Product Description
HORTON DM ADVANTAGE TWO-SPEED FAN CLUTCH
PART NUMBER(S):
HORTON: 79A5782, 79A8200, 79A8202, 79A9586, 79A9659, 79A9782, 79A9802
KIT MASTER: 99782-2
DESCRIPTION:
Model: Horton DM Advantage Two‑Speed Remanufactured Fan Clutch
Engines: Cummins ISX, ISX15, X15
Vehicles: Kenworth/Peterbilt T660, T800, T800W, T680, T880, 387, 386, 579, 587
- Fan Drive Ratio: 1.3:1
- Fan Pilot Diameter: 5.00″ (127 mm)
- Bolt Circle Diameter: 6.00″ (152.4 mm)
- Back Pulley Diameter: 7.24″ (183.9 mm)
- Vertical Mounting Distance: 2.21″ (56.1 mm)
- Horizontal Mounting Distance: 6.36″ (161.5 mm)
- Overall Length: 12.09″ (307.5 mm)
- Fan Blade Stud Length: 1.05″ (26.7 mm)
- 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, vocational & fire trucks; heavy‑highway tractors, 11-blade fan configuration for optimized airflow and performance, Remanufactured to OEM specs using new seals, bearings, and clutch linings
SOLD AS RMANUFACTURED – 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.
T660, T800W, 3443-997822, 704146AT, F17-6014M22, 79A5782, 79A8200, 79A8202, 79A9586, 79A9659, 79A9782, 79A9802, 98A8200, 98A9586, 98A9659, 98A9782, 9910148, 99586-2, 995862, 996762502, 996762502-001, 996813502, 996813502-002, 996813502-003, 99782-2, 997822, 998613502-002, 99A8200, 99A9586, 99A9659, 99A9782, 99A9852, ABP N20 997822, ABPN20997822, F17-1031-001, F17-6009M22, F17-6014M22, F17-6017M03, F171031001, F176009M22, F176014M22, F176017M03, FC799782, FLT-998502, FLT-T800B, FLT997822, KM N20 997822, KMI997822, KMN20997822, ROSENBAUER-996813502, RX79A9782RMAN, RX79A9782RMANRF, RX99782-2KM, RX997822KM, 79A5782, 79A8200, 79A8202, 79A9586, 79A9659, 79A9782, 79A9802
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:
✔ Always verify fan blade bolt pattern, mounting clearance, and pulley alignment before installation.
✔ For modulator applications, cross-check with Horton part #9910148.
✔ Fan clutch engagement should be confirmed after install under full engine temperature.
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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