LuK CRS039 Pre-Filled Clutch Master Cylinder and Hydraulic Line Assembly

The LuK CRS039 is a pre-filled hydraulic clutch master cylinder and line assembly designed to restore smooth, reliable clutch operation in select Chevrolet and GMC trucks. This complete hydraulic release system serves as the critical connection between the clutch pedal and clutch assembly, ensuring precise power flow control and an improved driving experience.

Key Features:

• Pre-filled hydraulic assembly for easier installation and reduced air bleeding requirements
• Plastic construction with black finish for durability and corrosion resistance
• OE-quality replacement engineered to meet or exceed original equipment specifications
• 100% functionally tested to ensure reliable performance
• Includes master cylinder and hydraulic line in one complete assembly (without slave cylinder)
• Optional peak torque limiter feature reduces volume flow during aggressive driving to prevent powertrain overload
• Replaces cable-actuated systems while fitting into compact engine compartments

As an original equipment supplier, LuK develops performance specifications for individual vehicle applications and manufactures each component for exact fit and flawless performance. This assembly eliminates cable friction found in older systems, dramatically reducing clutch wear while improving pedal feel and driver comfort. Compatible with various OEM part numbers including 5110016770, 12574148, and others.