This 4 Set Pistons Rings Kit is designed for vehicles equipped with a 2.0T M274.920 engine.The set includes pistons and piston rings that are sized to fit a cylinder bore of Φ83.00mm.The bolt diameter is Φ20mm with a bolt length of 51mm.The ring thicknesses are 1.2mm, 1.0mm, and 2.0mm.The kit is intended for use with models such as C250, C300, and W205.It is compatible with engines that have the following specifications: 2.0 Turbocharged with a displacement of 1991cc or 121 cubic inches.The STD 0.00 specification that no cylinder expansion is needed during installation.This product is suitable for use in various model years ranging from 2013 to 2018 depending on the specific model and version of the vehicle.The list of compatible models includes but is not limited to certain versions of C200, C250, C260, C300, C350e, CLS260, E200, E250, E260, E300, GLC200, and GLC250.The piston and piston ring set is designed to replace parts with numbers including 274 037 14 01, 274 030 16 17, 274 030 15 17, 274 030 04 17, 274 030 08 17, 274 030 24 17, and 274 030 09 00.Equivalent replacement numbers for the product include 87-440500-00 and 40862600.The kit is intended for straightforward installation and includes a complete set of pistons and rings.The design that the components work effectively with existing engine parts.This makes the kit a practical solution for engine maintenance and repair.Compatibility Disclaimer: This is an part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.