Product Description
KB799850X – HORTON DRIVEMASTER FAN CLUTCH (FREIGHTLINER / DETROIT DIESEL SERIES 60)
PART NUMBER(S):
Fleet Products: KB799850X (Remanufactured) | OE: Horton 79A9850, Horton 99A9850, Kit Masters 99850
DESCRIPTION:
Model: Horton DM Advantage On/Off (Remanufactured)
Vehicles: Freightliner Century, C120, CT120, ST120, Columbia (2007–2013) with Detroit Diesel Series 60 engines
• Fan Drive Ratio: 1.2:1
• Fan Configuration: 11-blade, 32.01″ diameter
• Back Pulley Diameter: 7.50″
• Vertical Mounting Distance: 3.54″
• Horizontal Mounting Distance: 5.31″
• Fan Pilot Diameter: 2.56″
• Fan Blade Bolt Circle: 3.5″
• Fan Blade Studs: 6x, 3/8-24 Thread, 0.81″ Long
• Overall Length: 8.21″
• Clutch Style: On/Off, spring-engaged, air-disengaged
• Weight: 42 lbs (Remanufactured assembly)
Applications:
Is this Horton DM Advantage fan clutch right for your Freightliner with Detroit Diesel Series 60? Yes—engineered for Century, Columbia, and ST120 platforms from 2007–2013, this reman clutch delivers precise thermal control, reduced parasitic load, and improved fuel efficiency across heavy-duty long-haul and vocational operations.
CROSS-REFERENCE(S):
79A9850, 79A9850-2, 79A9850-2-Reman, 79A9850-DMAdvantage, 98A9850, 98A9974, 996813252, 996813502, 999850, 99A9850, 99A9850-2, 99A9850-3, 99A9974, F18-5005-5135, F18-5005-5165, F18-5021-5345, FLEET-99850, FLT981850, FLT99850, FLT999850, HOR79A9850, HOR98A9850, HOR99A9850, KMR99850, 3912-79A9850, 79A5850, 79A9850RMAN, 989850, 999850, K799850, R799850, ZBH79A9850, 3443-99850, 1000-799850, 1000799850, 99850, ABP N20 99850, ABPN2099850, FC799850, K5 99850, K599850, KM N20 99850, KMI99850, KMN2099850
A 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:
✔ Ensure fan blade bolt pattern and back pulley dimensions match before installation
✔ Recommended for use in vocational and long-haul diesel applications
✔ Verify two-speed controller functionality if replacing an older single-speed model
✔ Use proper torque specifications as per OEM guidelines
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.
SUPPORT & ORDERING
For technical support, installation guidance, or to confirm fitment, call 1-877-243-0442 or email sales@fleet-products.com
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