Product Description
KB799850X HORTON DRIVEMASTER FAN CLUTCH REMAN
FOR FREIGHTLINER CENTURY, C120, CT120, ST120, AND COLUMBIA MODELS WITH DETROIT DIESEL SERIES 60 ENGINES
PART NUMBER(S):
79A9850 (Reman), 99A9850 (New OEM)
Kit Master: 99850
DESCRIPTION:
-
Horton DM Advantage On/Off fan clutch designed for Detroit Diesel Series 60 engines
-
Fits Freightliner Century, C120, CT120, ST120, and Columbia models (2007–2013)
-
Fan drive ratio: 1.2:1, 11-blade configuration with 32.01" diameter
-
Ideal for applications requiring precise thermal management and improved fuel efficiency
-
Replaces DriveMaster 999850, offering reliable performance with reduced noise
-
Dimensions:
-
Back Pulley Diameter: 7.54"
-
Vertical Mounting Distance: 3.54"
-
Horizontal Mounting Distance: 5.31"
-
-
For two-speed version, see 99A9974 (requires fan blade change)
-
Commonly used in heavy-duty trucks such as Freightliner Century, C120, and Columbia with Detroit Diesel Series 60 engines
APPLICATIONS:
-
Freightliner / Detroit Diesel Series 60
CROSS-REFERENCE(S):
✔ Confirm whether your system uses a single-speed or two-speed fan clutch.
Two-speed part numbers typically end with "2" or “XX-2”
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
A cross-reference listing means this compressor should be 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
SUPPORT & ORDERING
For technical support, installation guidance, or to confirm fitment, call 1-877-243-0442 or email sales@fleet-products.com and reference Code WEB01.
WHY CHOOSE Fleet Products | KBR - Heavy Duty Truck & Trailer Parts?
- Canadian-owned since 1985
- Trusted by fleets, mechanics, and B2B partners across North America
- Fast, Reliable Shipping Across North America
- Competitive pricing with Core Return Refunds
- Price Match Guarantee – Find a better price? We’ll beat the difference by 10%!
