Description
KB799750-2X - DRIVEMASTER TWO-SPEED FAN CLUTCH - INTERNATIONAL PROSTAR / CUMMINS ISX, ISX15, X15
PART NUMBER(S):
Fleet Products: KB799750-2X (Remanufactured) | Replaces OE: Horton 79A9750, 79A9750 H0R, 79A9750H0R, 98A9750, 99A9750, 99A96612, 99A9661-2, 98A96612, 98A9661-2, 99A9662-2, 98A9662-2, 99A9661, 98A9661, 99A9662, 98A9662, 79A9833, 98A9833, 99A9833, 989833, 999833, RX79A9750RMAN, RX79A9750RMANRF, FC799750, 1000-799750, 1000799750, HO 79A9750, HO 99A9750, HO79A9750, HO99A9750, HOR 79A9750, HOR79A9750, HOR99A9750, HT79A9750, RC 799750, RC799750, ZBH79A9750, ZBH99A9750, 79A5750, K799750, R799750, 79A9750RMAN | Kit Masters 99833-2, KMN20998332, KM N20 998332, KMI998332 | Navistar 6101420C91 | Alliance ABPN20998332, ABP N20 998332 | Mack 3912-79A9750 | BorgWarner 010026258
DESCRIPTION:
Model: DriveMaster two-speed DriveMaster / DM Advantage SE 24 fan clutch
Vehicles: International ProStar 2007-2016; International / Navistar heavy-duty truck
Engines: Cummins ISX, ISX15, X15
• Belt Configuration: 12K serpentine
• Back Pulley Diameter: 7.27"
• Overall Length: 11.97"
• Belt Groove Location: 6.66"
• Fan Pilot Diameter: 2.56"
• Fan Blade Stud Length: 1.07"
• Stud Thread Size: 0.375-24 UNF
• Fan Bolt Circle: 3.50"
• Vertical Mounting Distance: 2.52"
• Horizontal Mounting Distance: 6.36"
• Center of JB to Top-Right Mounting Hole: 2.52"
• Fan Drive Ratio: 1.3:1
• Fan Center: 11.50"
• Fan Blade: 11 blades, 32.01" fan diameter
• Fan Blade Service Reference: 996813253
• Horton OEM Reference: 98A9750
• Service Reference: 79A9750 replaces old service number 99A9662-2. 99A9661-2 is same as 99A9750 but with spun metal pulley. 99A9662-2 contains a 5.00" fan pilot and is replaced by 79A9750
CROSS-REFERENCE(S):
FLT998332, 3443-998332, Navistar 6101420C91 | Alliance ABPN20998332, ABP N20 998332 | Mack 3912-79A9750 | BorgWarner 010026258
A cross-reference listing means this part should be a suitable replacement for the part numbers listed.
IMPORTANT INSTALLATION NOTES:
✔ Verify back pulley diameter, belt groove location, fan pilot, bolt circle and stud thread before installation.
✔ Confirm fitment for International ProStar 2007-2016 with Cummins ISX, ISX15 or X15 engines.
✔ Inspect fan blades, belts, pulleys, air supply lines and solenoid operation before reinstalling a remanufactured clutch.
✔ After installation, confirm two-speed fan clutch engagement, air control response and fan-to-shroud clearance before returning the vehicle to service.
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
