Vaico V10-4751 Engine Crankcase Breather Hose - Idle Valve To Intake Manifold

OE-Style Crankcase Breather Hose

The VAICO V10-4751 engine crankcase breather hose is an emission control component for the crankcase ventilation system. It routes vapors between the idle valve and intake manifold on listed Audi and Volkswagen applications, helping maintain proper crankcase ventilation and intake airflow.

Built to OE specifications, this VAICO hose measures 280 mm in length, 100 mm in width, and 40 mm in height. Its compact form factor and OE reference 06J103221 make it a direct-match service part for select Audi A4, Audi A6, Volkswagen GTI, and related models.

Key Features

• Engine crankcase breather hose for emission control service
• OE-style replacement for the crankcase ventilation system
• Length: 280 mm
• Width: 100 mm
• Height: 40 mm
• Lightweight design at 0.060 kg
• Cross-reference OE number: 06J103221
• VAICO part number V10-4751

Detailed Description

VAICO V10-4751 is an engine crankcase breather hose used in the crankcase ventilation system to connect the idle valve to the intake manifold on specific turbocharged Volkswagen Group vehicles. This part is listed for 2010-2015 Audi A5, Audi A5 Quattro, Audi A4, Audi A4 Quattro, Audi A6, and Audi A6 Quattro, plus 2012-2013 Volkswagen Beetle, 2013 Volkswagen Golf, 2010-2013 Volkswagen GTI, and 2012-2013 Volkswagen Jetta. If you are replacing a worn or cracked breather hose on an Audi A4 or Volkswagen GTI, V10-4751 provides the OE-numbered service match for the application.

VAICO’s VAICO line focuses on OE-style replacement parts for European vehicles, and this hose follows the listed OE reference for accurate service selection. This part cross-references OE number 06J103221 for the same application.

What It Helps Address

• Cracked or brittle crankcase breather hose material
• Vacuum leaks at the idle valve to intake manifold connection
• Unstable idle caused by ventilation hose leakage
• Oil vapor routing issues in the crankcase ventilation system
• Check engine light conditions related to intake air leaks

Installation Notes and Tips

Verify the OE number 06J103221 and confirm the hose routing before installation. Compare the removed hose to the listed dimensions of 280 mm length, 100 mm width, and 40 mm height to ensure the replacement matches the original layout. Inspect adjoining ventilation fittings, seals, and intake connections for wear before reassembly.

Quality Assurance

VAICO V10-4751 is an OE-style replacement part for European vehicle service applications and is cataloged to the OE reference listed above. Confirm fitment by year, make, model, and OE number before ordering.