Solenoid Valve - Febi Bilstein - 44789

The Febi Bilstein Solenoid Valve (part number 44789) is a precision-engineered component designed ...

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Product Information

Full details

The Febi Bilstein Solenoid Valve (44789) is designed for automotive technicians and vehicle owners looking for a reliable, high-quality replacement shift cylinder solenoid. It offers precise fluid control to maintain optimal transmission or system performance, adhering to original equipment (OE) standards for durability. While it is engineered for a precise fit, users should note that compatibility is specific to vehicle system requirements, and verification of part specifications is necessary before installation.

All features

Model Part Number44789
Brandfebi bilstein

Extended Product Information

FAQs

What is the primary function of the 44789 solenoid valve?

It serves as a shift cylinder solenoid valve, responsible for regulating fluid flow to actuate gear shifts in automotive systems.

Can I use this solenoid in any transmission system?

No, it is designed for specific applications. You must verify compatibility with your vehicle's make, model, and technical specifications.

What is the thread size of this valve?

This unit features an M10 x 1 internal thread.

What is the total length of the valve?

The total length of the Febi Bilstein 44789 solenoid valve is 76 mm.

Does this part come with a mounting bracket?

The unit features a 6.5 mm mounting point diameter for integration into your vehicle's existing mount; it does not include an external bracket.

How often should this valve be replaced?

It is typically replaced during transmission service intervals or when diagnostics indicate a failure in the solenoid performance.

Troubleshooting

Poor shifting performance after installation

Ensure all air is bled from the hydraulic system and verify that the electrical connector is fully seated.

Valve leaks at the mounting point

Verify that the threads are clean and that the valve was not cross-threaded during the initial setup.

Electrical fault codes persisting

Check the wiring harness for continuity and ensure the solenoid resistance meets the manufacturer's specified range.

Pros and Cons

Pros

  • High-quality OE standard replacement part
  • Precise dimensions for reliable fitment
  • Durable construction ensures long service life
  • Essential for smooth shift cylinder operation

Cons

  • Requires professional verification of compatibility
  • Specific thread sizing limits universal use
  • Sensitive component requires careful handling

Setup, Compatibility & Care

Proper installation is vital for the longevity of the solenoid valve. Always ensure the mounting area is clean and free of debris before threading the unit into place. Because this part uses an M10 x 1 internal thread, avoid cross-threading during installation, as this can damage both the valve and the mating component.

Compatibility Note: Always cross-reference the manufacturer part number 44789 with your specific vehicle's VIN or original part specifications, as automotive systems frequently utilize minor variations in solenoid design.

Care Instructions:

  • Keep the valve protected from dirt and moisture before installation.
  • Use recommended hydraulic fluids to prevent premature internal seal degradation.
  • Periodically inspect the wiring harness connection at the valve for signs of corrosion or heat damage.