Vaico V20-2643 Engine Crankcase Breather Pipe

Engine Crankcase Breather Pipe for BMW X5

The Vaico V20-2643 engine crankcase breather pipe routes crankcase vapors from the cylinder head cover to the suction pipe in the crankcase ventilation system. It is built for 2004-2006 BMW X5 applications with vent valve coverage and OE reference 11617563476.

VAICO focuses on OE-style replacement parts for European vehicles, and this VAICO product line is aimed at direct-fit service parts that match the original system layout and material requirements.

• Fitting position: from cylinder head cover to suction pipe
• Pressure controlled operating mode for crankcase ventilation regulation
• Diaphragm valve design
• Housing material: Polyamid 6.6
• Seal material: FPM (fluoride rubber) / ACM (polyacrylate rubber)
• Length: 235 mm; width: 145 mm; height: 80 mm
• Recommended replacement interval: 60,000 km or 3 years
• Recommended accessory part number: V20-2737

Built for BMW X5 crankcase ventilation service, the V20-2643 helps restore the vapor-routing path between the cylinder head cover and the suction pipe. This engine crankcase breather pipe is a direct replacement for vehicles listed with OE No. 11617563476 and cross-references BMW part numbers 7 563 476 and 11 61 7 563 476 for the same application. If you are searching for a BMW X5 crankcase breather pipe, BMW X5 vent valve-related replacement, or a Vaico V20-2643 crankcase ventilation pipe for 2004-2006 BMW X5 models, this part matches the specified system layout.

Common Issues This Part Can Address

• Cracked or brittle crankcase breather piping
• Oil vapor leaks in the crankcase ventilation circuit
• Restricted vapor flow between the cylinder head cover and suction pipe
• Fault codes or drivability concerns related to crankcase ventilation faults
• Vacuum loss caused by deteriorated breather pipe seals

Installation Notes and Tips

Verify the OE number and routing before installation, especially on 2004-2006 BMW X5 vehicles with vent valve equipment. Inspect the mating surfaces, suction pipe connection, and cylinder head cover outlet for wear or contamination before fitting the new pipe. Replace the recommended accessory V20-2737 if the system inspection shows related wear, and confirm the pressure-controlled diaphragm valve operates correctly after installation.

Quality Assurance

VAICO replacement parts are specified for OE-style service applications and are built to match the original crankcase ventilation layout for the listed BMW X5 fitment. Recommended replacement interval: 60,000 km or 3 years.