the integrated fluid reservoir. Designed for Left-Hand Drive (LHD) configurations, it is typically mounted on the firewall. Constructed from durable metal for the cylinder body and robust plastic for the reservoir, genuine OEM master cylinders ensure precise fluid displacement and consistent brake pedal feel, crucial for reliable and safe braking performance.

Catalogue entry: TANK.

Fitted with: 4M0611817 BUNGS, WHT007916 SCREW.