Description
KB799170X | DRIVEMASTER FAN CLUTCH (KENWORTH/CUMMINS ISX)
PART NUMBER(S):
Fleet Products: KB799170X (Reman) | OE (Horton): 989170, 999170 | Kit Masters: 99170
DESCRIPTION:
Model: Drivemaster Reman
Engines: Cummins ISX
Vehicles: Kenworth
• Overall Length: 8.62″
• Back Pulley Diameter: 6.82″
• Belt Count: 1
• Belt Groove Count: 12
• Belt Groove Type: PK
• Belt Type: 12PK
• Fan Pilot Diameter: 2.56″
• Fan Blade Bolt Circle: 3.50″
• Fan Blade Studs: 6x, 3/8-24 Thread, 1.07″ Long
• Engagement Type: Air-engaged ON/OFF
• Drive Type: DMA SE 21
Applications:
Designed for Kenworth trucks equipped with Cummins ISX engines. Remanufactured Horton Drivemaster fan clutch engineered for heavy-duty, long-haul, and vocational use. Built to meet OE performance standards while delivering reliable cooling under high-load conditions.
CROSS-REFERENCE(S):
999170, 989170, 79A9170, KMN2099170, KM N20 99170, ABPN2099170, ABP N20 99170, FLT99170, KMI99170, 3443-99170
A 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 diameter (6.82″) and all mounting specs before installation
✔ Verify compatibility with Cummins ISX cooling system and fan blade pattern
✔ Inspect belts and pulleys for wear; replace as necessary before clutch installation
✔ Use OEM torque specifications on all mounting bolts
✔ Sold as remanufactured – core return required
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
