Oil Pump Body (cover) - lower 1)

Oil Pump Body - upper 2)

Oil Pump Gear Shaft 3)

Feed Gerotor - outer 4)

Feed Gerotor - inner 5)

Separator Plate (thrust washer) 6)

Return Gerotor - outer 7)

Return Gerotor - inner 8)

Note: The XL P/N 26204-91A (new) is the same oil pump as the Buell P/N 26357-02B but has different fittings. Therefore, the information provided here should apply to the XL numbered oil pump except for the fittings.