• Products
  • 1621051033 Toyota COUPLING ASSY FLUID

1621051033 Toyota COUPLING ASSY FLUID, Price: 183.13$, Weight: 2.344kg

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

    Toyota

    1621051033

    COUPLING ASSY FLUID

    		 0

    2.344

    7-10

    183.13$
    Not Available

    Originals

    Make Number Name Availability Weight, kg Processing, days Price  
    Toyota
    1621051033 
    COUPLING ASSY FLUID
    		0
    2.696
    -
    238.15$
    		 Not Available

    Substitutions

    Make Number Name Availability Weight, kg Processing, days Price  
    Toyota
    1621051030 
    COUPLING ASSY, FLUID
    		0
    2.632
    -
    195.64$
    		 Not Available
    Toyota
    1621051032 
    COUPLING ASSY, FLUID
    		0
    2.749
    -
    178.12$
    		 Not Available
    Toyota
    1621051031 
    COUPLING ASSY, FLUID
    		0
    2.616
    -
    177.25$
    		 Not Available

    Compatibility

    DescriptionModelOptionsProd PeriodDiagram
    UZJ200,URJ202,VDJ200VDJ200R-GNTVZWSeating Capacity: 8-SEATER; Driver's Position: RIGHT-HAND DRIVE VEHICLES; Grade: VXR TYPE; Engine: (1VDFTV) 4500CC DIESEL TURBO08.2015 - 07.2017 View

    Engine Fan Fluid Coupling (Viscous Fan Clutch) 🔧

    This cooling drive links the radiator fan to engine power only when heat demands it. It keeps coolant temps stable, protects the head gasket and radiator, and cuts noise and fuel use when airflow is not needed. A fresh viscous coupling restores factory cooling performance, ideal for towing, city traffic, and hot climates.

    Why you need it 🌡️

    When idling or crawling off-road, there’s little natural airflow. The fan clutch engages to pull air through the radiator and A/C condenser, preventing overheating, detonation, and oil breakdown. It ensures reliable engine cooling and smooth A/C at stoplights.

    How it works ❄️

    A thermostatic bimetal spring senses hot air exiting the radiator. Inside, silicone fluid transfers torque: warm air increases viscosity engagement, driving the fan; cool air reduces coupling, letting the fan freewheel. This smart control balances cooling, power, and efficiency.

    What happens if it’s broken ⚠️

    Stuck-on: constant roar, poor fuel economy, slow warm-up. Freewheeling or leaking: overheating at idle, weak A/C when stopped, temp spikes on climbs, oily residue at hub, wobble or burnt smell. Ignoring it risks warped heads, blown hoses, or a cracked radiator.

    Install tips ✅

    Direct-fit, bolt-on. Inspect fan blades and shroud, replace worn belts, torque evenly, avoid laying the unit face-down, keep the sensor spring clean, and bleed the cooling system after service.

    Compatibility

    • Land Cruiser