QSB4.5 Cummins Salvage Sleeve 3904166 Parts Catalog Ref No. Part Name Part No. Required 　 Kit, Overhaul 4309178 1 　 Lower Engine Gasket Kit 3802376 1 　 Salvage Sleeve 3904166 6 　 Engine Piston Kit 3957797 6 　 Connecting Rod Bearing 3969562 6 　 Upper Engine Gasket Set 4089649 1 　 Connecting Rod Bearing 4893693 6 　 Main Bearing (Standard) …