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, Freightliner: F18-5005-5135, F18-5005-5165
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
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.
Warranty Information
