Luk LMC668 Clutch Master Cylinder

Clutch Master Cylinder for Toyota and Scion Manual Transmissions

The LuK LMC668 clutch master cylinder is a new hydraulic replacement for manual transmission vehicles that need consistent clutch pedal operation and fluid pressure transfer. It is built for select Toyota Corolla, Corolla iM, Matrix, Scion iM, tC, xB, and Pontiac Vibe applications.

Key Features

• New part for manual transmission clutch hydraulic service
• Push rod included for installation convenience
• Installation instructions included
• Pre-filled fluid: No
• Pre-bled system: No
• Clutch slave cylinder included: No
• Heat shield included: No

Product Details

LuK LMC668 is a clutch master cylinder engineered for hydraulic clutch release systems. LuK and Schaeffler have extensive experience in the development of complete clutch release systems, and this part reflects that focus on hydraulic clutch control. It is a direct-fit replacement for manual transmission service on 2008-2019 Toyota Corolla, 2017-2018 Toyota Corolla iM, 2016 Scion iM, 2011-2016 Scion tC, 2008-2015 Scion xB, 2009-2013 Toyota Matrix, and 2009-2010 Pontiac Vibe applications. This part cross-references Dorman - First Stop CM640198 for the same application.

Common Problems This Part Can Address

• Soft or inconsistent clutch pedal feel
• Loss of hydraulic pressure in the clutch system
• Difficulty disengaging the clutch during shifting
• Fluid leakage at the master cylinder
• Clutch pedal travel that no longer operates smoothly

Installation Notes and Tips

Installation instructions are included. The push rod is included, but the unit is not pre-filled and is not pre-bled, so the hydraulic system must be filled and bled after installation. The clutch slave cylinder is not included, so inspect the full clutch hydraulic system before reassembly. Verify vehicle fitment by year, make, and model before ordering.

Quality Assurance

LuK is recognized for its role in the evolution of hydraulic clutch release systems and for its experience with complete clutch release system engineering. Part number LMC668 is a new replacement component built for the listed Toyota, Scion, and Pontiac manual transmission applications.