Tap to view 2 more
Horton 991451 - HT-650 MAK-759
$1,00099
In stock
limited availability at this price!
Pay over 3-12 months with 
. Learn more
. Learn more
HORTON part description
Product Description
Engine Cooling Fan Clutch
Application Summary
MACK, VAN HOOL BUS
Features & Benefits
- Engages only when needed
- Provides required torque for high-airflow fans without slippage
- Completely disengages in "off" mode for fuel and horsepower savings
- Completely disengages in “off” mode for fuel and horsepower savings
Replaces HT650 fan drive 991439.
Pneumatic, fan clutch, engine cooling, fan drive, performance, cooling system, horsepower, on-off fan clutch
Product Attributes
| CLUTCH TO FAN MOUNTING SURFACE | 2.01 |
| Fan Blade Stud Length | 17.688 |
| Flange Thickness | 0.25 |
| Heavy Duty | TRUE |
| Hub Pilot Diameter | 2.56 |
| Number of Slots | 6 |
| Number of Studs | 6 |
| Overall Length | 5.23 |
| Pilot Depth Diameter | 0.19 |
| Pilot Diameter for Fan to Clutch | 5 |
| Slot Width | 0.41 |
Additional Information
| Country of Origin (Primary) | US |
| Harmonized Tariff Code (Schedule B) | 8483604040 |
| Harmonized Tariff Code (HTS) | 8483604040 |
| NAFTA Preference Criterion Code | B |
| OEM's Part Number | 981446 |
| Warranty Distance | 300000 |
| Warranty Distance UOM | DH |
| Warranty Special | 2500 Hours |
| Warranty Special UOM | TX |
| Warranty Time | 36 |
| Warranty Time UOM | MO |
| VMRS Code | 042003131 |
Part Interchanges
California residents see Prop 65 Warning(s)
Don't know your part number?
Take a photo and we'll identify it!
