Valeo Clutch Slave Cylinder - 874897

The Valeo Clutch Slave Cylinder 874897 is a high-quality replacement part designed for reliable pe...

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Full details

The Valeo Clutch Slave Cylinder 874897 is designed for automotive technicians and DIY enthusiasts seeking a high-quality replacement part to restore smooth clutch operation in compatible Citroen, Peugeot, DS, Opel, Vauxhall, and Fiat vehicles. Engineered to meet strict manufacturer standards, this cylinder provides reliable hydraulic pressure for consistent pedal feel and long-lasting durability, though it requires precise hydraulic system bleeding during installation to ensure optimal performance.

All features

Model Part Number874897
BrandValeo

Extended Product Information

FAQs

Is this a direct replacement for OEM part 9809468580?

Yes, the Valeo 874897 is designed to be fully compatible with OEM number 9809468580.

What tools do I need for installation?

You will need a basic metric socket set, a line wrench for the hydraulic fitting, and a vacuum bleeding tool or a partner to assist with manual bleeding.

Can I reuse the old hydraulic fluid?

No, it is highly recommended to flush the system with new, clean fluid to prevent contamination and damage to the internal seals of the new cylinder.

Does this part come pre-filled with fluid?

No, the cylinder is shipped dry and must be bled once installed on the vehicle.

Is this compatible with my Fiat vehicle?

Yes, this part is compatible with select Fiat models, but you should verify your specific VIN against the part's OEM cross-references.

Troubleshooting

Spongy or soft clutch pedal after installation

Air is likely trapped in the system; perform a full hydraulic clutch bleed to remove all air bubbles.

Difficulty shifting gears

Check for leaks at the slave cylinder mounting bores or hydraulic line connections, and verify that the cylinder is properly actuated.

Fluid leaking around the cylinder

Ensure the mounting bolts are torqued to manufacturer specifications and the hydraulic fitting is properly seated with a new crush washer if applicable.

Pros and Cons

Pros

  • Meets strict OEM performance standards
  • High build quality ensures long-term reliability
  • Wide compatibility with major European vehicle brands
  • Lightweight design at 0.21 kg for easier handling during install

Cons

  • Installation requires hydraulic system bleeding skills
  • Incorrect installation can lead to immediate failure
  • Requires professional-grade tools for proper fitment

Setup, Compatibility & Care

To ensure the longevity of the Valeo Clutch Slave Cylinder, follow these guidelines:

  1. Compatibility Check: Verify that your vehicle's current part matches OEM numbers 9809468580 or 3642763 before purchase.
  2. Hydraulic System: Always use the brake fluid type specified in your vehicle's service manual when filling the system.
  3. Bleeding: Air trapped in the slave cylinder is a common failure point; ensure the system is bled thoroughly using a vacuum bleeder or the manual pumping method.
  4. Maintenance: Regularly inspect the clutch hydraulic line for leaks or signs of weeping near the mounting bores to prevent pressure loss.