Description
KB799027X – DRIVEMASTER FAN CLUTCH (DETROIT DIESEL SERIES 60)
PART NUMBER(S):
Fleet Products: KB799027X (Remanufactured) | OE: Horton 79A9027, 989027, 99027, Peterbilt 05-25159-011, Alliance Truck Parts ABP N20 99027
DESCRIPTION:
Model: Horton DMA On/Off Drivemaster (Remanufactured)
Vehicles: Peterbilt 387, Conventional, COE (2001–2002) with Detroit Diesel Series 60 engines
• Fan Pilot Diameter: 2.56″
• Fan Blade Bolt Circle: 3.5″
• Pulley Diameter: 7.44″
• Belt Type: 3V
• Belt Groove Count: 1 (Triple Belt Configuration)
• Belt Groove Type: V
• Fan Drive Bolt Pattern: 2.56″ Pilot, 3.5″ BC, 6x, 3/8-24 Thread, 2.07″ Long
• Clutch Type: On/Off, engine/belt-driven for controlled cooling engagement
Applications:
Is this fan clutch compatible with your Detroit Diesel Series 60-powered Peterbilt✔ Yes—engineered for 387, Conventional, and COE models from 2001–2002, this Horton DMA On/Off Drivemaster clutch delivers reliable, fuel-efficient cooling performance with OEM fitment for quick installation.
CROSS-REFERENCE(S):
79A9027, 525159011, 05-25159-011, 799027, 999027, 989027, KMN2099027, KM N20 99027, ABPN2099027, ABP N20 99027, FLT99027, KMI99027, 3443-99027, 3912-79A9027, HOR 79A9027, HOR79A9027, ZBH79A9027, KC99027, 0525159011, HOR989027, HOR999027, KM99027, 799027, 79A9027, 989027, 98A9027, 99027, 999027, 99A9027, FC799027A 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 fan pilot diameter and bolt circle dimensions before installation.
✔ Ensure belt type and groove count match existing pulley configuration.
✔ Torque fan blade bolts to manufacturer specifications to prevent imbalance.
✔ Check for proper clutch engagement/disengagement after installation.
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.
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Warranty Information
