Vaico V10-2590 Engine Crankcase Vent Valve

Engine Crankcase Vent Valve for Volkswagen

The Vaico V10-2590 engine crankcase vent valve is a pressure-controlled breather valve for the crankcase ventilation system. It mounts at the cylinder head and uses a Polyamid 6.6 housing for a compact, OE-style service replacement on select Volkswagen applications.

VAICO product line components are built for direct-fit maintenance work in European vehicle systems, with attention to factory-style dimensions and application-specific placement. This V10-2590 valve follows that approach for crankcase ventilation service on Volkswagen EuroVan, Golf, and Jetta models listed below.

• Pressure-controlled breather valve for crankcase ventilation service
• Fitting position: cylinder head
• Housing material: Polyamid 6.6
• Dimensions: 111 mm length, 91 mm width, 57 mm height
• Recommended replacement interval: 60,000 km or 3 years
• Cross-reference part numbers: 023 129 101, 23 129 101

Detailed Product Overview

Vaico V10-2590 is an engine crankcase vent valve designed to regulate pressure in the crankcase ventilation system and route vapors through the breather circuit. Proper crankcase ventilation helps maintain stable engine operation and supports clean airflow management at the cylinder head. This part number, V10-2590, is listed for 1993-1995 Volkswagen EuroVan and 1990-1992 Volkswagen Golf and Jetta applications.

Fits 1993-1995 Volkswagen EuroVan, N/A. Fits 1990-1992 Volkswagen Golf, N/A. Fits 1990-1992 Volkswagen Jetta, N/A.

What This Part Helps Address

• Excess crankcase pressure
• Oil vapor control issues in the ventilation system
• Breather valve wear from age and heat cycling
• Service intervals reached on Volkswagen crankcase ventilation components
• Fitment-specific replacement needs for Volkswagen EuroVan, Golf, and Jetta

Installation Notes and Tips

Install at the cylinder head in the original breather valve location and verify the surrounding ventilation hoses and seals are in good condition before reassembly. Confirm the part number V10-2590 against the vehicle’s existing valve and compare the OE cross-reference numbers before ordering. For maintenance planning, Vaico lists a replacement interval of 60,000 km or 3 years.

Quality Assurance

VAICO focuses on application-specific replacement parts for European vehicles, with dimensions and operating mode matched to the listed crankcase ventilation use case. This helps support consistent fitment on the specified Volkswagen models when the original valve is due for service.