Engine Timing Chain Kit and Piston Ring STD Set compatible with 3.0L TDI diesel engines, including EXF and EXN engine variants.Designed for model years 2011–2021 Cherokee (WK and WK2 generations), Ram 1500, 300, 300C, Lancia Thema, and related vehicles equipped with the 3.0L CRD or TD V6 diesel engine. Includes timing chain kit and six standard-size piston rings with matching pistons.Compatible with OEM part numbers: Piston & Ring: 68147228AA, 68147229AA, 68147230AA, 55577331, 55577332, 55577333, 10252112F, 10252113F, 10252114F Timing Chain Kit: 46328118, 46328125, 20662168G, 46328119 S2, 46328119, 46328126 S2, 46328126, 68147413AA, 68147485AA, 68483379AA, 68515619AA S2, K68147413AA S1, K68147413AA, K68147431AA S2, K68147431AA, K68147485AA, K68147488AA S2, K68147488AA, K68483379AA S2, K68483379AA, K68515619AA S2, K68515619AA Fits: Cherokee IV (WK, WK2) 3.0L CRD (2011–2021), including Limited and 4x4 variants Ram 1500 Crew , Extended , and Standard (DS platform) 3.0L 4WD (2013–2021) 300 and 300C 3.0L CRD (2011–2015) Lancia Thema (LX_) 3.0L (2011–2014) Cherokee VAN (WK2) 3.0L CRD (2013–2017) This is a compatible aftermarket component.Brand names are cited solely to show which devices it works with.