Luk LMC661 Clutch Master Cylinder

Clutch Master Cylinder for Cadillac CTS

The LuK LMC661 clutch master cylinder is a direct-fit manual transmission component for 2003-2007 Cadillac CTS models. It is built as a new part and includes the push rod and installation instructions for a straightforward replacement on the hydraulic clutch release system.

Key Features

• Fits 2003-2007 Cadillac CTS
• LuK LMC661 clutch master cylinder
• New part construction
• Push rod included
• Installation instructions included
• Pre-filled fluid: No
• Pre-bled system: No
• Clutch slave cylinder included: No

Product Details

LuK has extensive experience in hydraulic clutch release systems, and this master cylinder reflects that focus with a service replacement built for manual transmission applications. The LMC661 is intended for Cadillac CTS vehicles that need a replacement clutch master cylinder to restore hydraulic clutch pedal operation and consistent release performance. This part cross-references AMS Automotive M0449 for the same application.

Common Issues This Part Can Address

• Soft or inconsistent clutch pedal feel
• Difficulty disengaging the clutch
• Hydraulic fluid leakage at the master cylinder
• Reduced clutch release response
• Pedal travel changes caused by master cylinder wear

Installation Notes

Fits 2003-2007 Cadillac CTS, N/A. Verify hydraulic line routing, pedal connection, and system condition before installation. Because this unit is not pre-filled or pre-bled, the hydraulic system must be filled and bled after installation. The included installation instructions and push rod help support a proper replacement process. LuK LMC661 is also referenced by part numbers 136.62012 and 72661.

Quality Assurance

LuK is recognized for its work in clutch release system development, including the transition from mechanical to hydraulic designs. The LMC661 is a new replacement part built for manual transmission service and backed by LuK engineering experience in complete clutch release systems.