With two applications this O-ring 7x1.7 is the most specified part.
The sub assemblies and components that make up this Oil Filter / Oil Pump include this Pump Assy.,oil, the most expensive part.
Parts such as the Oil Filter / Oil Pump: Gasket,oil Pump (mca), Cap,oil Filter, Screw Cross 6x18, Spring,oilthrough are included in the Tl250 Trials 1975 K0 Usa Oil Filter / Oil Pump parts fiche.