Description
KB799173X - DRIVEMASTER FAN CLUTCH - KENWORTH T300 / CAT 3126, C7
PART NUMBER(S):
Fleet Products: KB799173X (Remanufactured) | Replaces OE: Horton 79A9173, 79A9173 H0R, 79A9173H0R, HOR 79A9173, HOR79A9173, HT79A9173, 989173, 999173, 799173, 79A5173, K799173, R799173, 99A9173, 79A9173RMAN, RC 799173, RC799173, ZBH79A9173 | Kit Masters 99173, KM99173, KM N20 99173, KMN2099173, KMI99173 | Caterpillar 20R-8392 | Freightliner / Daimler Truck North America / Fleetrite FLT99173, ABP N20 99173, ABPN2099173 | Mack 3912-79A9173 | Paccar Parts 79A9173RMAN
DESCRIPTION:
Model: DriveMaster on/off DM Advantage fan clutch
Vehicles: Kenworth T300 2002-2005; Kenworth and Sterling
Engines: Caterpillar 3126, C7
• Belt Configuration: 8PK serpentine / 8K, 1K reference
• Back Pulley Diameter: 5.56"
• Overall Length: 6.85"
• Belt Groove Location: 0.86"
• Fan Pilot Diameter: 2.56"
• Fan Blade Stud Length: 1.07"
• Stud Thread Size: 0.375-24 UNF
• Fan Bolt Circle: 3.50"
• Vertical Mounting Distance: 6.31"
• Horizontal Mounting Distance: 2.36"
• Fan Drive Ratio: 1.29:1
• Fan Center: 15.25"
• Plate Specification: 65.0
• Stud Specification : 27.1
• Horton OEM Reference: 989173
• Service Reference: 79A9173 replaces old service number 999173
CROSS-REFERENCE(S):
79A9173, 79A9173 H0R, 79A9173H0R, HOR 79A9173, HOR79A9173, HT79A9173, 989173, 999173, 799173, 79A5173, K799173, R799173, 99A9173, 79A9173RMAN, RC 799173, RC799173, ZBH79A9173, 99173, KM99173, KM N20 99173, KMN2099173, KMI99173, 20R-8392, FLT99173, ABP N20 99173, ABPN2099173, 3912-79A9173, 1000-799173, 1000799173, 3443-99173, 1000-799173, 1000799173, 3443-99173
A cross-reference listing means this part should be a suitable replacement for the part numbers listed.
IMPORTANT INSTALLATION NOTES:
✔ Confirm belt style: 8PK serpentine / 8K reference.
✔ Verify back pulley diameter, belt groove location, fan pilot, bolt circle and stud thread before installation.
✔ Confirm fitment for Kenworth T300 2002-2005 with Caterpillar 3126 or C7 engine.
✔ Inspect fan blades, belts, pulleys, spacer, bracket, air supply lines and seal components before reinstalling a remanufactured clutch.
✔ After installation, confirm fan clutch engagement, air control response and fan-to-shroud clearance before returning the vehicle to service.
Drivemaster On/Off Repair Kits:
- Minor Seal Repair Kit: 294346
- Major Repair Kit: 294351
- Super Repair Kit: 295568, 295575, 299985, Q299999 (Universal)
- Lining Kit: 294349
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
