ATE Brake Master Cylinder for Audi A4, A5, Q5, S4, S5, and SQ5 (2008–2017)

The ATE brake master cylinder converts pedal force into hydraulic pressure for every caliper. It fits Audi A4, A5, Q5, S4, S5, and SQ5 models from 2008 to 2017, including quattro versions. A failing master cylinder shows up as a sinking pedal or fluid seeping at the booster.

Founded by Alfred Teves in 1906, ATE makes brake wear parts, hydraulic parts, special tools, and test equipment, and runs ISO 9001 certified quality management in every production facility.

Warranty: 24 Months / 24,000 Miles.

Technical Details

• Manufacturer: ATE
• Part number: 010940
• Part type: brake master cylinder

Fitment & Compatibility

Fitment depends on model year and trim, especially on the Q5, so confirm both before ordering. Bench-bleed the cylinder before installation and flush the system with fresh fluid. Check the fitment table below. PMB can confirm fit by VIN.