Wilo Mather Make Pump Spares , List Of Item ( S ) / Work ( S ) As Per Tender Documents , Casing Top Half P / N 1001 , Casing Bottom Half P / N 1002 , Oil Filler Plug P / N 4260 , Thrust Bearing Cage P / N 2712 , O Ring P / N 4250 , Bearing Housing ( Free End ) P / N 2764 , Bearing Housing ( Coupling End ) P / N 2761 , Casing Top Half, P / N 1001 , Casing Bottom Half, P / N 1002 , Pump Shaft., P.N.1800 , Top Shaft., P.N.1803 , Int Shaft., P.N.1805 , Impeller., P.N.1500 , Impeller Distance Piece., P.N.1704 , Int.Guide. Sleeve, P.N.2834 , Pump Brg.Sleeve, P.N.2832 , Neck Ring ( Nde ) ., P.N.1181 , Neck Ring ( De ) ., P.N.1182 , Brg. Bush ( Bottom ) , P.N.2702 , Pump Brg. Bush, P.N.2830 , Int. Guide.Bush., P.N.2801 , Int. Guide.Bush Carrier, P.N.2802 , Lock Nut ( L.H. ) , P.N.3011 , Combined Sleeeve & Nut., P.N.2101 , Solid Muff Coupling., P.N.2050 , Diffuser., P.N.1030 , Rising Main Pipe ( Top ) ., P.N.1152 , Rising Main Pipe ( Bottom ) ., P.N.1150 , Rising Main Pipe ( Int ) ., P.N.1151 , Gland Sleeve., P.N.2106 , Suction Bell Mouth, P / N: 4910 , Bare Pump Assembly, 16Vmf, P / N: 0001