
Horton 79A9946 - Engine Cooling Fan Clutch
$1,27399
+$500.00 Core Deposit
Total price w/ core: $1,773.99
MSRP: $1,677.15
Save: $403.16
Limited Availability
Pay over 3-12 months with
. Learn more
HORTON part description
Product Description
Engine Cooling Fan Clutch
Application Summary
MACK
Features & Benefits
- Built to the same specifications as Horton Genuine models
- Easy-to-install, exact drop-in replacements
- Total cost can be less than rebuilding
- Two-year warranty for line-haul applications
- Credit for old Horton or competitor cores
- Low eddy-current speeds reduce noise, increase available horsepower, conserve fuel and minimize radiator abrasion
- Higher, spring-actuated fan speeds make sure necessary cooling is delivered
- Faster engine warm-ups in cold weather
- Premium bearings and friction liners
- High torque for turning large fans
- Lower parts count for easy installation and maintenance
Two-speed fan clutch, fan clutch, engine cooling, fan drive, performance, cooling system, horsepower, performance, reman
Product Attributes
| BACK PULLEY DIAMETER | 5.28 IN |
| BELT CONFIGURATION | 6K, 10K, 1V |
| Belt Groove Location | 2 IN |
| BOLT CIRCLE | 6 IN |
| Center of JB To Top Right Mounting Hole | 2.69 IN |
| Fan Blade Stud Length | 1.05 IN |
| FAN PILOT DIAMETER | 5 IN |
| FRONT PULLEY DIAMETER | 5.47 IN |
| Heavy Duty | TRUE |
| HORIZONTAL MOUNTING DISTANCE | 5.39 IN |
| Overall Length | 9.41 IN |
| Stud Thread Size | .312-18 UNC 2A IN |
| VERTICAL MOUNTING DISTANCE | 2.69 IN |
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 | 989946 |
| Warranty Distance | 300000 |
| Warranty Distance UOM | DH |
| Warranty Special | 7500 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!











