The most reasonably priced component used on the Xl600v Transalp 1991 (m) Germany Oil Filter/oil Pump is the Bolt,flg.soc,6x14.
This OIL FILTER/OIL PUMP assembly utilises two Collar,o Ring(s) - the highest specified component.
Parts such as the Oil Filter/oil Pump: Collar,o Ring, Oil Filter Cartri, Bolt,flange,6x28, Dowel,pin,8x14 are included in the Xl600v Transalp 1991 (m) Germany Oil Filter/oil Pump parts fiche.