Description
KB799589X - HORTON DRIVEMASTER ON/OFF FAN CLUTCH FOR KENWORTH/PETERBILT CUMMINS ISX15 AND X15
PART NUMBER(S):
Fleet Products: KB799589X (Remanufactured) | Replaces OE: Horton: 79A8201, 79A9589, 79A9660, 79A9798, 98A8201, 98A9589, 98A9660, 98A9798, 99A8201, 99A9589, 99A9660, 99A9798 | PACCAR: F17-1014M02, F17-1030-002, F17-1031-002, F17-6009M24, F17-6014M24, F17-6017M21 | BorgWarner: 10023441 | Kit Masters: 99589, KMN2099589, KMI99589 | Alliance: ABPN2099589 | Fleetrite: FLT99589
DESCRIPTION:
Model: Horton DriveMaster Air-Engaged On/Off Fan Clutch
Vehicles: Kenworth W900B; Peterbilt 367 HH, 388, and 389 trucks from 2010-2021
Engines: Cummins ISX15 and X15
• Back Pulley Diameter: 7.28"
• Belt Configuration: 1 × 12-rib serpentine belt
• First Belt Groove Distance: 6.66"
• Fan Pilot Diameter: 5.00"
• Fan Blade Bolt Circle: 6.00"
• Fan Blade Stud Length: 1.07"
• Fan Blade Stud Thread: 5/16"-18 UNC
• Vertical Mounting Distance: 1.81"
• Horizontal Mounting Distance: 6.36"
• Overall Length: 12.09"
CROSS-REFERENCE(S):
10023440, 3443-99589, 3443-995892, 3912-79A9589, 79A9589RMAN, 99589-2, 995892, ABP N20 99589, ABP N20 995892, ABPN20995892, F171014M02, F171030002, F171031002, F176009M24, F176014M24, F176017M21, FC799798, FLT995892, HOR 79A9589, HOR79A9589, KMI995892, KM N20 99589, KM N20 995892, KMN20995892, P99A9589, RX79A9589RMAN, RX79A9589RMANRF, RX79A9798RMAN, RX79A9798RMANRF, ZBH79A9589, ZBH99A9589
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 7.28" back pulley diameter, 12-rib belt configuration, and 6.66" first-groove position.
✔ Verify the 5.00" fan pilot, 6.00" bolt circle, 5/16"-18 UNC stud thread, mounting distances, overall length, and fan clearance.
✔ Clean the mating surfaces and inspect the fan, belt, pulley, hub bearings, air line, and mounting hardware.
✔ Torque all fan-clutch, pulley, fan-blade, and mounting hardware to Horton or PACCAR specifications.
✔ Verify full engagement, disengagement, belt alignment, air-system sealing, and fan-to-shroud clearance after installation.
Drivemaster On/Off Repair Kits:
- Minor Seal Repair Kit: 294346
- Major Repair Kit: 294351
- Super Repair Kit: 295568, 295575, 299985, Q299999 (Universal)
- Lining Kit: 294349
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
