Vaico Crankcase Ventilation Valve - V10-4638
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eBayBreather valve, engine breather engine sided Breather Valve V10-4638 VAICO
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VAICO V10-4638 Valve, engine block breather for AUDI,SEAT,SKODA,VW£5.90 delivery£8.05Visit shop →
Engine Side VAICO V10-4638 Valve, engine block breather for AUDI,SEAT,SKODA,VWFree delivery in 1–3 days£13.74Visit shop →
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VALVE CRANKCASE VENTILATION V10-4638 FOR YZ/EG 1.6L DZ/DX/JJ/AEB/AGU/AJL 4cylFree delivery in 1–3 days£17.72Visit shop →
VALVE CRANKCASE VENTILATION V10-4638 FOR YZ/EG 1.6L DZ/DX/JJ/AEB/AGU/AJL 4cylFree delivery in 1–3 days£22.21Visit shop →
AutodocVAICO Valve, engine block breather VW,AUDI,SKODA V10-4638 035103245A,35103245A,034103245A 035103245A,34103245A,35103245A,034103245A,035103245A
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Product Information
Full details
The Vaico V10-4638 is a precision-engineered crankcase ventilation valve designed for DIY enthusiasts and mechanics looking to maintain optimal engine health in Volkswagen, Audi, Skoda, and Seat vehicles. By effectively managing internal engine pressure, this high-quality replacement part helps prevent oil leaks and maintains engine efficiency, though users must be diligent in verifying OE part numbers to ensure a perfect fitment for their specific engine code.
All features
| Model Part Number | V10-4638 |
|---|---|
| Brand | Vaico |
Extended Product Information
FAQs
How do I know if my crankcase ventilation valve is bad?
Common signs include oil leaks, increased oil consumption, a strong smell of oil, or an erratic engine idle.
Which vehicle brands is this valve compatible with?
This valve is compatible with Volkswagen, Audi, Skoda, and Seat models that share the specified OE part numbers.
Do I need special tools to replace this part?
Typically, you only need standard screwdrivers or pliers to loosen the hose clamps, though access varies by vehicle model.
What is the recommended replacement interval?
It is recommended to inspect or replace this unit every 60,000 km or every 3 years.
Can I use this for any VW model?
No, you must verify the OE part number (034103245A, 035103245A, 34103245A, or 35103245A) against your vehicle to ensure compatibility.
Troubleshooting
Engine oil leaks after installation
Verify that all hose clamps are tight and that the valve is seated correctly with its gasket or O-ring.
Rough idle persists after replacement
Check the rubber vacuum hoses connected to the valve for splits or air leaks that may prevent proper system vacuum.
Pros and Cons
Pros
- Matches strict original equipment quality standards
- Essential for preventing long-term engine seal damage
- Cost-effective alternative to dealership-only parts
- Durable housing ensures a long service life
Cons
- Requires precise OE part number matching
- Installation can be cramped in some engine bays
- Replacement requires basic mechanical knowledge
Setup, Compatibility & Care
Before installation, confirm your original part matches OE numbers 034103245A, 035103245A, 34103245A, or 35103245A. Ensure the engine is cool before beginning to avoid accidental contact with hot components. During installation, verify that all hoses connected to the valve are free from cracks or dry rot, as these often fail at the same time as the valve itself. For long-term care, follow the manufacturer's recommendation to inspect or replace this valve every 60,000 km or 3 years to prevent pressure build-up.