Product Description
KB799205X – HORTON DRIVEMASTER FAN CLUTCH (PETERBILT / CUMMINS ISX)
PART NUMBER(S):
Fleet Products: KB799205X (Remanufactured) | OE: Horton 79A9205, 99A9205, Paccar F17-1000-102
DESCRIPTION:
Model: Horton DM Advantage On/Off Drivemaster
Vehicles: Peterbilt 357, 362, 378, 379, 385 (2002–2009) with Cummins ISX engines
• Fan Pilot Diameter: 2.56″ (convertible with adapter)
• Pulley Diameter: 7.91″
• Belt Count: 1
• Belt Groove Count: 12
• Belt Groove Type: PK
• Belt Type: 12PK
• Fan Blade Bolt Circle: 3.50″
• Fan Drive Bolt Pattern: 2.56″ Pilot, 3.50″ BC, 6x, 3/8-24 Thread, 1.07″ Long
• Engagement Type: Spring-engaged, air-disengaged
• Torque Capacity: 5,000 in-lbs+
Applications:
Is this fan clutch compatible with your Cummins ISX-powered Peterbilt? Yes—engineered for Peterbilt 357, 362, 378, 379, and 385 models (2002–2009), this Horton Drivemaster delivers OEM torque capacity and extended reliability. Built with bearing upgrades and Auto Lock fail-safe, it provides drop-in fitment and long service life in Class 8 trucks.
CROSS-REFERENCE(S):
79A9205, 99A9205, 999205, 989205, 799205, 79A5205, 79A9205RMAN, R799205, K799205, RX79A9205RMAN, RX79A9205RMANRF, 99205, KM99205, F17-1000-102, F171000102, 3912-79A9205, 1000-799205, 1000799205, HOR79A9205, HOR 79A9205, HT79A9205, FC799205, RC799205, RC 799205, K5 99205, K599205, KMN2099205, KM N20 99205, ABPN2099205, ABP N20 99205, FLT99205, KMI99205, ZBH79A9205
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:
✔ Verify pulley diameter and pilot size before installation.
✔ Confirm belt alignment and groove type (12PK) with Cummins ISX bracket.
✔ Use new seals/adapters when converting pilot diameter.
✔ Core return required for remanufactured units.
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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