Description
104872X - FD-3 CUMMINS FAN CLUTCH
PART NUMBER(S):
Fleet Products: 104872X (Remanufactured) | OE: 104872, 104872RX, 288626
DESCRIPTION:
Model: FD-3 Cummins Fan Clutch
Vehicles: Ford, Freightliner, Kenworth, Peterbilt (Class 6–8 diesel trucks)
• Back Pulley Diameter: 7.03 inches
• Overall Length: 5 inches
• Belt Configuration: Single serpentine
• Belt Groove Location: Centered on pulley
• Bolt Circle Diameter: 3.5 inches (89mm)
• Fan Pilot Diameter: 2 inches
• Fan Blade Stud Length: 0.6 – 0.75 inches
• Stud Thread Size: 3/8" - 24 UN
• Vertical Mounting Distance: 2.2 inches
• Horizontal Mounting Distance: 6.3 inches
• Drive Type: Spring-engaged
• Performance Requirements: Max torque ~22 lb-ft
• Unique Features: Axial movement clearance, precision-machined pulley system
Applications:
What is the 104872X used for✔ The FD-3 fan clutch is designed for cooling performance in Cummins-powered heavy-duty diesel trucks. It supports efficient thermal regulation by controlling fan engagement during high-load operations, extending engine life and reducing fuel drag.
CROSS-REFERENCE(S):
104872, 104872RX, 104872X, 288626, 289841, 818714, KMN20104872X, KM N20 104872X, ABPN20104872X, ABP N20 104872X, FLT104872X, KMI104872X, 3443-104872X, 103361A 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:
✔ Always confirm back pulley diameter and fan blade compatibility before installation
✔ Torque fan clutch mounting bolts to OE manufacturer specifications
✔ Check for sufficient axial movement clearance and proper thermal sensor positioning
✔ Replace hub bearing when servicing or replacing the fan clutch
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
