What does a brake master cylinder do?

The brake master cylinder is the core component of your car's hydraulic braking system. When you press the brake pedal, it converts that mechanical force into hydraulic pressure, which then travels through the brake lines to activate your brakes.

What are the signs that my brake master cylinder needs replacement?

Common signs include a brake pedal that feels spongy or goes to the floor, a noticeable decrease in braking performance, or visible brake fluid leaks around the master cylinder unit itself.

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 Audi separately and ensure the system is properly bled after installation.

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Specifications

Brand: DFC
Part #: 355-73012
UPC: 190920388316

DFC 99-05 Audi A8 Brake Master Cylinder

Name: DFC 99-05 Audi A8 Brake Master Cylinder
Brand: DFC
Price: 97.86 USD
Availability: InStock

$97.86

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Fits 2001-2005 Audi Allroad Quattro. DFC brake master cylinder, part# 355-73012. Restores reliable braking performance.

Key Features

Fits 2001-2005 Audi Allroad Quattro, 1999-2001 Audi A4 Quattro, 2000-2001 Audi A6 Quattro, 2000-2003 Audi A8 Quattro, and 2001-2003 Audi S8.
Features a strong cast iron housing for durability.
Direct fit replacement for the original master cylinder.
Restores proper hydraulic pressure for reliable braking.
Part number 355-73012.

⚠️ 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 replace the original master cylinder on your 2001-2005 Audi Allroad Quattro, ensuring your braking system functions as intended. A properly working master cylinder is crucial because it's the heart of your hydraulic braking system, converting the force from your brake pedal into hydraulic pressure that pushes the brake pads against the rotors.

When your original master cylinder starts to wear out, you might notice a spongy brake pedal, a longer stopping distance, or even brake fluid leaks around the unit. This DFC replacement is a direct fit, meaning it's made to install in the same location and connect to the same brake lines as your factory unit, simplifying the replacement process. Having a solid, well-built master cylinder is key to maintaining consistent and safe braking performance, especially on a vehicle like the Allroad that can handle various driving conditions.

This part is specifically designed for a range of Audi models from the late 90s to the mid-2000s, including the A4, A6, A8, Allroad Quattro, and S8. Make sure to check the fitment details to confirm it's the right match for your specific Audi. Replacing a master cylinder is a job that requires careful attention to bleeding the brake system afterward to remove any air, ensuring optimal brake feel and function.