Vaico V10-4209 Brake Hydraulic Hose - Rear

Rear Brake Hydraulic Hose for Audi and Porsche

Vaico V10-4209 is a rear brake hydraulic hose built for select Audi and Porsche applications that use an M10 x 1 inner thread and a 443 mm overall length. It is a direct-fit replacement for rear brake hose service on models such as the Audi A4, Audi A5 Quattro, and Porsche Macan with the specified brake configuration.

Key Features

• Brake hydraulic hose for rear axle applications
• Inner thread size: M 10 x 1
• Overall length: 443 mm
• Dimensions: 20 mm height and 20 mm width
• Aftermarket replacement for select Audi and Porsche rear brake systems
• Part number: V10-4209

Detailed Product Information

VAICO V10-4209 is part of the VAICO product line, which focuses on application-specific replacement components for European vehicles. This rear brake hose is specified for rear installation and matches the listed thread size and length requirements used on a range of Audi A4, A4 Quattro, A5, A5 Quattro, S4, S5, RS5, Q5, SQ5, and Porsche Macan models. The part number V10-4209 is also referenced for cross-application lookup alongside OE-style equivalents used in the same rear brake hose position.

Compatible With 2009-2016 Audi A4, rear; 2009-2016 Audi A4 Quattro, rear; 2010-2014 Audi A5, rear; 2008-2017 Audi A5 Quattro, rear; 2010-2015 Audi S4, rear; 2008-2017 Audi S5, rear; 2013-2015 Audi RS5, rear; 2009-2017 Audi Q5, rear; 2014-2017 Audi SQ5, rear; and 2015-2017 Porsche Macan, rear, excluding ceramic composite brake applications.

This part cross-references Dorman - First Stop H621413 and Raybestos Brakes BH383488 for the same application.

Common Repair Uses

• Cracked or aging rear brake hose replacement
• Brake fluid seepage at the hose connection
• Soft or inconsistent brake pedal caused by hose deterioration
• Corrosion or wear at the rear brake line connection
• Service replacement for rear brake hydraulic routing on listed Audi and Porsche models

Installation Notes and Quality Assurance

Verify the rear hose length, M10 x 1 thread size, and vehicle brake configuration before installation. This hose is listed for rear position use and the Porsche Macan fitment excludes ceramic composite brakes. Confirm routing, connection points, and brake system condition during service, and bleed the brake system after replacement.

VAICO V10-4209 is cataloged as an aftermarket brake hydraulic hose for the specified applications and dimensions. Fitment data is provided for 66 vehicle applications across the 2008-2017 model years.