Leaf Spring Mercedes Van for Mercedes Sprinter. 1 Leaf 70mm wide rear A9063201806 This front 2 leaf spring fits Mercedes Sprinter 3T & 3.5T 906 series. OEM Part Number A9063201806 A906.320.18.06 A 906 320 18 06 Full Specification: Brand new aftermarket front suspension spring for Mercedes Sprinter. Transverse front spring. Includes new rubber feet. Made from high quality steel. Shot peened to reduced risk of cracking. Twelve month warranty included.