Fork shaft for Claas combine harvesters grain headers 3.9 - 4.1 - 4.5 - 5.4 - 6.0 - 6.6 - 7.5 - 9.0M width (including Vario models). Fit Claas Mega, Dominator and Commandor. Use in 3 bearings wobble box. OEM # 00 0643 403 1