OK request send SAA4D107E-1AA S/N 26513014-UP (For D39EX-22/D39PX-22) ENGINE LUBRICATION SYSTEM Section ENGINE LUBRICATION SYSTEM SAA4D107E-1AA S/N 26513014-UP (For D39EX-22/D39PX-22) Komatsu: ENGINE OIL COOLER c004000 ENGINE OIL FILTER c003000 ENGINE OIL PUMP c002000 HEATER SWITCH c001000