Product Description
KB799238X – HORTON DRIVEMASTER FAN CLUTCH (PETERBILT / CUMMINS ISX)
PART NUMBER(S):
Fleet Products: KB799238X (Remanufactured) | OE: Horton 79A9238, 99A9238, Paccar F17-1000-108
DESCRIPTION:
Model: Horton DM Advantage On/Off Drivemaster
Vehicles: Peterbilt 379-119 (2003–2007) with Cummins ISX engines
• Fan Pilot Diameter: 2.56″
• Pulley Diameter: 7.87″
• 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
• Vertical Mounting Distance: 1.17″
• Engagement Type: Spring-engaged, air-disengaged
• Drive Type: Direct, mechanical
• Torque Capacity: 5,000 in-lbs+
• Unique Features: Auto Lock fail-safe, OE-style shaft and seals
Applications:
Is this fan clutch compatible with your Cummins ISX-powered Peterbilt? Yes—designed for Peterbilt 379-119 (2003–2007), this Drivemaster delivers OEM torque handling, durability, and quiet operation. With its 12PK pulley and 2.56″ pilot hub, it offers drop-in fitment and reliable performance for Class 8 trucks.
CROSS-REFERENCE(S):
79A9238, 79A9238-2, 99A9238, 98A9238, 999238, 989238, 799238, 79A9238RMAN, R799238, K799238, 99238, KM99238, F17-1000-108, F171000108, 3912-79A9238, 1000-799238, 1000799238, HOR79A9238, HOR 79A9238, HOR79A9238-2, HOR99A9238, HOR98A9238, HOR999238, FC799238, RC799238, RC 799238, K5 99238, K599238, KMN2099238, KM N20 99238, ABPN2099238, ABP N20 99238, FLT99238, KMI99238, ZBH79A9238, 3443-99238
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 pulley and pilot dimensions match your vehicle before installation.
✔ Check belt alignment and groove type (12PK) for Cummins ISX applications.
✔ 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
- Fast, reliable shipping across North America
- Competitive pricing with core return refunds
- Price Match Guarantee | Find a better price? We'll beat the difference by 10%!
