Description G2904X – Pump-Rubber Impeller – (Sherwood, Genuine) Replacement for Sherwood pumps – G1807 / G18071 / G18071-01 / G18071-02 / G18071X Replacement for Caterpillar pumps – 123-0471 / 197-1328 / 0R-7879 / 359-6661 Suits Engine – Cat 3196 / C12 Impeller Kit: 29000K Minor Repair Kit: 25146 Major Repair Kit: 25148 Mounting Gasket 2S4040 Note – Not supplied with inlet/outlet elbows.