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:
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 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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