Note: Please carefully check the OEM number of your original one which is same as this one, that's is very important to buy correct item in this way. Our item installation size is 134mm±0.15mm ，not 118mm Our item Piston size is 41mm ，not 38mm Brake Caliper Rear Left For for Audi A3 TT for Seat for Skoda for VW EOS GOLF 5 6 JETTA 3 TOURAN Specification: Piston Diameter [mm]: 41mm fit for Brake disc diameter Size：256mm fit for Brake disc Thickness: 12mm Brake Caliper Hole Distance: 134mm 1 unit as picture (for rear left) OEM & Part Number: OE-1K0615423 is different from 1K0615423D, this item is for 1K0615423 1K0615423H 1K0615423 1K0615423C 1K0615423H 1K0615423M Application: for Audi A3 8P1， 8PA，TT 8J3，TT Roadster 8J9 for Seat Altea 5P1，Leon 1P1， Toledo MK3 for Skoda Octavia 1Z3， 1Z5， Superb 3T4， 3T5， Yeti 5L for VW EOS 1F7, 1F8；Scirocco 137 / 137, 138 for VW Touran 1T1, 1T2 / 1T3; Jetta MK3 for VW Golf MK 5, 6; Golf Plus; Golf V MK V For for Audi for Audi A3 8P1 [2003-2012] Hatchback