Description
KB797260X – DRIVEMASTER FAN CLUTCH (CUMMINS ISX/ISX15)
PART NUMBER(S):
Fleet Products: KB797260X (Remanufactured) | OE: Horton 79A7260, 98A7260, 99A7260
DESCRIPTION:
Model: Drivemaster Reman
Vehicles: Kenworth T680, T800, T800B; Peterbilt 579 (2021–2025) with Cummins ISX/ISX15/X15 engines
• Back Pulley Diameter: 6.93″
• Overall Length: 11.95″
• Belt Configuration: 12PK
• Belt Groove Location: 6.66″
• Fan Pilot Diameter: 2.56″
• Fan Blade Bolt Circle: 3.5″
• Fan Blade Stud Length: 1.05″
• Stud Thread Size: 3/8-18 UNC
• Vertical Mounting Distance: 3.19″
• Horizontal Mounting Distance: 6.36″
Applications: Is this fan clutch compatible with your Cummins ISX/ISX15-powered Kenworth or Peterbilt✔ Yes—engineered for models like T680, T800, T800B, and 579 from 2021–2024, this Horton Drivemaster delivers high-torque cooling performance, long-haul durability, and direct OEM replacement fit.
CROSS-REFERENCE(S):
3443-972602, 79A7260, HOR79A7260, 98A7260, 98A8394, 99A7260, 99A8394, F17-1060, F17-1119, F171060, FLT972602, KM N20 972602, KMI972602, 797260, 79A7260, 97260, 987260, 98A7260, 997260, 99A7260, FC797260A cross-reference listing means this part is a suitable replacement for the part numbers listed. Please confirm all ports and dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Verify fan pilot and bolt circle dimensions match your original
✔ Confirm compatibility with Cummins ISX or ISX15 engine cooling systems
✔ Suitable for Kenworth and Peterbilt heavy-duty trucks
✔ Always inspect fan hubs and pulleys before reinstalling a remanufactured clutch
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.
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Warranty Information
