The most expensive part in this assembly is the Motor Assembly,starting.
Parts such as the Starting Motor: Seal,oil, Lock Washer, Shim, (1), Brush(-) are included in the Gs400e 1978 (c) (e01 E02 E04 E17 E18 E21 E22 E24 E25 E30 E34 E39 Starting Motor parts fiche.