Description
KB799361X – DRIVEMASTER FAN CLUTCH (KENWORTH / CATERPILLAR C15, C16)
PART NUMBER(S):
Fleet Products: KB799361X (Remanufactured) | OE: Horton 989361, Kit Masters 99361, CAT 20R-8406
DESCRIPTION:
Model: Horton DM Advantage SE 21
Vehicles: Kenworth W900, W900L (2004–2007)
Engines: Caterpillar C15, C16
• Clutch Type: On/Off Pneumatic
• Belt Configuration: 2-belt, 6PK + 8PK grooves
• Pulley Diameters: 8.64″ and 7.2″
• Fan Pilot Diameter: 2.56″
• Fan Blade Bolt Circle: 3.5″
• Bolt Pattern: 6x, 3/8-24 Thread, 1.07″ Long
• Application Use: Heavy-duty cooling for vocational and highway Kenworth trucks with Caterpillar C15/C16 engines.
Applications:
Is this fan clutch compatible with your Caterpillar-powered Kenworth✔ Yes—fits 2004–2007 Kenworth W900 & W900L models with C15 and C16 engines. Engineered for high-output cooling, it ensures dependable performance in heavy-duty Class 8 service.
CROSS-REFERENCE(S):
799361, 79A9361, 79A9361-2, 79A5361, 79A93612, 989340, 989361, 989626, 98A9361, 98A8361, 4059000, 99340, 99361, 99361-2, 993612, 999340, 999361, 99A9361, 8037423, 20R-8406, 3912-79A9361, 3912-999361, 3912799361, 3912999361, 3912-79A93612, 3912-993612, 391279A93612, 3912993612, F17-1000-319, F17-1000-325, F17-6013-325, F171000319, F171000325, F176013325, P99A9361, K799361, R799361, K5 99361, K599361, KMI99361, KMI993612, KM N20 99361, KM N20 993612, KMN2099361, KMN20993612, ABP N20 99361, ABP N20 993612, ABPN2099361, ABPN20993612, FC799361, FLT99340, FLT99361, HO 79A9361, HO79A9361, HOR 79A9361, HOR 79A9361-2, HOR 999361, HOR 993612, HOR79A9361, HOR79A93612, HOR999361, HOR993612, RC 799361, RC799361, ZBH79A9361, ZBH999361, ZBH993612, HT79A9361, HT999361, RF993612, TM502C2190NC, 3443-99361, 3443-993612A 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 diameters (8.64″ / 7.2″) before installing
✔ Check fan pilot diameter (2.56″) and bolt circle spacing (3.5″) for exact fit
✔ Always replace O-rings, seals, and gaskets during installation
✔ Torque bolts to OEM specifications; avoid overtightening
✔ Test clutch engagement to verify proper operation before returning vehicle to service
Drivemaster On/Off 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
