REF PART QTY PART REF PART QTY PART NO. NO. USED DESCRIPTION NO. NO. USED DESCRIPTION 1 323−2183 1 Plug, with O’Ring 2 509−0406 1 O’Ring 3 122−0885 1 Filter, Oil 4 122−0888 1 Header, Oil Filter 5 122−0889 1 Gasket, Oil Filter Adapter 6 323−2186 1 Plug,Drain