LuK LSC640 Clutch Slave Cylinder

The LuK LSC640 clutch slave cylinder is a hydraulic transmission component for manual clutch release systems. It is built for direct-fit applications on select Fiat 500X and Dodge Dart models, with OE-style engineering informed by LuK and Schaeffler’s experience in hydraulic clutch release technology.

Key Features

• Clutch slave cylinder for manual transmission hydraulic release systems
• Direct-fit application for select 2013-2016 Dodge Dart and 2016-2018 Fiat 500X models
• OE-style replacement from LuK, a brand associated with clutch release system development
• Part number LSC640 for easy identification and ordering
• Cross-references Dorman - First Stop CS650212 and Mopar 68166658AA for the same application

Product Details

The LuK LSC640 is a clutch slave cylinder used in hydraulic clutch actuation systems to transfer pedal input through the transmission release circuit. It is a practical replacement choice for drivers servicing a manual transmission in a Dodge Dart or Fiat 500X, where consistent hydraulic operation is important for smooth clutch engagement and release. This part number, LSC640, is listed for 2013-2016 Dodge Dart and 2016-2018 Fiat 500X applications.

Common Issues It May Address

• Hard or inconsistent clutch pedal feel
• Hydraulic fluid leakage at the slave cylinder
• Difficulty disengaging the clutch
• Incomplete clutch release during shifting
• Transmission shifting problems related to hydraulic clutch actuation

Installation Notes

Verify the vehicle’s transmission and hydraulic clutch release setup before installation. After replacement, bleed the hydraulic system thoroughly to remove air from the circuit and confirm proper pedal operation. Always match the part number LSC640 and confirm fitment for the exact year and model before service.

Quality Assurance

LuK and Schaeffler bring extensive experience in hydraulic clutch release systems, supporting the design and application of this component for manual transmission service.