What does a brake master cylinder do?

The master cylinder is the heart of your vehicle's hydraulic braking system. When you press the brake pedal, it pushes fluid through the brake lines to activate the calipers or wheel cylinders, which then apply pressure to the rotors or drums to slow your vehicle.

What signs indicate my master cylinder needs replacing?

Common signs include a brake pedal that feels spongy or sinks to the floor when pressed, a low brake fluid level that can't be explained by leaks elsewhere, or a warning light on your dashboard related to the braking system.

Does this master cylinder come with brake fluid?

This DFC brake master cylinder does not include brake fluid. You will need to purchase the appropriate type of brake fluid for your vehicle separately and follow manufacturer guidelines for filling and bleeding the system.

DFC 14-21 Audi A3 Quattro Brake Master Cylinder

Specifications

Brand: DFC
Part #: 355-74012
UPC: 190920388620

DFC 14-21 Audi A3 Quattro Brake Master Cylinder

Name: DFC 14-21 Audi A3 Quattro Brake Master Cylinder
Brand: DFC
Price: 260.90 USD
Availability: InStock

$260.90

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 2016-2020 Audi A3 Quattro. This DFC brake master cylinder is a direct replacement, ensuring reliable hydraulic pressure for your braking system.

Key Features

Fits 2016-2020 Audi A3 Quattro.
Also fits select Volkswagen GTI, Golf Alltrack, Golf SportWagen, and Golf models.
Features a durable cast iron housing for strength and longevity.
Internal seals are formulated to resist brake fluid and maintain performance.
Designed as a direct replacement for proper fit and function.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Will this fit your vehicle?

Product Details

This DFC brake master cylinder is built with a cast iron housing, a material known for its strength and durability under pressure. It's designed to be a direct replacement for your factory unit, meaning it handles the critical job of converting the force from your brake pedal into hydraulic pressure that activates your brakes. When your master cylinder isn't working right, you might notice a spongy pedal or reduced stopping power, so getting a well-built replacement is key to keeping your Audi A3 Quattro safe and responsive on the road.

DFC has put this master cylinder together to meet the specific needs of your vehicle. The internal seals are made to resist brake fluid degradation, helping to prevent leaks and maintain consistent performance over time. Because it's a direct fit part, installation should be straightforward, aligning with your existing brake lines and mounting points without needing modifications. This makes it a solid option for getting your braking system back to its intended performance.