Vaico V10-4640 Engine Crankcase Breather Hose Check Valve

Overview of VAICO Engine Crankcase Breather Hose Check Valve

The VAICO V10-4640 Engine Crankcase Breather Hose Check Valve is designed for precise pressure-controlled operation in Volkswagen vehicles. Engineered to fit cylinder head positions, this component supports proper crankcase ventilation for models including the Volkswagen Golf, Jetta, Passat, and Cabrio.

• Fitting Position: Cylinder head
• Height: 85 mm
• Length: 205 mm
• Width: 120 mm
• Housing Material: Polyamid 6.6
• Seal Material: FPM (fluoride rubber) and ACM (polyacrylate rubber)
• Valve Type: Breather valve with check function
• Operating Mode: Pressure controlled
• Includes seal and seal ring
• Recommended Replacement Interval: 60,000 km or 3 years
• Weight: 0.180 kg

About the VAICO Brand Line

The VAICO product line focuses on high-quality automotive components designed to meet OEM specifications. This Engine Crankcase Breather Hose Check Valve from VAICO ensures reliable performance and durability by using advanced materials such as Polyamid 6.6 for the housing and specialized rubber seals. The VAICO line is tailored to provide precise fitment and function for Volkswagen vehicles, supporting emission control and engine efficiency.

Detailed Product Description

The VAICO V10-4640 check valve is a critical part of the crankcase ventilation system, installed at the cylinder head to regulate pressure and prevent backflow. Constructed with a durable Polyamid 6.6 housing, it withstands engine heat and chemical exposure. The dual seal system, using FPM and ACM rubber materials, ensures a tight, leak-free connection. Its pressure-controlled operation maintains optimal crankcase pressure, reducing emissions and protecting engine components. The valve’s dimensions (85 mm height, 205 mm length, and 120 mm width) are designed for exact fitment in Volkswagen Cabrio, Golf, Jetta, and Passat models.

Common Applications and Issues Addressed

• Prevents crankcase pressure buildup that can cause oil leaks
• Reduces harmful emissions by controlling crankcase gases
• Maintains engine performance by ensuring proper ventilation
• Prevents contamination of intake system with oil vapors
• Helps avoid engine damage related to faulty breather valves

Installation Notes and Tips

Install the VAICO V10-4640 check valve at the cylinder head position as specified. Ensure the seal and seal ring are properly seated to prevent leaks. Follow manufacturer torque specifications and inspect the surrounding hoses for wear or damage during replacement. Regular replacement every 60,000 km or 3 years is recommended to maintain system integrity.

Quality Assurance and Warranty

VAICO parts are manufactured to meet strict quality standards, using durable materials suitable for long-term engine operation. The V10-4640 check valve is designed for reliable performance in Volkswagen vehicles. Replacement intervals are recommended to ensure continued function. Warranty details should be confirmed with the parts provider or vehicle manufacturer.