DIFFERENTIAL ASSEMBLY EXPERT Our Logo:1.Differential ,Differential Gear ,Differential Assembly,Differential Assy ,Gear , 2.Differential Planet Gear For Benz. 3.OEM:A3463500822. 4.Material:20CrMnTi.5.HRC:Surface :58-63;Inner:33-48.6.Finishing:black oxide/phosphate/oringinal color.7.Packing: Neutral export carton box.(Or as required)Qisheng Equipment Co,Ltd.Quanzhou is a professonal manufacturer. ...