HomeTransmission > Manual Transmission ComponentsLuk LMC661 Clutch Master Cylinder
Part #: LMC661

Luk LMC661 Clutch Master Cylinder

⚙️ 7 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$191.34Free Shipping
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Cadillac, CTS
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Luk Clutch Master Cylinder for Cadillac CTS

The Luk LMC661 clutch master cylinder is designed specifically for manual transmission systems in Cadillac CTS models. This new part ensures reliable clutch operation by providing precise hydraulic pressure control, essential for smooth gear shifts.

Key Features of Luk LMC661 Clutch Master Cylinder

  • Includes installation instructions for straightforward replacement
  • Comes with a push rod for complete assembly
  • Does not include a clutch slave cylinder, sold separately
  • New part, ensuring no prior wear or damage
  • Requires manual bleeding as it is not a pre-bled system
  • Does not come pre-filled with fluid
  • No heat shield included

Detailed Description of the Luk LMC661 Clutch Master Cylinder

The Luk LMC661 clutch master cylinder is engineered to meet the specifications of Cadillac CTS manual transmission systems. As a critical component, it converts the mechanical force from the clutch pedal into hydraulic pressure, enabling the clutch to engage and disengage properly. This part includes a push rod and installation instructions, facilitating a more efficient replacement process. However, it does not come pre-filled with fluid or pre-bled, so proper bleeding of the hydraulic system is necessary after installation. The absence of a clutch slave cylinder means that it must be sourced separately if needed. This clutch master cylinder is a new component, ensuring durability and consistent performance for your Cadillac CTS.

Common Issues Addressed by the Luk LMC661 Clutch Master Cylinder

  • Difficulty in shifting gears due to hydraulic pressure loss
  • Clutch pedal feels spongy or sinks to the floor
  • Hydraulic fluid leaks in the clutch master cylinder area
  • Inconsistent clutch engagement or disengagement
  • Failure of clutch system to respond properly during operation

Installation Notes and Tips for Cadillac CTS Owners

  • Follow the included installation instructions carefully to ensure proper fitment
  • Bleed the clutch hydraulic system thoroughly after installation to remove air
  • Check for leaks around the master cylinder and hydraulic lines
  • Verify push rod adjustment for correct pedal travel and clutch engagement
  • Replace the clutch slave cylinder separately if signs of wear or failure are present

Quality Assurance and Warranty Information

The Luk LMC661 clutch master cylinder is a new, OEM-quality replacement part designed for Cadillac CTS manual transmissions. While specific warranty details may vary, Luk parts typically come with a limited warranty against defects in materials and workmanship. Using this part helps maintain the integrity and performance of your vehicle's clutch system.

This part fits 7 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2007CadillacCTS2.8LV6N/A
2007CadillacCTS3.6LV6N/A
2006CadillacCTS2.8LV6N/A
2006CadillacCTS3.6LV6N/A
2005CadillacCTS3.6LV6N/A
2004CadillacCTS3.2LV6N/A
2003CadillacCTS3.2LV6N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

12575464136.62012511067110072661M0449

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.