Gates EMH905 Engine Crankcase Vent Valve - PCV Valve

Overview of Gates Crankcase Vent Valve EMH905

The Gates Crankcase Vent Valve EMH905 is designed to maintain proper ventilation within the engine crankcase, helping to reduce emissions and improve engine performance. This valve is compatible with select Audi and Volkswagen models, including the A3, A4, Golf, Jetta, and Passat.

• Constructed from durable plastic material for reliable operation
• Features two hose connectors for efficient crankcase ventilation
• Inside diameters of 0.767 inches (19 mm) and 0.887 inches (23 mm) to fit specific hose sizes
• Part number EMH905 ensures precise fitment for compatible vehicles
• Designed for use in emission control crankcase ventilation systems

Detailed Product Description

The Gates Crankcase Vent Valve EMH905 is an engine crankcase vent valve made from plastic, engineered to regulate the flow of gases from the crankcase to the intake manifold. It features two hose connectors with inside diameters of 0.767 inches (19 mm) and 0.887 inches (23 mm), allowing it to connect securely to the vehicle’s ventilation hoses. This valve is part of the Crankcase Vent Valve product line by Gates, which focuses on emission control components that help maintain engine efficiency and reduce harmful emissions.

Compatible with Audi and Volkswagen vehicles such as the A3, A3 Quattro, A4, A4 Quattro, Golf, Golf R, Jetta, Jetta City, and Passat, the EMH905 is designed to meet the specific requirements of these models’ crankcase ventilation systems. The plastic construction offers resistance to heat and chemical exposure commonly found in engine compartments.

Common Applications and Issues Addressed

• Prevents excessive pressure buildup in the engine crankcase
• Reduces oil leaks caused by crankcase overpressure
• Helps control harmful emissions by routing gases properly
• Improves engine performance by maintaining proper ventilation
• Prevents contamination of the intake system with crankcase vapors

Installation Notes and Tips

When installing the Gates Crankcase Vent Valve EMH905, ensure that the hose connectors match the specified inside diameters of 0.767 inches (19 mm) and 0.887 inches (23 mm) for a secure fit. Verify compatibility with your specific Audi or Volkswagen model before installation. Proper routing of hoses is essential to maintain system integrity and prevent leaks.

Quality Assurance and Warranty

Gates manufactures the Crankcase Vent Valve EMH905 to meet industry standards for emission control components. The plastic material and design are tested for durability and resistance to engine environment conditions. Please refer to Gates’ official warranty policy for coverage details related to this part.