Description
KB791071X - HT/S ADVANTAGE FAN CLUTCH (FREIGHTLINER/WESTERN STAR/CATERPILLAR 3126)
PART NUMBER(S):
Fleet Products: KB791071X (Remanufactured) | OE: Horton 981310, 981182, 981250
DESCRIPTION:
Model: HT/S Advantage On/Off Fan Clutch
Vehicles: Freightliner, Western Star with Caterpillar 3126 engines
• Back Pulley Diameter: 6.00″
• Pulley Diameter: 5.56″
• Vertical Mount: 7.24″
• Belt Groove Configuration: 8K serpentine (8-groove ‘K’ belt)
• Fan Pilot Diameter: 2.00″
• Bolt Circle: 3.5″
• Fan Blade Stud Length: 6x, 3/8-16 Thread, 1.12″ Long
• Engagement Type: On/Off pneumatic, air-engaged
• Friction Plate: 9.5″
• Bearing Design: Advanced hub bearing with HNBR seals and long-life air cartridge
Applications:
Is this fan clutch compatible with your Caterpillar-powered Freightliner or Western Star✔ Yes—engineered for models like C120, Century, CT120, ST120, MB/FL 70, MB/FL 80, FLN, Golden Eagle (1994–2000), this HT/S Advantage reman delivers reliable on/off cooling with drop-in OEM fitment for 8K serpentine belt drives on 3126 engines.
CROSS-REFERENCE(S):
1000-791071, 1000791071, 3443-91071, 791071, HOR791071, HOR981310, 981310, 91071, KM91071, 981182, 981250, 991242, 991298, 981144, 991182, KMN2091071, KM N20 91071, ABPN2091071, ABP N20 91071, FLT91071, KMI91071, KB791071, RF791071X, K5 91071, K591071, RC 791071, RC791071, ZBH791071A 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 pulley diameter, belt configuration, and mounting dimensions match original before installation
✔ Use only new gaskets, fasteners, and torque specs per OEM requirements
✔ Ensure pneumatic engagement system receives 90–120 psi for proper operation before vehicle restart
✔ For HT/S Advantage, verify friction plate and bearing condition during replacement
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.
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Warranty Information
