This Oil Pump Assy is the most expensive of the items that make up this Oil Pump assembly.
The most reasonably priced component used on the Ttr125l 2002 5hpd Austria 1a5hp-100e2 Oil Pump is the Screw, Flat Fillister.
Some items from this specific schematic: Washer, Conical Spring(4gl), Plug, Straight Screw (22f), Gasket(3fd) (nas), Filter,rotary.