Luk LSC378 Clutch Slave Cylinder

LuK LSC378 Clutch Slave Cylinder

The LuK LSC378 clutch slave cylinder is a hydraulic manual transmission component for select Chevrolet and GMC trucks and SUVs. It supports consistent clutch release performance in applications that use a hydraulic clutch system, including Silverado 2500 HD, Silverado 3500, Sierra 2500 HD, Sierra 3500, and Yukon models.

Key Features

• Hydraulic clutch slave cylinder for manual transmission systems
• OE-focused design from LuK, a Schaeffler brand with clutch release system expertise
• Direct-fit application coverage for select Chevrolet Silverado and GMC Sierra models
• Also listed for 2004 GMC Yukon applications
• Part number LSC378 for catalog and interchange lookup

Product Details

LuK has long contributed to the evolution of clutch release systems from mechanical to hydraulic operation, and the LSC378 reflects that background in a service replacement part for manual transmission repair. This clutch slave cylinder is used in hydraulic clutch release setups where smooth pressure transfer is needed for proper clutch disengagement. This part cross-references Sachs (e.g., SB60149) for the same application.

Common Repair Uses

• Hard or inconsistent clutch pedal feel
• Difficulty disengaging the clutch during shifting
• Hydraulic clutch release performance loss
• Fluid-related clutch release problems in manual transmission systems
• Service replacement for worn clutch slave cylinder assemblies

Installation Notes

Verify the vehicle’s manual transmission and hydraulic clutch release setup before installation. Confirm the application by year, make, and model, and inspect the clutch hydraulic system for leaks, air in the lines, or related wear before returning the vehicle to service. For fitment reference, this part fits 2001-2006 Chevrolet Silverado 2500 HD, 2001-2006 Chevrolet Silverado 3500, 2001-2006 GMC Sierra 2500 HD, 2001-2006 GMC Sierra 3500, and 2004 GMC Yukon.

Quality Assurance

LuK is part of Schaeffler and brings extensive experience in clutch release system development and manufacturing. The LSC378 is built for service use in manual transmission hydraulic clutch applications and is cataloged under part number LSC378 for easy identification.