301A - LOADER, TWO-WHEEL DRIVE 25 COOLING SYSTEM Parts group 25 COOLING SYSTEM 25 COOLING SYSTEM . RADIATOR (WITH OIL COOLER) (ENGINE SERIAL NO. 282381-621172) (MANUFACTURED 1974-1983) (ENGINE SERIAL RADIATOR (WITHOUT OIL COOLER) (ENGINE SERIAL NO. 282381-621172) (MANUFACTURED 1974-1983) (ENGINE SER FAN SHROUD [01C18] THERMOSTAT HOUSING ASSEMBLY (ENGINE SERIAL NO. 282381-621172) (MANUFACTURED 1974-1983) (ENGINE SERIA WATER PUMP (DIESEL) (ENGINE SERIAL NO. 192080-282381) (MANUFACTURED 1974-1984) (ENGINE SERIAL NO. 10 REPLACEMENT WATER PUMP (DIESEL) [01C21] WATER PUMP (GASOLINE) [01C22] ENGINE COOLANT HEATER (WITH VERTICAL EXHAUST SYSTEM) [01C23] REPLACEMENT ENGINE COOLANT HEATER (WITH VERTICAL EXHAUST SYSTEM) [01C24]