Luk CRS039 Clutch Master Cylinder and Line Assembly

Clutch Master Cylinder and Line Assembly for Manual Transmissions

The Luk CRS039 is a hydraulic clutch master cylinder and line assembly for manual transmission service on select Chevrolet Silverado and GMC Sierra trucks. It replaces cable-actuated clutch operation with a hydraulic setup that reduces cable friction and improves pedal feel in tight engine bays.

• Hydraulic clutch master cylinder and line assembly
• Includes clutch slave cylinder
• Reservoir included
• Hose included
• Push rod included
• Female connector gender
• Plastic construction
• Installation instructions included
• New part

Fitment Details

• Fits 2001-2002 Chevrolet Silverado 1500, N/A. Not compatible with Slave Cylinder.
• Fits 2001-2002 Chevrolet Silverado 2500, N/A. Not compatible with Slave Cylinder.
• Fits 2001-2002 Chevrolet Silverado 2500 HD, N/A. Not compatible with Slave Cylinder.
• Fits 2001-2002 Chevrolet Silverado 3500, N/A. Not compatible with Slave Cylinder.
• Fits 2001-2002 GMC Sierra 1500, N/A. Not compatible with Slave Cylinder.
• Fits 2001-2002 GMC Sierra 2500, N/A. Not compatible with Slave Cylinder.
• Fits 2001-2002 GMC Sierra 2500 HD, N/A. Not compatible with Slave Cylinder.
• Fits 2001-2002 GMC Sierra 3500, N/A. Not compatible with Slave Cylinder.

Detailed Description

Built for modern foot-operated clutch systems, the Luk CRS039 hydraulic release assembly is a direct-service solution for manual transmission trucks that need smoother clutch actuation and less cable-related wear. By moving to hydraulic operation, the system helps improve driving comfort while fitting the packaging demands of narrower engine compartments. This part cross-references Dorman HELP 74039 for the same application.

For shoppers searching for a 2001-2002 Chevrolet Silverado clutch master cylinder and line assembly or a 2001-2002 GMC Sierra hydraulic clutch replacement, CRS039 provides the core components needed for service on the listed manual transmission applications. The part number CRS039 is also useful when verifying replacement options against OE-style listings.

What It Helps Address

• Hard or inconsistent clutch pedal engagement
• Wear associated with cable-actuated clutch systems
• Loss of pedal comfort during daily driving
• Packaging limitations in tighter engine compartments
• Need for a hydraulic clutch master cylinder replacement on listed Silverado and Sierra trucks

Installation Notes and Tips

Review the included installation instructions before beginning service. This assembly is not pre-filled and is not pre-bled, so the hydraulic system must be filled and bled after installation. Confirm vehicle application carefully before ordering, since the listed 2001-2002 Chevrolet Silverado and GMC Sierra fitments note not compatible with Slave Cylinder.

Quality Assurance

Luk supplies hydraulic clutch components engineered for manual transmission service, with a design focused on reliable pedal operation and reduced cable friction in modern clutch systems. The CRS039 is a new part and includes the components identified in the product attributes for the listed application.