Genuine 06B103221L Engine Crankcase Breather Hose Connector

Engine Crankcase Breather Hose Connector for Audi

This Genuine engine crankcase breather hose connector, part number 06B103221L, is a direct-fit emission control component for the crankcase ventilation system. It is used at the valve cover on select Audi A4 and Audi A4 Quattro models.

Key Features

• Genuine OE replacement part for crankcase ventilation service
• Engine crankcase breather hose connector for the emission control system
• Mounts at the valve cover
• Fits 2004-2006 Audi A4, N/A
• Fits 2004-2005 Audi A4 Quattro, N/A
• Part number 06B103221L for accurate ordering and fitment verification

Detailed Description

The 06B103221L breather hose connector is part of the crankcase ventilation system that routes vapors through the engine’s emission control plumbing. On the Audi A4 and Audi A4 Quattro applications listed here, this connector installs at the valve cover and serves as the connection point for the breather hose assembly. Using the correct Genuine replacement helps maintain proper hose routing and a secure connection in the crankcase ventilation circuit.

Search for this part when you need a Genuine 06B103221L connector for a 2004-2006 Audi A4 or a 2004-2005 Audi A4 Quattro at the valve cover. The part number 06B103221L is also useful when confirming the exact breather hose connector required for your vehicle.

Common Issues This Part May Address

• Cracked or broken breather hose connector at the valve cover
• Loose crankcase ventilation hose connection
• Oil vapor leakage around the ventilation fitting
• Damaged emission control hose routing at the valve cover
• Incorrect replacement connector during Audi A4 or Audi A4 Quattro repair

Installation Notes and Tips

Verify the valve cover connection point before installation and compare the existing connector to part number 06B103221L. Confirm vehicle year, model, and engine-side routing before service. For best results, inspect the attached breather hose and surrounding crankcase ventilation components for wear or damage during replacement.

Quality Assurance

This is a Genuine replacement part identified by OE part number 06B103221L. It is intended for the listed Audi A4 and Audi A4 Quattro applications and should be matched to the vehicle’s original valve cover connection style.