Vdo E22-041-094Z Fuel Pump

VDO E22-041-094Z Fuel Pump

The VDO E22-041-094Z Fuel Pump is a high‑performance, electrically driven fuel delivery system designed for modern gasoline engines. It delivers precise metering of fuel to the engine’s intake manifold or direct injection system, ensuring optimal combustion efficiency and reduced emissions.

Key Features

• Electric Drive: The pump operates on a low‑voltage electric motor, providing rapid response and consistent pressure across the entire operating range.
• Swirl Pot Design: Integrated swirl pot enhances fuel atomization, improving combustion stability and reducing knocking tendencies.
• High Flow Capacity: Capable of delivering up to 12 L/min at peak pressure, suitable for engines ranging from 1.6 L to 2.8 L displacement.
• Robust Construction: Made with corrosion‑resistant materials and sealed bearings, ensuring long service life even in harsh operating environments.
• Compact Footprint: The pump’s small size allows easy integration into tight engine bay spaces typical of Audi A6 C5 Avant, VW Passat B5, and similar platforms.

Technical Specifications

Design & Construction Details

The pump’s housing is fabricated from high‑strength aluminum alloy, providing a lightweight yet durable chassis. Internal components are assembled with precision machining to maintain tight tolerances, ensuring minimal leakage and optimal fuel flow characteristics.

The electric motor features sealed bearings that eliminate the need for external lubrication, reducing maintenance requirements. The integrated swirl pot is engineered to create controlled turbulence within the fuel stream, enhancing atomization before it reaches the combustion chamber.

Installation & Integration

• Mounting: Standard mounting brackets are included, allowing secure attachment to the engine block or transmission tunnel.
• Electrical Connection: The pump connects via a 12 V DC cable with polarity protection. A dedicated fuse protects the circuit from overloads.
• Fuel Line Interface: Flanged connections on both inlet and outlet ports accommodate standard fuel hoses, ensuring leak‑free operation.

Performance Benefits

The VDO E22-041-094Z Fuel Pump delivers consistent pressure across a wide range of engine speeds, which translates into:

• Improved throttle response and smoother acceleration.
• Reduced fuel consumption due to precise metering.
• Lower emissions thanks to optimal combustion.
• Enhanced reliability in high‑temperature or high‑humidity environments.

Applications

This pump is specifically engineered for use in:

• Audi A6 C5 Avant (3B5, 4B0)
• Volkswagen Passat B5 Variant (3B2)
• Other vehicles with similar engine configurations and fuel system architecture.

Maintenance Guidelines

While the pump is designed for long service life, periodic inspections are recommended:

• Check electrical connections for corrosion or looseness.
• Inspect fuel hoses for wear and replace if necessary.
• Verify that the swirl pot remains free of debris; clean with a soft brush if needed.

Conclusion

The VDO E22-041-094Z Fuel Pump combines advanced electric drive technology with a robust, compact design to deliver reliable fuel delivery for high‑performance gasoline engines. Its precise metering, efficient operation, and compatibility with popular European models make it an essential component for maintaining optimal engine performance and longevity.