Product Description
KB791027X - HT/S ADVANTAGE FAN CLUTCH (CATERPILLAR 3176/3406)
PART NUMBER(S):
Fleet Products: KB791027X (Remanufactured) | OE: 791027, 981126, 1656791C91
DESCRIPTION:
Model: HT/S Advantage
Vehicles: Freightliner, Kenworth, Peterbilt, Volvo, Western Star (Caterpillar 3176, 3406, 3406B, 3406C, 3406E, 3406 ATAAC)
• Clutch Type: On/Off
• Belt Count: 4
• Belt Groove Count: 1
• Belt Type: 4V
• Pulley Diameter: 8"
• Back Pulley Diameter: 8"
• Fan Pilot Diameter: 2"
• Fan Blade Bolt Circle: 3.5"
• Belt Groove Location: 2.31"
• Vertical Mounting Distance: 5.25"
• Overall Length: 7.89"
• Fan Drive Bolt Pattern: 6x, 3/8-16 Thread, 1.62" Long
• Friction Plate: 9.5"
Applications: Is this fan clutch compatible with your Caterpillar-powered heavy-duty vehicle? Yes—engineered for models like Freightliner 8300, Kenworth W900B, Peterbilt 379, Volvo WCA, and Western Star COE from 1985–2000, this HT/S Advantage delivers precise cooling, dependable engagement, and OEM drop-in fitment for Caterpillar 3176 and 3406 platforms.
CROSS-REFERENCE(S):
05-11369-035, 05-11369-036, 05-11369-041, 0511369035, 0511369036, 0511369041, 1000-791027, 1000791027, 1077-07767-01, 1077-07767-03, 10770776701, 10770776703, 1093-07768-01, 1093-07768-03, 10930776801, 10930776803, 1656791C91, 20052A, 3912-791027, 3912791027, 3942207, 3947386, 3967130, 511369035, 511369036, 511369041, 591027, 79-1027, 791027, 791027-HO, 791027HO, 791027RMAN, 791027X, 791125, 791125RMAN, 819875, 879874, 91027, 981001, 981053, 981054, 981126, 991012, 991017, 991067, 991068, 991132, ABPN2091027, FC791027, FLT91027, HI791027, HOR791027, K791027, P, P791027RMAN, RC791027, RF591027X, RF791027X, ZBH791027
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 belt type, groove count, and pulley diameter match your existing drive system.
✔ Verify fan pilot diameter and bolt circle dimensions before installation.
✔ Inspect all related fan blades and drive components for wear prior to assembly.
✔ Torque all mounting hardware to OEM specifications after installation.
HTS Advantage Repair Kits:
SOLD AS RMANUFACTURED – 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 or email sales@fleet-products.com .
WHY CHOOSE Fleet Products | KBR - Heavy Duty Truck & Trailer Parts?
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