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  • 1621052030 Toyota COUPLING ASSY FLUID

1621052030 Toyota COUPLING ASSY FLUID, Price: 203.23$, Weight: 3.242kg

    • Make Number Name Availability Weight, kg Ship in, Days Price

    Toyota

    1621052030

    COUPLING ASSY FLUID

    		 42

    3.242

    2-3

    203.23$
     

    Originals

    Make Number Name Availability Weight, kg Processing, days Price  
    Toyota
    1621052030 
    COUPLING ASSY FLUID
    		10
    3.728
     Dispatch 48h
    243.88$
     

    Substitutions

    Make Number Name Availability Weight, kg Processing, days Price  
    Toyota
    1626170170 
    HOSE WATER BY-PASS
    		16
    0.127
    2-3
    10.71$
     

    Compatibility

    DescriptionModelOptionsProd PeriodDiagram
    FJA300,GRJ300,VJA300,VJH300FJA300R-GNUZYATM,MTM: AUTOMATIC TRANSMISSION; Seating Capacity: 7-SEATER; Driver's Position: RIGHT-HAND DRIVE VEHICLES; Fuel Induction: DIESEL COMMON RAIL INJECTION SYSTEM(LOWEST-POLLUTION ENGINE); Gear Shift Type: ATM, 10-SPEED FLOOR SHIFT; Engine: (F33AFTV) 3300CC 24-VALVE DOHC; Destination: GENERAL COUNTRIES07.2021 - ... View

    Viscous Fan Clutch for Toyota Cooling System ❄️

    This precision-built fluid coupling drives the engine cooling fan exactly when your Toyota needs it. It maintains stable coolant temperature in traffic, keeps A/C performance strong at idle, lowers noise on the highway, and helps protect the head gasket and radiator. If your Land Cruiser struggles with heat in summer or roars excessively on cold starts, the fan clutch is the usual suspect.

    Why this part is needed

    It balances airflow and power draw. By engaging only when hot, it reduces parasitic loss, improves fuel economy, and prevents overheating during slow, heavy-duty use or towing.

    How it works

    Inside is silicone fluid and a thermostatic bimetal spring. As temperatures rise, the valve opens, transferring fluid between chambers to increase coupling torque. The fan spins faster, pulling more air through the radiator and condenser. When cool, the clutch freewheels, cutting drag and noise.

    What happens if it’s broken ⚠️

    • Overheating at idle or in traffic
    • Weak A/C when stopped
    • Roaring fan all the time, poor MPG
    • Coolant boil-over, warped head, or cracked radiator if ignored

    Tech notes

    Install on the water pump hub, torque evenly, verify shroud clearance, and check the fan blades for cracks. Always inspect belts and coolant after replacement.

    Compatibility

    • Land Cruiser