This engine piston and rings set is designed for compatibility with select A3, A4, A5, A6, allroad, Q3, Q5, and TT models equipped with 2.0L L4 engines from 2009 to 2016.It replaces OEM part numbers 06H107065DM and 06H107065CM, as well as related variants including 06H107065BH, 06H107065BD, 06H198151J, and 06H198151C.The set features a standard piston diameter of 82.51mm with a 23mm piston pin bore and is intended for use in engine rebuilds.One connecting rod set (e.g., 06H198401D) may be required separately depending on application.Includes one piston ring kit.Additional components not included.