Product Description
KB791039X – HTS ADVANTAGE FAN CLUTCH (MCI / CATERPILLAR, CUMMINS, DETROIT DIESEL)
PART NUMBER(S):
Fleet Products: KB791039X (Remanufactured) | OE: 791039, 981090, 981179, 6L-6-671
DESCRIPTION:
Model: HT/S Advantage
Vehicles: MCI D-Coach (1992–1994)
• Clutch Type: On/Off Pneumatic, Air-engaged
• Belt Count: 2
• Belt Groove Count: 1 (1V configuration)
• Front Pulley Diameter: 7.27"
• Back Pulley Diameter: 8.77"
• Belt Groove Location: 1.75"
• Fan Pilot Diameter: 2"
• Fan Blade Bolt Circle: 3.5"
• Fan Blade Stud Length: 15.625" (6x, 3/8-16 Thread, 1.62" Long)
• Vertical Mounting Distance: 6.35"
• Horizontal Mounting Distance: 6.35"
• Friction Plate: 9.5"
Applications: Is this fan clutch compatible with your MCI coach powered by Caterpillar, Cummins, or Detroit Diesel engines? Yes—engineered for 1992–1994 MCI D-Coach models, this HT/S Advantage delivers proven durability, exact OEM fitment, and efficient cooling in high-demand applications.
CROSS-REFERENCE(S):
3443-91039, 6L-6-371, 6L-6-671, 6L6371, 791039, 91039, 981082, 981090, 981179, 991092, 991100, 991145, ABP N20 91039, ABPN2091039, FLT91039, KMI91039, KM N20 91039, KMN2091039, HOR791039, HOR981090, KM91039
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 pilot diameter and pulley dimensions match your original unit before installation.
✔ Use manufacturer-recommended torque specs for all mounting and pulley fasteners.
✔ Lubricate hub splines with anti-seize during assembly.
✔ Test air engagement system at 90–120 PSI before placing vehicle back in service.
HTS Advantage 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 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
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