Metelli 05-0733 Brake Master Cylinder

Metelli New Master Cylinder for Audi Brake Systems

Metelli part number 05-0733 is a new brake master cylinder built with an aluminium housing and a 26.99 mm bore diameter. It is a direct-fit hydraulic replacement for select Audi A6, A6 Quattro, S4, S6, RS4, and RS6 applications, with no reservoir included.

Key Features

• Brand: Metelli New Master Cylinder line
• Part number: 05-0733
• Brake master cylinder for hydraulic brake systems
• Aluminium housing for lightweight, corrosion-resistant construction
• 26.99 mm master cylinder bore diameter
• New condition replacement part
• Reservoir not included

Product Details

The Metelli New Master Cylinder line focuses on replacement hydraulic brake components built for OE-style fitment and function. This 05-0733 master cylinder is specified for Audi platforms that require a 26.99 mm bore and aluminium housing, making it a relevant replacement for brake system service on 2003-2011 Audi performance and luxury models. Use this part number 05-0733 when matching the correct hydraulic brake master cylinder for Audi A6, Audi A6 Quattro, Audi S4, Audi S6, Audi RS4, and Audi RS6 applications.

This part cross-references Bosch 0 986 481 006 and Audi 4B3 611 021 for the same application.

Vehicle Fitment

• Fits 2006-2011 Audi A6, N/A
• Fits 2005-2011 Audi A6 Quattro, N/A
• Fits 2007-2011 Audi S6, N/A
• Fits 2010 Audi RS6, N/A
• Fits 2003-2004 Audi RS6, N/A
• Fits 2004-2009 Audi S4, N/A
• Fits 2007-2008 Audi RS4, N/A

Common Replacement Reasons

• Brake pedal travel that feels inconsistent or excessive
• Loss of hydraulic pressure in the brake system
• Internal master cylinder seal wear
• Brake fluid leakage at the master cylinder
• Restoring proper brake system response on Audi A6 and Audi S4 platforms

Installation Notes

Confirm bore diameter, housing material, and reservoir configuration before installation. Bleed the brake system thoroughly after replacement and verify all hydraulic connections are clean and properly tightened. Match the application to the exact Audi model and year listed above, including Audi A6 Quattro, Audi S6, and RS6 fitment.

Quality Assurance

Metelli manufactures this brake master cylinder as a new replacement component for hydraulic brake service. The part is identified by Metelli 05-0733 and is cataloged for direct application matching on the listed Audi vehicles.