Description
KB799589X – DRIVEMASTER FAN CLUTCH (KENWORTH / PETERBILT – CUMMINS ISX15, X15)
PART NUMBER(S):
Fleet Products: KB799589X (Remanufactured) | OE: Horton 99A9589, 98A9589, HOR79A9589 | PACCAR: F17-1014M02, F17-1030-002, F17-6009M24, F17-6014M24 | Navistar: FLT99589 | BorgWarner: 10023441
DESCRIPTION:
Model: Horton DriveMaster (Reman)
Vehicles: Kenworth W900B, Peterbilt 367 HH, 388, 389 (2010–2021)
Engines: Cummins ISX15, X15
• Belt Count: 1
• Belt Type: 12PK
• Back Pulley Diameter: 7.28 in
• Overall Length: 12.09 in
• Belt Groove Location: 6.66 in
• Bolt Circle: 6.00 in
• Fan Pilot Diameter: 5.00 in
• Fan Blade Bolt Circle: 6.00 in
• Fan Blade Stud Length: 1.07 in
• Stud Thread Size: .312-18 UNC
• Vertical Mounting Distance: 1.81 in
• Horizontal Mounting Distance: 6.36 in
Applications:
Specifically designed for Kenworth and Peterbilt Class 8 trucks with Cummins ISX15/X15 engines. This Horton DriveMaster fan clutch delivers high-torque cooling, reduced drag, and improved thermal management. Built as a remanufactured OEM-quality solution for fleets demanding long service life and reliability.
CROSS-REFERENCE(S):
10023440, 3443-99589, 3443-995892, 3912-79A9589, 79A8201, 79A9589, 79A9589RMAN, 79A9660, 79A9798, 98A8201, 98A9589, 98A9660, 98A9798, 99589, 99A8201, 99A9589, 99A9660, 99A9798, ABP N20 99589, ABP N20 995892, ABPN2099589, ABPN20995892, F17-1014M02, F17-1030-002, F17-1031-002, F17-6009M24, F17-6014M24, F17-6017M21, F171014M02, F171030002, F171031002, F176009M24, F176014M24, F176017M21, FC799798, FLT99589, FLT995892, HOR 79A9589, HOR79A9589, KM N20 99589, KM N20 995892, KMI99589, KMI995892, KMN2099589, KMN20995892, P99A9589, RX79A9589RMAN, RX79A9589RMANRF, RX79A9798RMAN, RX79A9798RMANRF, ZBH79A9589, ZBH99A9589A cross-reference listing means this part should be a suitable replacement for the part numbers listed. Please confirm all dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Confirm pulley and fan pilot dimensions before mounting
✔ Clean mating surfaces and inspect mounting hardware
✔ Apply anti-seize to fan blade bolts if necessary
✔ Torque bolts to OEM specifications
✔ Verify full fan engagement/disengagement after startup
Drivemaster On/Off 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.
SUPPORT & ORDERING
For technical support, installation guidance, or to confirm fitment, call or email
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Warranty Information
