The twenty-four Klf400-b2 Bayou4004x4 1994 Usa Canada Oil Pump/oil Filter component parts are all listed in this schematic.
A sample from the products for the Oil Pump/oil Filter include: Bolt,oil,l=23, Filter-oil, Bolt,8x20, Pin,dowel,6x8.
On this parts fiche the Gasket,10x14.5x1.5 (nas) is the most specified component.