HomeTransmission > Manual Transmission ComponentsLuk LSC315 Clutch Slave Cylinder
Part #: LSC315

Luk LSC315 Clutch Slave Cylinder

⚙️ 67 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Porsche, Audi, and Volkswagen, Boxster, Cayman, A4, A4 Quattro, Allroad Quattro, Passat, A6 Quattro, and S4
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Reliable Clutch Slave Cylinder for Audi, Porsche, and Volkswagen

The Luk LSC315 clutch slave cylinder is engineered to provide consistent hydraulic performance for manual transmission systems. Designed specifically for select Audi, Porsche, and Volkswagen models, this component ensures smooth clutch operation and precise engagement.

  • Compatible with Audi A4, A4 Quattro, A6 Quattro, Allroad Quattro
  • Fits Porsche Boxster and Cayman models
  • Suitable for Volkswagen Passat and S4
  • Durable construction for long-lasting service
  • Direct replacement for OEM clutch slave cylinders

Product Details and Specifications

The Luk LSC315 clutch slave cylinder is a critical manual transmission component that controls the clutch release mechanism. It converts hydraulic pressure from the clutch master cylinder into mechanical force, enabling smooth disengagement of the clutch. This part is designed to meet or exceed OEM specifications, ensuring proper fit and function in compatible vehicles. The LSC315 is manufactured with precision to maintain consistent hydraulic pressure and resist wear under demanding driving conditions.

Applications and Common Issues Addressed

This clutch slave cylinder is used in manual transmission systems to facilitate clutch engagement and disengagement. It is commonly replaced to resolve issues such as:

  • Difficulty shifting gears or clutch drag
  • Soft or spongy clutch pedal feel
  • Hydraulic fluid leaks around the slave cylinder
  • Clutch pedal sticking or failing to return properly
  • Reduced clutch responsiveness or inconsistent engagement

Installation Notes and Tips

When installing the Luk LSC315 clutch slave cylinder, ensure the hydraulic system is properly bled to remove air and maintain optimal clutch performance. Inspect the clutch master cylinder and hydraulic lines for wear or damage during replacement. Use manufacturer-recommended fluids and torque specifications to avoid leaks and ensure secure mounting. Proper installation will help maintain smooth clutch operation and extend the life of the transmission components.

Quality Assurance and Warranty Information

Luk manufactures the LSC315 clutch slave cylinder to meet stringent quality standards. Each unit undergoes rigorous testing to ensure durability and reliable hydraulic function. While specific warranty details may vary, Luk typically offers coverage against manufacturing defects to provide confidence in product reliability. Refer to the product documentation or supplier for exact warranty terms.

This part fits 67 vehicles. Search below:

YearMakeModelDrive TypeLitersCylindersPositionNotes
2008PorscheBoxster2.7LH6N/A
2008PorscheCayman2.7LH6N/A
2007PorscheBoxster2.7LH6N/A
2007PorscheCayman2.7LH6N/A
2006PorscheBoxster2.7LH6N/A
2005AudiA41.8LL4N/A
2005AudiA4 Quattro1.8LL4N/A
2005AudiAllroad Quattro2.7LV6N/A
2005PorscheBoxster2.7LH6N/A
2005VolkswagenPassat1.8LL4N/A
2005VolkswagenPassat2.8LV6N/A
2004AudiA41.8LL4N/A
2004AudiA4 Quattro1.8LL4N/A
2004AudiA4 Quattro3.0LV6N/A
2004AudiA6 Quattro2.7LV6N/A
2004AudiAllroad Quattro2.7LV6N/A
2004AudiS44.2LV8N/ATo Chassis #8E-4-270 000
2004PorscheBoxster2.7LH6N/A
2004VolkswagenPassat1.8LL4N/A
2004VolkswagenPassat2.8LV6N/A
2004VolkswagenPassat2.0LL4N/A
2003AudiA41.8LL4N/A
2003AudiA4 Quattro1.8LL4N/A
2003AudiA4 Quattro3.0LV6N/A
2003AudiA6 Quattro2.7LV6N/A
2003AudiAllroad Quattro2.7LV6N/A
2003PorscheBoxster2.7LH6N/A
2003VolkswagenPassat2.8LV6N/A
2003VolkswagenPassat1.8LL4N/A
2002AudiA43.0LV6N/A
2002AudiA41.8LL4N/A
2002AudiA4 Quattro1.8LL4N/A
2002AudiA4 Quattro3.0LV6N/A
2002AudiA6 Quattro2.7LV6N/A
2002AudiAllroad Quattro2.7LV6N/A
2002AudiS42.7LV6N/A
2002PorscheBoxster2.7LH6N/A
2002VolkswagenPassat2.8LV6N/A
2002VolkswagenPassat1.8LL4N/A
2001AudiA41.8LL4N/A
2001AudiA4 Quattro1.8LL4N/A
2001AudiA6 Quattro2.8LV6N/A
2001AudiAllroad Quattro2.7LV6N/A
2001AudiS42.7LV6N/A
2001VolkswagenPassat2.8LV6N/A
2001VolkswagenPassat1.8LL4N/A
2000AudiA4FWD1.8LL4N/A
2000AudiA4 Quattro1.8LL4N/A
2000AudiA6 Quattro2.8LV6N/A
2000AudiS42.7LV6N/A
2000VolkswagenPassat1.8LL4N/A
2000VolkswagenPassat2.8LV6N/A
1999AudiA41.8LL4N/A
1999AudiA4 Quattro1.8LL4N/A
1999AudiA6 Quattro2.8LV6N/ACanadian and European Market
1999VolkswagenPassat1.8LL4N/A
1999VolkswagenPassat2.8LV6N/A
1998AudiA41.8LL4N/A
1998AudiA4 Quattro1.8LL4N/A
1998AudiA6 Quattro2.8LV6N/A
1998VolkswagenPassat2.8LV6N/A
1998VolkswagenPassat1.8LL4N/A
1997AudiA42.8LV6N/AFrom Chassis #8DV180001
1997AudiA41.8LL4N/AFrom Chassis #8D-V-180 001
1997AudiA4 Quattro1.8LL4N/AFrom Chassis #8DV170679
1997AudiA4 Quattro2.8LV6N/AFrom Chassis #8DV170679
1997AudiA6 Quattro2.8LV6N/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:

138.3300451200111005511050729649733158E0721257A900024CS650057S0202SH6142

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