OK request send SAA6D107E-2D S/N 26600207-UP (For D61EX-23/D61EXI-23/D61PX-23/D61PXI-23) ENGINE CYLINDER HEAD AND ITS RELATED PARTS EXHAUST GAS RE-CIRCULATION (EGR) COOLER AIR PIPING Section EXHAUST GAS RE-CIRCULATION (EGR) COOLER AIR PIPING SAA6D107E-2D S/N 26600207-UP (For D61EX-23/D61EXI-23/D61PX-23/D61PXI-23) Komatsu: