Description
KB799898X - HORTON DRIVEMASTER DMA ON/OFF FAN CLUTCH FOR KENWORTH/PETERBILT CATERPILLAR C15
PART NUMBER(S):
Fleet Products: KB799898X (Remanufactured) | Replaces OE: Horton: 79A5898, 79A9898, 98A9898, 99A9898, 989834, 989891, 989898, 999834, 999891, 999898 | Caterpillar: 20R-8425, 549-9530 | PACCAR: F17-6005-1011, F17-6005-1061, F17-6005-1071, F17-6011-1071 | Kit Masters: 99834, KMN2099834, KMI99834 | Alliance: ABPN2099834 | Fleetrite: FLT99834
DESCRIPTION:
Model: Horton DriveMaster DMA On/Off Fan Clutch
Vehicles: Kenworth T800W, T2000, and W900L; Peterbilt 365 SFFA, 367 SBFA, 367 HH, 386, 387-120, 388, and 389 trucks from 2007-2009 with Caterpillar C15 engines
• Clutch Operation: Pneumatic on/off
• Pulley Diameter: 8.29"
• Belt Configuration: Dual 6-rib and 12-rib serpentine belts
• Fan Pilot Diameter: 2.56"
• Fan Blade Bolt Circle: 3.50"
• Number of Fan Blade Studs: 6
• Fan Blade Stud Length: 1.07"
• Fan Blade Stud Thread: 3/8"-24
CROSS-REFERENCE(S):
1000-799898, 1000799898, 3443-99834, 3912-79A9898, 3912-99A9898, 707163AT, 79A9898RMAN, 79A9898RMANRF, ABP N20 99834, FC799898, F1760051011, F1760051061, F1760051071, F1760111071, HOR 79A9898, HOR 99A9898, HOR79A9898, HOR99A9898, K5 99834, K599834, K799898, KM N20 99834, P99A9898, R799898, RC799898, RX79A9898RMAN, RX79A9898RMANRF, STRMCK1254-ZG070160007, ZBH79A9898, ZBH99A9898
A cross-reference listing means this part may be a suitable replacement for the listed part numbers. Always verify fitment before installation.
IMPORTANT INSTALLATION NOTES:
✔ Confirm the 8.29" pulley diameter, dual 6-rib/12-rib belt configuration, 2.56" fan pilot, and 3.50" bolt circle.
✔ Verify the six-stud pattern, 3/8"-24 thread, 1.07" stud length, pulley offset, and available fan clearance.
✔ Inspect both belts, pulley grooves, fan blades, hub bearings, air-system components, and mounting surfaces for wear or damage.
✔ Use approved replacement hardware and torque all fasteners in the proper sequence to Horton, Caterpillar, or PACCAR specifications.
✔ Verify both belt paths, air-system sealing, clutch engagement, disengagement, and fan-to-shroud clearance.
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
