HomeEmission Control > Crankcase Ventilation SystemVaico V10-2504-1 Engine Crankcase Vent Valve
Part #: V10-2504-1

Vaico V10-2504-1 Engine Crankcase Vent Valve

VAICO
⚙️ 7 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦VAICO
🚗Fitment: Audi, 200 Quattro, S4, and S6
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Overview of VAICO Engine Crankcase Vent Valve V10-2504-1

The VAICO Engine Crankcase Vent Valve V10-2504-1 is designed for precise pneumatic operation, ensuring effective crankcase ventilation in select Audi models. This valve is engineered to meet the specifications of OE number 034 129 101 b, providing reliable emission control for your vehicle.

  • Compatible with Audi 200 Quattro, S4, and S6 models
  • Dimensions: 86 mm length, 65 mm width, 55 mm height
  • Lightweight design at 0.037 kg
  • Operates pneumatically for efficient crankcase pressure regulation
  • Part number V10-2504-1 for accurate identification

Detailed Product Description

This VAICO crankcase vent valve is part of the VAICO brand line, known for delivering quality emission control components. The valve’s pneumatic operating mode allows it to regulate crankcase pressure effectively, reducing harmful emissions and maintaining engine performance. With precise dimensions—86 mm in length, 65 mm in width, and 55 mm in height—this valve fits securely within the engine compartment of compatible Audi vehicles. Its lightweight construction at just 0.037 kg contributes to ease of handling and installation.

Compatible Vehicles and Applications

This crankcase vent valve is specifically designed for use in the following Audi models:

  • Audi 200 Quattro
  • Audi S4
  • Audi S6

It corresponds to the original equipment (OE) number 034 129 101 b, ensuring compatibility and performance consistent with factory standards.

Common Issues Addressed by This Valve

  • Prevents excessive crankcase pressure buildup
  • Reduces engine oil leaks caused by faulty ventilation
  • Helps maintain optimal engine performance and emissions control
  • Minimizes contamination of intake air with crankcase gases
  • Supports compliance with emission regulations

Installation Notes and Tips

When installing the VAICO V10-2504-1 crankcase vent valve, ensure the valve matches OE number 034 129 101 b for proper fitment. Verify the pneumatic connections are secure and free of leaks. Due to its compact size and lightweight design, careful handling during installation will prevent damage. It is recommended to inspect related hoses and seals for wear during replacement to maintain system integrity.

Quality Assurance and Warranty

VAICO products are manufactured to meet stringent quality standards, ensuring durability and reliable operation. This crankcase vent valve undergoes thorough testing to comply with OEM specifications. Warranty details are provided by the manufacturer and should be confirmed at the time of purchase.

BrandVaico
Part NumberV10-2504-1
PositionVAICO
for OE number034 129 101 b
Height [mm]55
Length [mm]86
Operating ModePneumatic
Packaging height [cm]8,1
Packaging width [cm]7,2
Weight [kg]0.037
Width [mm]65

This part fits 7 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
1995AudiS6Base2.2LL5N/AGrade: Aftermarket; With OE No. 034129101B; VAICO
1995AudiS6Avant2.2LL5N/AGrade: Aftermarket; With OE No. 034129101B; VAICO
1994AudiS4Base2.2LL5N/AGrade: Aftermarket; VAICO
1993AudiS4Base2.2LL5N/AGrade: Aftermarket; VAICO
1992AudiS4Base2.2LL5N/AGrade: Aftermarket; With OE No. 034129101B; VAICO
1991Audi200 Quattro20vN/AGrade: Aftermarket; With OE No. 034129101B; VAICO
1991Audi200 Quattro20v AvantN/AGrade: Aftermarket; With OE No. 034129101B; VAICO

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

034 129 101034 129 101 A034 129 101 B

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.