control arm

CONTROL ARM 1.OEM NO.1K0407151M 1K0407151R 2.FOR NEW PASSAT AND AUDI A3 3.YEAR:2003- 4.FRONT LOWER Housing: nodular cast iron 400 which gurantee the body will not broken. Dust cover: made by premium neoprene to keep out dirt and can normally work between -30 to +70 environment. Bearings: 500P , one of the materials of Polyformaldehyde (Dupond)with grease grooves, which ensure grease to flow through the bearing to the ball pin/stud and provides a smooth, durable surface that extends service life. Ball pin: use 40Cr material with heat treatment, 100% inspection internal and external cracks to avoid any potential broken when using, roll and polishing surface ensure the surface roughness reach to OE standard, to be High Durability, good torque, high strength. Back plate: made by ST12 cold-rolled steel with high strength to ensure the ball pin/stud will not to be extruded from housing. Circle ring: made by 65Mn, both ends turn up and without shape to avoid any damage the dust cover during assembly and transportation.