171611019AEC KMM Brake Master Cylinder; 20.64mm Bore
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KMM Brake Master Cylinder; 20.64mm Bore | 171611019AEC

VW Jetta, Rabbit, Scirocco, Rabbit Pickup, Rabbit Convertible
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Make Sure It Fits

P/N: 171611019AEC KMM
Description:
20.64mm Bore
For models with power brakes with ATE servo. 1 per car.
Cross References:
  • 171611019A
  • 53754011658
  • W01331611297

The master cylinder is a hydraulic cylinder that uses hydraulic pressure to transfer force to operate another hydraulic cylinder. In automobiles, master cylinders operate both braking and clutches for manual transmissions. Master cylinders are located in the engine compartment and are mounted to the vehicle firewall or on a vacuum booster on vehicles with power-assisted brakes. The master cylinder operates using a pushrod that connects the master cylinder to a pedal in the passenger compartment through the vehicle firewall.

Master cylinders fail when the seals in the cylinder leak, preventing the master cylinder from building pressure and replacing the hydraulic fluid with air.

Signs of Faulty Master Cylinders
  • A soft squishy control pedal
  • A control pedal that goes straight to the floor of the vehicle
  • A pedal that you must pump to operate the hydraulic system
  • Clear or brown fluid dripping from the master cylinder

When replacing a master cylinder in your VW, you must bleed the whole hydraulic system to be free of air. This is because the air in a hydraulic system is compressible, unlike the hydraulic fluid, making the hydraulic system unresponsive.

View more VW Master Cylinders.

Left = Driver side and Right = Passenger side.
All parts are priced individually unless identified as a set or kit. "Per car" notes identify how many of a given part your car has and "Left/Right or Front/Rear" notes means the part fits the left or right side of the car. These parts are still sold individually and you'll need to select the appropriate quantity if you plan to replace more than one of this item.

Why Buy OEM & Genuine Replacement Auto Parts from AutohausAZ?

Auto parts at wholesale prices is what you will find at AutohausAZ. Have you been searching the web for auto parts for your vehicle? You have come to the right place! Here at Autohaus, we strive to offer low prices on quality replacement parts and providing first rate customer service.

What This KMM Brake Master Cylinder Fits?

Application information below is for reference only and should not be used to determine the exact vehicle fitment. Please use the "Make Sure It Fits" vehicle selection box above to determine the exact fitment and review any application notes. If you need any help determining if this part works with your vehicle, please don't hesitate to contact us.

VW
80-84 - Jetta Base, GL
20.64mm w/ ATE Servo
75-84 - Rabbit Base, GL, GTI, L, L Custom & more
20.64mm w/ ATE Servo
84-84 - Rabbit Convertible
20.64mm To 1/84 w/ ATE Servo
80-83 - Rabbit Convertible
20.64mm w/ ATE Servo
80-83 - Rabbit Pickup
20.64mm w/ ATE Servo
84-84 - Scirocco
20.64mm To 1/84 w/ ATE Servo
75-83 - Scirocco
20.64mm w/ ATE Servo