COUPLING ASSY, FLUID
Part number: 1621017080
Availability: 36
Weight, kg: 2.174
Order now:
Make: Toyota
Made in: Japan

COUPLING ASSY, FLUID
Part number: 1621017080
Availability: 40
Weight, kg: 2.174
Processing: 2-3 days
Make: Toyota
Made in: Japan

Substitutions
RING, O(FOR VANE PUMP)
Part number: 9030160002
Availability: 223
Weight, kg: 0.003
Order now:
Make: Toyota
Made in: Japan

RING, O(FOR VANE PUMP)
Part number: 9030160002
Availability: 223
Weight, kg: 0.003
Processing: 2-3 days
Make: Toyota
Made in: Japan

FAN CLUTCH TO 16210-17080 COASTER 199907-200108 AISIN
Part number: FCT074
Availability: 500
Weight, kg: 2.174
Processing: 4-5 days
Make: AISIN
Made in: Japan

FAN COUPLING 1HZ
Part number: T157F
Availability: 0
Weight, kg: 2.015
Processing: 4-5 days
Make: NPW
Made in: Japan

Viscous Fan Clutch for Engine Cooling
This heavyβduty fan drive regulates radiator airflow so your engine runs at the right temperature every day, in traffic or on long hills. It restores factory cooling performance, reduces noise, and helps A/C efficiency at idle. Built for durability, itβs the smart replacement to keep your cooling system reliable and fuelβefficient. βοΈ
Why this part is needed οΈ
A healthy clutch engages the fan only when heat demands it. That keeps coolant temps stable, protects the head gasket, hoses, and radiator, and prevents power loss from an alwaysβon fan. It also supports condenser airflow, so cabin A/C stays cold in slow driving.
How it works οΈ
Inside, silicone fluid and a bimetal thermostatic spring control coupling. As underβhood heat rises, the valve opens, fluid thickens the link between plates, and the fan locks to pull strong air through the radiator and condenser. When temps drop, shear reduces grip and the fan freewheels, saving fuel and reducing noise.
What happens if itβs broken β οΈ
- Overheating at idle or on climbs
- Constant loud fan roar and higher fuel use
- Sluggish acceleration, poor A/C at stops
- Coolant boilβover, warped head if ignored
Check for oil seepage at the hub, wobble, or rough bearings. Replace promptly; donβt run without the shroud, and torque bolts evenly. β
Compatibility
- Coaster
