HomeEmission Control > Crankcase Ventilation SystemVaico V20-0791 Engine Crankcase Vent Valve
Part #: V20-0791

Vaico V20-0791 Engine Crankcase Vent Valve

VAICO
22 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
VAICO
Fitment: BMW, 540i, 740i, 740iL, and 840Ci
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Overview of the VAICO Engine Crankcase Vent Valve V20-0791

The VAICO Engine Crankcase Vent Valve V20-0791 is designed for precise mechanical operation in BMW vehicles. This non-return valve plays a critical role in the crankcase ventilation system, ensuring proper emission control and engine performance for models like the BMW 540i, 740i, 740iL, and 840Ci.

  • Brand: VAICO
  • Part Number: V20-0791
  • Valve Type: Non-return valve
  • Operating Mode: Mechanical
  • Dimensions: 200 mm length, 135 mm width, 60 mm height
  • Weight: 0.288 kg

Detailed Product Description and VAICO Brand Line

The VAICO brand line specializes in emission control components, focusing on durability and precise fitment for European vehicles. The V20-0791 crankcase vent valve is engineered to meet OEM specifications, providing reliable mechanical operation within the crankcase ventilation system. Its non-return valve design prevents backflow, maintaining optimal pressure and reducing harmful emissions. The valve’s compact dimensions (200 mm length, 135 mm width, and 60 mm height) allow for seamless integration into the engine bay of compatible BMW models.

Compatible BMW Models and Applications

This crankcase vent valve is compatible with several BMW models, including the 540i, 740i, 740iL, and 840Ci. It is specifically designed to replace the original valve in these vehicles, ensuring proper crankcase ventilation and emission control. The part number V20-0791 should be referenced when searching for a replacement valve for these BMW models.

  • Prevents crankcase pressure buildup
  • Reduces engine oil contamination
  • Helps maintain emission standards
  • Prevents backflow of gases into the engine
  • Supports engine performance and longevity

Installation Notes and Tips

Installation of the VAICO V20-0791 crankcase vent valve requires basic mechanical knowledge and appropriate tools. Ensure the engine is cool before beginning installation. Remove the old valve carefully to avoid damage to surrounding components. Verify the valve orientation matches the original part, as the non-return valve function depends on correct installation. After installation, check for leaks and proper operation during engine start-up.

Quality Assurance and Warranty

VAICO products are manufactured to meet strict quality standards, ensuring reliable performance and durability. The V20-0791 crankcase vent valve undergoes rigorous testing to comply with OEM specifications. While specific warranty details may vary, VAICO typically offers coverage against manufacturing defects. Refer to the product documentation or supplier for exact warranty terms.

BrandVaico
Part NumberV20-0791
PositionVAICO
Height [mm]60
Length [mm]200
Operating ModeMechanical
Packaging height [cm]21,25
Packaging width [cm]13,75
Valve typeNon-return Valve
Weight [kg]0.288
Width [mm]135

This part fits 22 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2003BMW540iBase4.4LV8N/AGrade: Aftermarket; Incl.Cover,Seals; With OE No. 11611745103; VAICO
2002BMW540iBase4.4LV8N/AGrade: Aftermarket; Incl.Cover,Seals; With OE No. 11611745103; VAICO
2001BMW540iBase4.4LV8N/AGrade: Aftermarket; Incl.Cover,Seals; With OE No. 11611745103; VAICO
2001BMW740iBase4.4LV8N/AGrade: Aftermarket; Incl.Cover,Seals; With OE No. 11611745103; VAICO
2001BMW740iLBase4.4LV8N/AGrade: Aftermarket; Incl.Cover,Seals; With OE No. 11611745103; VAICO
2000BMW540iBase4.4LV8N/AGrade: Aftermarket; Incl.Cover,Seals; With OE No. 11611745103; VAICO
2000BMW740iBase4.4LV8N/AGrade: Aftermarket; Incl.Cover,Seals; With OE No. 11611745103; VAICO
2000BMW740iLBase4.4LV8N/AGrade: Aftermarket; Incl.Cover,Seals; With OE No. 11611745103; VAICO
1999BMW540iBase4.4LV8N/AGrade: Aftermarket; Incl.Cover,Seals; With OE No. 11611745103; VAICO
1999BMW740iBase4.4LV8N/AGrade: Aftermarket; Incl.Cover,Seals; With OE No. 11611745103; VAICO
1999BMW740iLBase4.4LV8N/AGrade: Aftermarket; Incl.Cover,Seals; With OE No. 11611745103; VAICO
1998BMW540iBase4.4LV8N/AGrade: Aftermarket; Incl.Cover,Seals; With OE No. 11611745103; VAICO
1998BMW740iBase4.4LV8N/AGrade: Aftermarket; Incl.Cover,Seals; With OE No. 11611745103; VAICO
1998BMW740iLBase4.4LV8N/AGrade: Aftermarket; Incl.Cover,Seals; With OE No. 11611745103; VAICO
1997BMW540iBase4.4LV8N/AGrade: Aftermarket; Incl.Cover,Seals; With OE No. 11611745103; VAICO
1997BMW740iBase4.4LV8N/AGrade: Aftermarket; Incl.Cover,Seals; With OE No. 11611745103; VAICO
1997BMW740iLBase4.4LV8N/AGrade: Aftermarket; Incl.Cover,Seals; With OE No. 11611745103; VAICO
1997BMW840CiBase4.4LV8N/AGrade: Aftermarket; Incl.Cover,Seals; With OE No. 11611745103; VAICO
1996BMW740iLBase4.4LV8N/AGrade: Aftermarket; Incl.Cover,Seals; With OE No. 11611745103; VAICO
1996BMW840CiBase4.4LV8N/AGrade: Aftermarket; Incl.Cover,Seals; With OE No. 11611745103; VAICO
1995BMW840CiBase4.0LV8N/AGrade: Aftermarket; Incl.Cover,Seals; With OE No. 11611745103; VAICO
1994BMW840CiBase4.0LV8N/AGrade: Aftermarket; Incl.Cover,Seals; With OE No. 11611745103; 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:

1 745 1031 745 18311 61 1 745 18311 61 7 501 5631161174510320143161533140360007409094503796P13997 501 563911899PCV530PCV530WELLS

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