Description
KB799743-2X - HORTON DRIVEMASTER TWO-SPEED FAN CLUTCH FOR INTERNATIONAL MAXXFORCE 9/10, DT, AND S13 - REMANUFACTURED
PART NUMBER(S):
Fleet Products: KB799743-2X (Remanufactured) | Replaces OE: International: 3848973C91 | Horton: 799743-2, 79A9743-2, 98A9743, 98A9743-2, 99A9743, 99A9743-2 | Kit Masters: 99743, 99743-2, KMN20997432 | Alliance: ABPN20997432 | Fleetrite: FLT997432
DESCRIPTION:
Model: Horton DriveMaster Two-Speed Fan Clutch
Vehicles: International 7300, 7400, 7500, and WorkStar trucks from 2010-2013 with MaxxForce 9, MaxxForce 10, MaxxForce DT, or S13 CB1 engines
• Back Pulley Diameter: 9.13"
• Overall Length: 7.79"
• Belt Configuration: 1 × 8-rib serpentine belt
• First Belt Groove Distance: 3.27"
• Fan Blade Bolt Circle: 6.00"
• Fan Pilot Diameter: 5.00"
• Fan Blade Stud Length: 1.07"
• Fan Blade Stud Thread: 0.312"-18 UNC-2A
• Vertical Mounting Distance: 2.92"
• Horizontal Mounting Distance: 3.00"
• Journal Bracket Center to Upper-Right Mounting Hole: 1.33"
• Low-Speed Operation: Eddy-current drive
• High-Speed Operation: Spring-actuated engagement
CROSS-REFERENCE(S):
3443-997432, 997432, ABP N20 997432, HOR79A9743, HOR99A9743, KM N20 997432, KMI997432, ZBH99A9743, 79A9743RMAN, HT99A9743, K5 99743-2, K5997432, 799743, 79A9743, 989743, 989743-2, 999743, 999743-2, FTL799743, FTL799743-2
A cross-reference listing means this part may be a suitable replacement for the listed part numbers. Always verify fitment before installation.
IMPORTANT INSTALLATION NOTES:
✔ Confirm the 9.13" pulley diameter, 8-rib belt configuration, and 3.27" first-groove position.
✔ Verify the 5.00" fan pilot, 6.00" bolt circle, fan stud dimensions, and mounting distances against the removed clutch.
✔ Inspect the fan blades, pulley, journal bracket, bearings, air line, electrical connector, and wiring for wear or damage.
✔ Install new mounting hardware where required and torque all fasteners to Horton or International specifications.
✔ Verify belt alignment, fan clearance, air-system sealing, electrical operation, and both low- and high-speed modes.
Drivemaster 2-Speed Repair Kits:
SOLD AS REMANUFACTURED – CORE RETURN REQUIRED
Built to OEM standards — thoroughly cleaned, inspected, and tested to ensure durability, performance, and reliability in demanding applications.
Warranty Information
