Product Description
KB799798-2X HORTON DRIVEMASTER TWO-SPEED FAN CLUTCH – REMAN
PART NUMBER(S):
HORTON: 79A9798 (Reman), 99A9798 (New OEM)
KIT MASTER: 99589-2
KENWORTH / PACCAR: F17-1031-001, F17-6009M22,
DESCRIPTION:
Model: Horton DM Advantage Two-Speed Fan Clutch
Engines: Cummins ISX, ISX15, X15 (2007–2021)
Vehicles: Kenworth W900B, W900L; Peterbilt 388, 389, 367
- Clutch Style: Two-speed (low/high)
- Fan Drive Ratio: 1.3:1
- Fan Pilot Diameter: 5.00″ (127 mm)
- Bolt Circle Diameter: 6.00″ (152.4 mm)
- Back Pulley Diameter: 7.28″ (184.9 mm)
- Vertical Mounting Distance: 5.77″ (146.6 mm)
- Horizontal Mounting Distance: 2.30″ (58.4 mm)
- Overall Length: 12.09″ (307.5 mm)
- Fan Blade Stud Length: 1.05″ (26.7 mm)
- Stud Thread Size: .312-18 UNC
- Belt Configuration: 12PK
- Belt Groove Location: 6.66″ (169.2 mm)
- Minimum Air Pressure Required: 90 psi (620.5 kPa)
-
DM Repair Kits:
- Minor Seal Repair Kit: 294346
- Major Repair Kit: 294351
- Super Repair Kit: 295568, 295575, Q299999 (Universal)
Applications: HEAVY DUTY cooling for long-haul and vocational trucks. Two-speed operation allows optimized airflow at both idle and highway speeds. Air-actuated design ensures precise engagement and improved thermal efficiency. Remanufactured to OEM specifications using new seals, bearings, and clutch linings.
SOLD AS REMANUFACTURED – CORE RETURN REQUIRED
Built to OEM standards — thoroughly cleaned, inspected, and tested to ensure durability, performance, and reliability in demanding applications.
CROSS-REFERENCE(S):
Confirm whether your system uses a single-speed or two-speed fan clutch.
010028673, 704146AT, 704625AT, 799798, 79A5782, 79A9589, 79A9660, 79A9782, 79A9798, 9810089, 9810146, 9810336, 989798, 98A8201, 98A9589, 98A9660, 98A9782, 98A9798, 9910146, 9910336, 99589-2, 995892, 99782-2, 997822, 999798, 99A8201, 99A9589, 99A9798, F17-1031-001, F17-1031-002, F17-6009M22, F17-6014M22, F17-6017M03, F17-6017M21, F171031001, F171031002, F176009M22, F176014M22, F176017M03, F176017M21
A cross-reference listing means this compressor should be a suitable replacement for the part numbers listed. Please confirm all 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
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%!
