Luk LSC315 Clutch Slave Cylinder

Clutch Slave Cylinder for Audi, Volkswagen, and Porsche

The LuK LSC315 clutch slave cylinder is a hydraulic manual transmission component for select Audi, Volkswagen, and Porsche applications. It supports clutch release system operation in vehicles such as the Audi A4, A4 Quattro, A6 Quattro, Allroad Quattro, S4, Volkswagen Passat, Porsche Boxster, and Porsche Cayman.

Key Features

• Hydraulic clutch slave cylinder for manual transmission systems
• OE-style replacement for select Audi, Volkswagen, and Porsche models
• LuK part number LSC315
• Cross-references Sachs SH6142 for the same application
• Fits a broad range of 1997-2008 vehicles, including Audi A4 and Porsche Boxster

Product Details

LuK has extensive experience in clutch release systems and has contributed to the transition from mechanical to hydraulic clutch actuation. The LSC315 is built for vehicles that rely on hydraulic clutch release operation, helping maintain consistent pedal feel and clutch disengagement in manual transmission setups. This part number is commonly searched for Audi A4 clutch slave cylinder, Volkswagen Passat clutch slave cylinder, and Porsche Boxster clutch slave cylinder replacement needs.

This part cross-references Sachs SH6142 for the same application.

What It Helps Address

• Hard or inconsistent clutch pedal feel
• Poor clutch disengagement during shifting
• Hydraulic fluid leakage at the slave cylinder
• Difficulty selecting gears in manual transmission vehicles
• Wear-related clutch release system issues

Installation Notes

Verify vehicle fitment by year, make, model, and chassis notes before installation. Confirm the hydraulic clutch release system configuration on Audi A4, Audi A6 Quattro, Audi S4, Volkswagen Passat, Porsche Boxster, and Porsche Cayman applications. Proper bleeding of the hydraulic system is required after installation to restore normal clutch operation. Part number LSC315 should be matched to the exact vehicle listing, including chassis break points and market-specific notes.

Quality Assurance

LuK and Schaeffler bring long-standing expertise in complete clutch release systems, with a focus on hydraulic clutch actuation components used in manual transmission applications.

• Fits 2002-2008 Porsche Boxster
• Fits 2007-2008 Porsche Cayman
• Fits 1998-2005 Audi A4
• Fits 1998-2005 Audi A4 Quattro
• Fits 2001-2005 Audi Allroad Quattro
• Fits 1998-2005 Volkswagen Passat
• Fits 2000-2004 Audi A6 Quattro
• Fits 1997-1998 Audi A6 Quattro
• Fits 2004 Audi S4, to chassis #8E-4-270 000
• Fits 2000-2002 Audi S4
• Fits 1999 Audi A6 Quattro, Canadian and European Market
• Fits 1997 Audi A4, from chassis #8DV180001
• Fits 1997 Audi A4, from chassis #8D-V-180 001
• Fits 1997 Audi A4 Quattro, from chassis #8DV170679