Features: 1.Fitment: Fit for Boar MK4 1999?2005; Fit for A3 S3 1999?2003; Fit for Octavia 1997?2011; Replacement for Seat Leon 2000?2006; Replacement for Seat Toledo 1999?2004, etc. 2.Part Numbers: OE numbers for reference are 1J1721388E, 1J1721388A, 1J1721388C, 1J1721388G, 55554002355, 1001420004, which can ensure perfect match. 3.Superior Clutch Control and Responsiveness: Clutch master cylinder allows for smooth shifting and enhanced responsiveness, ensuring a comfortable and enjoyable driving experience. 4.Long Lasting Construction: Made from metal materials, clutch master cylinder is built to withstand the demands of daily driving. Its robust construction ensures long lasting performance. 5.High Reliability: Clutch master cylinder is engineered to meet or surpass original equipment manufacturer standards, guaranteeing exceptional performance and reliability. Specification: Item Type: Clutch Master Cylinder Material: ABS + metal alloy OE: 1J1721388E, 1J1721388A, 1J1721388C, 1J1721388G, 55554002355, 1001420004; Installation Type: Replacement installation Fitment: Fit for Boar MK4 1999-2005 Fit for MK4 1999-2006 Fit for A3 S3 1999-2003 Fit for TT 1999-2006 Fit for Octavia 1997-2011 Replacement for Seat Leon 2000-2006 Replacement for Seat Toledo 1999-2004 PackageList: 1 x Clutch Master Cylinder Note: Please double check the part number of your item, matching information is for reference only.