LuK LMC644 Clutch Master Cylinder

The LuK LMC644 Clutch Master Cylinder is a premium OE-quality replacement component engineered to restore precise clutch pedal feel and reliable hydraulic clutch actuation. LuK, a leading global supplier of clutch and drivetrain components, manufactures this master cylinder to meet or exceed original equipment specifications, ensuring a direct-fit replacement with no modifications required.

The clutch master cylinder is a critical part of the hydraulic clutch system, converting mechanical pedal input into hydraulic pressure that actuates the clutch slave cylinder and disengages the clutch. A worn or leaking master cylinder can result in a soft or spongy pedal, difficulty shifting, or complete clutch failure — making timely replacement essential for safe and reliable vehicle operation.

Key Features:

• Manufactured by LuK, a trusted OE supplier to major automotive manufacturers worldwide
• Designed to meet or exceed original equipment specifications for a precise fit and reliable performance
• Precision-machined bore for consistent hydraulic pressure and smooth clutch engagement
• High-quality seals and internal components for long-lasting, leak-free operation
• Direct-fit replacement — no drilling, cutting, or modification required
• Restores proper clutch pedal feel and hydraulic clutch system function

The LuK LMC644 is the dependable choice for restoring your vehicle's clutch hydraulic system to factory performance standards.