Product Description
KB799154X – HORTON DRIVEMASTER FAN CLUTCH (CUMMINS ISX)
PART NUMBER(S):
Fleet Products: KB799154X (Remanufactured) | OE: Horton 799154, 989154, 999154
DESCRIPTION:
Model: Horton Drivemaster DMA SE 24 (Remanufactured)
Vehicles: Kenworth T800, W900L, Peterbilt 357-119, 378-119, 379-127, 387-120 (2002–2007) with Cummins ISX engines
• Back Pulley Diameter: 7.91″ (201.0 mm)
• Overall Length: ~15.50″
• Belt Configuration: 12PK (PK type)
• Belt Count: 1
• Belt Groove Count: 12
• Fan Pilot Diameter: 2.56″
• Fan Blade Bolt Circle: 3.50″
• Fan Blade Studs: 6x, 3/8-24 Thread, 1.07″ Long
• Journal bracket center to top right mounting hole: 0.79″
• Drive Type: Air-engaged ON/OFF (DMA2S SE 24)
Applications:
Is this fan clutch compatible with your Cummins ISX-powered Kenworth or Peterbilt? Yes—engineered for select models from 2002–2007, this 12PK pulley Horton Drivemaster delivers OE-level cooling efficiency, reliability, and drop-in fitment for demanding heavy-duty operations.
CROSS-REFERENCE(S):
05-25159-025, 1000-799154, 1000799154, 3443-99154, 3912-79A9154, 799154, 79A9154, 79A9154-2, 79A91542, 79A9154RMAN, 989154, 99154, 99A9154, ABP N20 99154, ABPN2099154, F17-1000-100, F171000100, FC799154, FLT99154, FLT991542, HO 79A9154, HO79A9154, HOR 79A9154, HOR79A9154, HOR79A9154-2, HOR989154, HOR999154, HOR99A9154, K5 99154, K599154, K799154, KM N20 99154, KMI99154, KMN2099154, RC 799154, RC799154, R799154, RX79A9154RMAN, RX79A9154RMANRF, ZBH79A9154
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:
✔ Confirm fan pilot diameter, bolt circle, and stud length match your OE configuration.
✔ Use proper torque specifications for 3/8-24 threaded studs.
✔ Ensure correct alignment for 12PK pulley systems.
✔ Verify DMA SE 24 engagement type compatibility before installation.
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.
SUPPORT & ORDERING
For technical support, installation guidance, or to confirm fitment, Call: 1-877-243-0442 | Email: sales@fleet-products.com
WHY CHOOSE FLEET PRODUCTS | KBR - HEAVY DUTY TRUCK & TRAILER PARTS?
- Canadian-owned and operated since 1985
- Trusted by fleets, mechanics, and B2B partners across North America
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- Competitive pricing with core return refunds
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