Product Description
KB791079X – HT/S ADVANTAGE FAN CLUTCH (Freightliner/Cummins ISM, M11; Kenworth, Peterbilt/Cummins ISM)
PART NUMBER(S):
Fleet Products: KB791079X (Remanufactured) | OE: 791079, 997075, 987065
DESCRIPTION:
Model: HT/S Advantage
Vehicles: Freightliner (Cummins ISM, M11), Kenworth (Cummins ISM), Peterbilt (Cummins ISM)
• Clutch Type: On/Off
• Fan Blade Bolt Circle: 3.5"
• Pulley Diameter: 7.50"
• Fan Pilot Diameter: 2.00"
• Friction Plate: 9.5"
• Drive Type: Pneumatic / Air-engaged (On/Off, single-speed)
• Engagement Type: Piston friction disc technology
Applications:
Is this fan clutch compatible with your Cummins ISM or M11-powered heavy-duty vehicle✔ Yes—engineered for Freightliner, Kenworth, and Peterbilt models, this HT/S Advantage fan clutch offers reliable on/off cooling control, long service life, and drop-in OEM fitment for demanding fleet and vocational applications.
CROSS-REFERENCE(S):
791079, 997075, 987065, 997017, 987008, 511369060, 05-11369-060, KMN2091079, KM N20 91079, ABPN2091079, ABP N20 91079, FLT91079, KMI91079, 3443-91079, 91079, HOR791079, KM91079, ZBH791079
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:
✔ Torque lock nut (pulley to hub) to 150 ft-lb (203 Nm)
✔ Torque button head cap screws to 35–40 in-lb (4–4.5 Nm)
✔ Torque air chamber cap screws to 180 in-lb (20.3 Nm)
✔ Clean and lubricate splines with anti-seize before assembly
✔ Align lockup holes before torquing
✔ Verify air engagement pressure between 90–120 psi
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 since 1985• Trusted by fleets, mechanics, and B2B partners across North America
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• Competitive pricing with Core Return Refunds
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