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VAICO V20 1794 Engine Blocks

For OE number: 11 61 7 547 185Manufacturer product code: V20 1794Brand new

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VAICO V20 1794 Engine Block Breather Hose

The VAICO V20 1794 Engine Block Breather Hose is a precision‑crafted component designed to maintain optimal engine operation by facilitating proper crankcase ventilation. This hose is engineered for use in a wide range of BMW models, including the 5‑Series, 6‑Series, 7‑Series, and X5. Its robust construction ensures reliable performance under the demanding conditions typical of high‑performance engines.

Key Functional Features

  • Crankcase Breather Functionality: The hose connects the engine block’s breather system to the vehicle’s ventilation network, allowing excess gases and vapors to escape safely.
  • High‑Temperature Resistance: Made from premium elastomeric material, the hose withstands temperatures up to 200 °C without degradation.
  • Durable Construction: Reinforced with a multi‑layered design that resists abrasion, oil exposure, and mechanical stress.
  • Flexible Yet Stiff: The hose offers a balance between flexibility for routing around engine components and stiffness to maintain shape under pressure.
  • Leak‑Proof Sealing: Equipped with a secure connector system that prevents leaks and ensures airtight operation.

Compatibility Overview

The VAICO V20 1794 is specifically engineered for the following BMW engine families:

  • BMW 5‑Series (E60/E61)
  • BMW 6‑Series (E63/E64)
  • BMW 7‑Series (E65/E66)
  • BMW X5 (E53/E70)

Its dimensions and connector types are matched to the OEM specifications, ensuring a seamless fit without the need for additional adapters.

Installation Guidelines

  1. Preparation: Clean the engine block’s breather outlet and the hose connector area to remove oil, dirt, or debris.
  2. Connection: Slide the hose onto the breather outlet, aligning the connector pins. Secure with the provided clamp or fastener.
  3. Routing: Route the hose along the engine bay, avoiding sharp bends that could compromise flexibility or create pressure points.
  4. Securing: Use hose clamps at both ends to maintain tension and prevent movement during engine operation.
  5. Testing: After installation, start the engine and observe for any signs of leakage or abnormal pressure buildup.

Maintenance Tips

  • Regular Inspection: Check the hose for signs of wear, cracking, or oil staining every 10,000 km.
  • Cleaning: If the hose becomes contaminated, clean it with a mild solvent that does not damage elastomeric materials.
  • Replacement: Replace the hose if any deformation or leakage is detected to maintain engine integrity.

Material Composition and Performance Benefits

The VAICO V20 1794 utilizes a high‑grade silicone rubber compound that offers:

  • Superior Chemical Resistance: Protects against oil, fuel, and coolant exposure.
  • Extended Lifespan: Maintains flexibility and structural integrity for over 150,000 km.
  • Low Permeability: Minimizes vapor transmission, ensuring efficient engine breathing.

Environmental and Safety Considerations

By ensuring proper crankcase ventilation, the VAICO V20 1794 contributes to reduced emissions and improved engine longevity. Its design adheres to automotive safety standards, providing a reliable barrier against harmful gases.

Technical Specifications

Specification Value
Model Number V20 1794
Material High‑grade silicone rubber with multi‑layer reinforcement
Operating Temperature Range -40 °C to 200 °C
Pressure Rating Up to 10 bar
Length Variable (customizable to fit specific engine bay configurations)
Connector Type OEM compatible breather outlet connector

Conclusion

The VAICO V20 1794 Engine Block Breather Hose is a critical component for maintaining engine health and performance. Its meticulous design, durable materials, and precise compatibility make it an essential upgrade or replacement part for BMW enthusiasts seeking reliability and longevity in their powertrains.

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Identifiers

Brand
VAICO VAICO is a brand of car parts and accessories. It was founded in 1988 and is headquartered in Germany. The brand offers a wide range of products, including filters, brakes, clutches, and more.
Model
VAICO V20-1794
MPN
VAICO V20-1794
ID
7129317
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