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Valeo Window Regulator - Left Front - 850494

Valeo Window Regulator - Left Front - 850494

This Valeo electric window regulator is designed for the front left side of the vehicle. It includ...

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Window Regulator Front Right 850495 Valeo Mechanism Lifter 504053528 504173866

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Product Information

Full details

The Valeo Electric Window Regulator (850494) is an essential replacement component for DIY mechanics and vehicle owners needing to restore functionality to their front left window. Designed specifically for models without automatic or comfort lift features, this unit provides a reliable, direct-fit solution that includes the necessary motor for immediate operation. While it offers high compatibility for manual-lift-equipped vehicles, users should verify their specific trim level to ensure they do not require the automatic comfort function variant before purchasing.

All features

Model Part Number850494
BrandValeo

Extended Product Information

FAQs

Does this regulator come with the motor?

Yes, this Valeo 850494 unit comes pre-assembled with an electric motor.

Can I use this for the passenger side?

No, this specific part is designed only for the front left (driver side) position.

What does 'non-comfort function' mean?

It means the window does not have the 'auto-up' or 'auto-down' feature that requires a one-touch operation.

How heavy is the unit?

The assembly weighs approximately 2.07 kg.

Does it come with mounting hardware?

It is designed to use your vehicle's existing hardware; please retain all original bolts during removal.

Is this a genuine Valeo part?

Yes, this is a genuine Valeo replacement part, model number 850494.

Troubleshooting

Window moves slowly or stalls

Check the window tracks for obstructions or dry seals and ensure the electrical connections are clean and fully seated.

Motor makes a click but window does not move

Verify the glass is not stuck in the frame and ensure the electrical connector is providing proper voltage.

Window operates in reverse (up is down)

Re-check the wiring harness connection to ensure it is oriented correctly; if an aftermarket harness is used, check for pin polarity.

Pros and Cons

Pros

  • Complete assembly including motor reduces installation time
  • Direct-fit design ensures easy integration with existing vehicle mounting points
  • High-quality manufacturing from a reputable automotive parts brand
  • Precise electrical design for non-comfort window systems

Cons

  • Not compatible with vehicles equipped with automatic or comfort window functions
  • Requires door panel removal for installation
  • Specific to front-left side only

Setup, Compatibility & Care

Installation requires removing the interior door card and moisture barrier to access the regulator assembly. Ensure the window glass is properly supported with painter's tape or a helper before disconnecting the old unit to prevent it from sliding down.

Compatibility Note: This part (850494) is only for non-automatic/non-comfort systems. Verify your current motor connector pin count and your vehicle's build sheet before installation.

Care: To extend the life of the regulator, ensure the window track seals are clear of debris. Avoid forcing the window up if it encounters resistance, as this puts unnecessary strain on the regulator cables.

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