Dynamic Friction 355-73021 Brake Master Cylinder

Brand	Dynamic Friction 355-73021
Product line	DFC Brake Master Cylinder
Fits	Audi · 4 vehicles

OE direct replacement. Brake master cylinder for straightforward hydraulic system service.

Brake hydraulics component for restoring consistent pedal response.

$118.39Free shipping

In stock · usually ships same day before 1pm CST

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Brake Master Cylinder for Audi A3 Applications

The Dynamic Friction DFC Brake Master Cylinder, part number 355-73021, is a direct-fit brake hydraulic component for select Audi A3 applications. It is listed for vehicles equipped with an ATE cylinder, making it a focused replacement for brake system service on the Audi A3 and Audi A3 Quattro.

Key Features

Brake master cylinder for brake hydraulic repair
DFC Brake Master Cylinder product line from Dynamic Friction
Fits 2016 Audi A3, N/A, ATE cylinder
Fits 2014-2015 Audi A3, N/A, w/o IRS; ATE
Fits 2015 Audi A3 Quattro, N/A, ATE
Part number 355-73021 for application matching and catalog lookup

Detailed Description

The DFC Brake Master Cylinder line is built for brake system replacement where the original master cylinder has worn, leaked, or lost hydraulic performance. This Dynamic Friction 355-73021 master cylinder is cataloged for specific Audi A3 and Audi A3 Quattro models with ATE cylinder configurations, including 2016 Audi A3, 2014-2015 Audi A3 without IRS, and 2015 Audi A3 Quattro. Use 355-73021 when you need a brake master cylinder matched to the listed vehicle and brake hardware configuration.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

Brake pedal that feels soft or sinks under pressure
External brake fluid leakage at the master cylinder
Uneven or inconsistent hydraulic brake response
Loss of braking performance caused by internal seal wear
Service replacement for a failed original master cylinder

Installation Notes and Tips

Confirm the vehicle’s brake system configuration before ordering, including ATE cylinder application and the listed IRS note where applicable. After installation, bleed the brake system thoroughly and verify pedal feel, fluid level, and leak-free operation. Match the part number 355-73021 to the exact vehicle listing to avoid fitment errors.

Quality Assurance

Built for the DFC Brake Master Cylinder product line and cataloged to the specified Audi applications for accurate brake hydraulic replacement.

This part fits 4 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Fuel Type	Notes
2016	Audi	A3	DIESEL	ATE Cylinder; DFC Brake Master Cylinder
2015	Audi	A3	—	w/o IRS; ATE; DFC Brake Master Cylinder
2015	Audi	A3 Quattro	—	ATE; DFC Brake Master Cylinder
2014	Audi	A3	—	w/o IRS; ATE; DFC Brake Master Cylinder
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