Description
KB791007X - HORTON HT/S ADVANTAGE ON/OFF FAN CLUTCH FOR FREIGHTLINER/STERLING/WESTERN STAR CATERPILLAR 3406 - REMANUFACTURED
PART NUMBER(S):
Fleet Products: KB791007X (Remanufactured) | Replaces OE: Horton: 591007, 791007, 981006, 981141, 981214, 981219, 981261, 981294, 981343, 981365, 981366, 987076, 987078, 987079, 991021, 991148, 991283, 991350, 991375, 997088, 997096 | Western Star: 20822-3508, 20822-3515, 20822-3533 | Facet: 20073A | Kit Masters: 91007, KMN2091007, KMI91007 | Alliance: ABPN2091007 | Fleetrite: FLT91007
DESCRIPTION:
Model: Horton HT/S Advantage On/Off Fan Clutch
Vehicles: Freightliner FLB and FLD120; selected Sterling and Western Star trucks from 1989-2001 with Caterpillar 3406, 3406C, or 3406E engines
• Clutch Operation: Air-engaged, spring-disengaged
• Front Pulley Diameter: 9.50"
• Back Pulley Diameter: 6.25"
• Overall Length: 7.29"
• Belt Configuration: 4V, four-groove
• First Belt Groove Distance: 2.31"
• Fan Blade Bolt Circle: 3.50"
• Fan Pilot Diameter: 2.00"
• Number of Fan Blade Studs: 6
• Fan Blade Stud Length: 2.62"
• Fan Blade Stud Thread: 3/8"-16
• Vertical Mounting Distance: 10.00"
• Horizontal Mounting Distance: 5.00"
• Friction Plate Diameter: 9.50"
CROSS-REFERENCE(S):
1000-791007, 1000791007, 3443-91007, FC791007, HOR-791007, HOR791007, HT791007, K5 91007, K591007, KB791007, KC91007, KM N20 91007, RC 791007, RC791007, RF791007X, ZBH791007
A cross-reference listing means this part may be a suitable replacement for the listed part numbers. Always verify fitment before installation.
IMPORTANT INSTALLATION NOTES:
✔ Confirm the 9.50" front pulley, 6.25" back pulley, 4V belt configuration, and 2.31" first-groove position.
✔ Verify the 2.00" fan pilot, 3.50" bolt circle, six-stud pattern, stud dimensions, and mounting distances.
✔ Inspect the fan blades, belts, pulleys, mounting bracket, air line, and fan-control valve for wear or damage.
✔ Keep the air supply clean and dry, and torque all mounting hardware to Horton or vehicle-manufacturer specifications.
✔ Verify pulley alignment, fan clearance, air-system sealing, engagement, and disengagement before returning the truck to service.
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.
Warranty Information
