Description
104871X - FD-3 FAN CLUTCH
PART NUMBER(S):
Fleet Products: 104871X (Remanufactured) | OE: 104871, 104871RX, 288994
DESCRIPTION:
Model: FD-3 Fan Clutch
Engines: Diesel engines used in Class 6–8 platforms
Vehicles: Ford, Freightliner, Kenworth, Peterbilt
• Type: Single-speed engine cooling fan clutch
• Back Pulley Diameter: 8.18 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 fitment surfaces
• Mounting: Integrated bracket for simplified install and belt alignment
• Operation: Fully mechanical, spring-engaged clutch engagement system
• Durability: OEM-grade construction for extended duty cycle
Applications:
What is the 104871X used for✔ This FD-3 single-speed reman fan clutch is designed for cooling systems on Cummins-equipped trucks and major OEM platforms including Ford, Freightliner, Kenworth, and Peterbilt. It replaces Horton 790002 with equivalent performance and long-term durability.
CROSS-REFERENCE(S):
104871, 104871RX, 104871X, 288615, 288994, 5000221X, 5000222X, KMN20104871X, KM N20 104871X, ABPN20104871X, ABP N20 104871X, FLT104871X, KMI104871X, 3443-104871X, 104871GTN, 104939, 04-9043272, 049043272, 05-11369-004, 05-11369-005, 0511369004, 0511369005, 103360, 181332, 185070, 187962, 187963, 20036A, 20822-5016, 208225016, 22259, 22260, 22948, 23650, 23663, 24259, 24561, 24562, 2D01872, 3002292, 3862628, 3912-790002, 3912790002, 3918372, 49042075, 590002, 790002, 790002-HO, 790002HO, 790002RMAN, 809826, 819826, 849826, 90002, 980040, 980069, 980082, 990025, 990026, 990102, 990131, 990144, ABPN2090002, AR45426, BBH-104871, BBH104871, FC212079, FC212080, FC212084, FLT90002, HOR790002, RF590002X, RF790002X, RF790002XM1DRMAN, ZBH790002
A cross-reference listing means this fan clutch is a suitable replacement for the part numbers listed. Please confirm all dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Verify bolt circle size and fan blade compatibility before installation
✔ Ensure fan pilot and stud thread match OE mount
✔ Inspect axial clearance before torquing fan blade
✔ Intended for single-speed Horton 790002 systems on Cummins-based trucks
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Warranty Information
