ON SALE - Hub Securing Bar (Reference 113-589-0040-00) Used for securing Waterpump hub from rotating during R&R of Fan clutch nut. This holder bolts onto the hub, as the poly v-belt is not in place and cannot be used to lock the hub. Applicable: M112 & M113, 119.986 (1996 and newer). Should be used in conjunction with a 36mm thin open end wrench.