OK request send SAA6D170E-5AR S/N 610512-UP (For WA600-6R) ENGINE COOLING SYSTEM Section ENGINE COOLING SYSTEM SAA6D170E-5AR S/N 610512-UP (For WA600-6R) Komatsu: CORROSION RESISTOR e003000 WATER PUMP e002000 CORROSION RESISTOR e004000 CORROSION RESISTOR e005000 THERMOSTAT AND THERMOSTAT HOUSING e001000