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KB791008X HT/S Advantage fan clutch remanufactured, fits Freightliner/Western Star CAT 3406, 9.5" friction plate, dual pulley design, OEM fitment
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KB791008X | HTS Advantage Fan Clutch (Freightliner/CAT 3406)

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SKU:
KB791008X
Condition:
Certified Remanufactured
Availability:
In stock, call to order 877-243-0442 (toll-free)
Core Part No.:
791008C
Refundable Core Deposit:
C$780 / US$540

Description

KB791008X - HT/S ADVANTAGE FAN CLUTCH

PART NUMBER(S):
Fleet Products: KB791008X (Remanufactured) | OE: 791008, 79A1008, 91008, 981008, 98A1008, 991008, 99A1008, FC791008

DESCRIPTION:

Model: HT/S Advantage (On/Off Style)
Vehicles: Freightliner, Western Star – Caterpillar 3406, 3406 ATAAC (1988–1995)
• Type: Pneumatic on/off engagement 
• Friction Plate: 9.5"
• Front Pulley Diameter: 7.5"
• Back Pulley Diameter: 9.5"
• Fan Pilot Diameter: 2"
• Fan Blade Bolt Circle: 3.5"
• Fan Blade Stud Length: 6x, 3/8-16 Thread, 2.62" Long
• Belt Configuration: 4V (4-groove V-belt)
• Belt 1st Groove Distance: 2.31"
• Drive Type: Pneumatic on/off
• Hub/Bearing: Two-bearing hub assembly with advanced dust seal technology
• Mounting: OEM-spec drop-in replacement

Applications:
Is this fan clutch compatible with your Caterpillar-powered heavy-duty truck✔ Yes, engineered for Freightliner and Western Star models from 1988–1995, this HT/S Advantage delivers dependable cooling performance with drop-in OEM fitment for 3406 and 3406 ATAAC engines.

CROSS-REFERENCE(S):

991022, KB791008, RF791008X, 791008, 3406 ATC, 981007, 981282, 991271, 20072A, 20822-3520, 208223520, 3912-791008, 3912791008, 591008, 791008-HO, 791008HO, ABP N20 91008, ABPN2091008, HOR 791008, HOR791008, RF591008X, ZBH791008, FLT91008, KMI91008, 3443-91008, KMN2091008, KM N20 91008, 1000-791008, 1000791008

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 fan pilot diameter, pulley diameters, and belt configuration before installation
✔ Ensure clean, properly routed air supply line (minimum 90 PSI)
✔ Follow manufacturer torque specifications during installation
✔ Replace hub bearings when replacing the fan clutch for maximum lifespan

HTS Advantage Repair Kits:

  • Minor Seal Repair Kit: 294205
  • Major Repair Kit: 294315
  • Super Repair Kit: 294305
  • Lining Kit: 294246

    • SOLD AS REMANUFACTURED | CORE RETURN REQUIRED

    Built to OEM standards | thoroughly cleaned, inspected, and tested to ensure durability, performance, and reliability in demanding applications.

    WHY CHOOSE FLEET PRODUCTS | KBR - HEAVY DUTY TRUCK & TRAILER PARTS?

    • Canadian-owned since 1985
    • Trusted by fleets, mechanics, and B2B partners across North America
    • Fast, Reliable Shipping Across North America
    • Competitive pricing with Core Return Refunds
    • Price Match Guarantee | Find a better price? We'll beat the difference by 10%!

    Warranty Information

    We provide a warranty on all new and remanufactured parts for 12 months, 160,000 km (100,000 miles), or 3,600 hours - whichever comes first, with off-highway components covered for 90 days. Defective products must be returned within 30 days of discovery for inspection. The warranty covers repair or replacement of defective parts and excludes issues caused by improper installation, maintenance, or service. Visit our website’s Warranty section for complete details and claim instructions.

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