Description
KB791001X - HORTON HT/S ADVANTAGE ON/OFF FAN CLUTCH FOR CUMMINS L10/M11/ISM - REMANUFACTURED
PART NUMBER(S):
Fleet Products: KB791001X (Remanufactured) | Replaces OE: Horton: 591001, 791001, 791118, 981121, 981129, 981262, 981279, 981354, 981355, 981377, 991000, 991013, 991128, 991135, 991251, 991268, 991364, 991365 | Bendix: 104296, 104903, 104965 | International: 1613179C91, 1651054C91, 1675428C91 | Western Star: 20822-3513 | MCI: 20822-3812 | Kit Masters: KMN2091001 | Alliance: ABPN2091001 | Fleetrite: FLT91001
DESCRIPTION:
Model: Horton HT/S Advantage On/Off Fan Clutch
Vehicles: Kenworth, International, Volvo, and Western Star trucks, including International 8000 and 9400; Kenworth K100E, T400A, T800, W900B2, and W900L2 applications from 1970-1998 with compatible Cummins L10, M11, ISM, or NTC engines
• Back Pulley Diameter: 6.51"
• Overall Length: 6.04"
• Belt Configuration: 1 × 8-rib serpentine belt
• First Belt Groove Distance: 1.25"
• Fan Blade Bolt Circle: 3.50"
• Fan Pilot Diameter: 2.00"
• Number of Fan Blade Studs: 6
• Fan Blade Stud Length: 1.12"
• Fan Blade Stud Thread: 3/8"-16
• Vertical Mounting Distance: 4.49"
• Horizontal Mounting Distance: 4.00"
• Friction Plate Diameter: 9.50"
CROSS-REFERENCE(S):
104965RX, 104965X, 1077-07929-03, 1077-07929-04, 1093-07930-03, 1093-07930-04, 10930793003, 10930793004, 208223513, 208223812, 3443-104965X, 3443-91001, 731600049, 809804, 859803, 91001, ABP N20 104965X, ABP N20 91001, ABPN20104965X, FLT104965X, FVHOR791001, HI591001, HI791001, HOR791001, HR591001, HR791001C1, KM N20 104965X, KM N20 91001, KMI104965X, KMI91001, KMN20104965X, NJ791001, RX791001RMAN, RX791001RMANRF, K591001
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 6.51" pulley diameter, 8-rib belt configuration, and 1.25" first-groove position against the removed clutch.
✔ Verify the 2.00" fan pilot, 3.50" bolt circle, six-stud pattern, stud dimensions, and mounting distances.
✔ Inspect the fan blades, belt, pulley, mounting bracket, air line, and fan-control valve for wear or damage.
✔ Torque all fan, clutch, and mounting hardware to Horton or vehicle-manufacturer specifications.
✔ Verify belt alignment, fan clearance, air-system sealing, and correct clutch engagement and disengagement.
HTS Advantage 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
