Product Description
KB791012X – HT/S ADVANTAGE FAN CLUTCH (CATERPILLAR 3306)
PART NUMBER(S):
Fleet Products: KB791012X (Remanufactured) | OE: 791012, 05-11369-027, 05-11369-039
DESCRIPTION:
Model: HT/S Advantage
Vehicles: Freightliner, Kenworth, Peterbilt, Volvo, Western Star, Sterling, Marmon (Caterpillar 3306, 1989–1997)
• Clutch Type: Pneumatic On/Off
• Friction Plate: 9.5"
• Belt Configuration: 5V (5 groove)
• Belt Groove Location: 1.93"
• Belt Groove Type: V
• Belt Count: 5
• Front Pulley Diameter: 7.16"
• Overall Length: 6.86"
• Bolt Circle: 6"
• Fan Pilot Diameter: 5.00"
• Fan Blade Stud Length: 6x, 3/8-16 Thread, 1.62'' Long
• Vertical Mounting Distance: 7"
• Horizontal Mounting Distance: 4"
• Drive Type: Pneumatic
• Bearing Design: Durable dual bearing hub assembly with advanced sealing
Applications:
Is this fan clutch compatible with your Caterpillar-powered heavy-duty vehicle? Yes—engineered for models like Freightliner, Kenworth, Peterbilt 375/377/379, Volvo, Western Star, Sterling, and Marmon equipped with the Caterpillar 3306 engine from 1989–1997, this HT/S Advantage reman delivers reliable on/off cooling with direct OEM fitment.
CROSS-REFERENCE(S):
591012, 511369039, 05-11369-039, 981216, 511369027, 05-11369-027, 991147, 981140, 991176, 981172, 991202, 991050, 791012, 991020, 981036, 981004, KMN2091012, KM N20 91012, ABPN2091012, ABP N20 91012, FLT91012, KMI91012, 3443-91012, HOR791012, 1093-08070-02, 3967208, 8122376, 20822-3495, 20084A, 3037149, 1077-08069-02, HOR981216, 91012, KM91012
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 belt groove alignment (1.93") before installation to prevent premature wear.
✔ Maintain a minimum 90 psi air supply for consistent clutch engagement.
✔ Inspect fan blades for cracks or damage before installation to ensure proper balance.
✔ Replace hub bearings when installing a new or remanufactured fan clutch for extended service life.
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
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- Competitive pricing with core return refunds
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