Description
KB799437X - DRIVEMASTER FAN CLUTCH - KENWORTH / CAT C15, C16 ACERT
PART NUMBER(S):
Fleet Products: KB799437X (Remanufactured) | Replaces OE: Horton 79A9437, 98A9437, 99A9437, 999437, 989437, 799437, 79A9346, 99A9346, 98A9346, 999346, 989346, 799346, RX79A9437RMAN, RX79A9437RMANRF, RX79A9346RMAN | Kit Masters 99346, 99437, KMN2099346, KM N20 99346, KMI99346 | Paccar F17-1000-337, F171000337, F17-1000-320, F171000320, F17-6013-337 | Alliance Truck Parts ABPN2099346, ABP N20 99346 | Freightliner FLT99346 | Other 3443-99346
DESCRIPTION:
Model: DriveMaster on/off fan clutch
Vehicles: Kenworth T800 and T600, 2004-2007
Engines: Caterpillar C15 ACERT, C16 ACERT
• Belt Configuration: 8PK / 6PK dual pulley
• Back Pulley Diameter: 7.20"
• Front Pulley Diameter: 8.64"
• Overall Length: 7.28"
• Belt Groove Location: 1.94"
• Fan Pilot Diameter: 2.56"
• Fan Blade Stud Length: 1.07"
• Fan Bolt Circle: 3.50"
• Vertical Mounting Distance: 3.40"
• Horizontal Mounting Distance: 5.00"
• Fan Drive Ratio: 1.25:1
• Fan Center Reference: 12.00"
• Fan Blade Service Reference: 996762252-001
• Horton OEM Reference: 98A9437
• Related Two-Speed Reference: 79A9908 / 99A9908 is the two-speed version and requires fan blade change when converting from 99A9437 on/off
CROSS-REFERENCE(S):
KB799437X, 98A9346, 799437, 79A9437, 989437, F171000320, F17-1000-320, 999346, 99A9437, 799346, 79A9346, 99A9346, 989346, 98A9437, 999437, F171000337, F17-1000-337, F17-6013-337, 99437, KMN2099346, KM N20 99346, ABPN2099346, ABP N20 99346, FLT99346, RX79A9437RMANRF, RX79A9437RMAN, RX79A9346RMAN, KMI99346, 3443-99346, 99346, 99A9908, 79A9908, 999908, 989908
A cross-reference listing means this part should be a suitable replacement for the part numbers listed. Please confirm all dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Confirm belt style: 8PK / 6PK dual pulley.
✔ Verify back pulley diameter, front pulley diameter, belt groove location, fan pilot, bolt circle and mounting distances before installation.
✔ Confirm fitment for Kenworth T800 or T600 with Caterpillar C15 / C16 ACERT engines.
✔ Do not convert to two-speed 79A9908 / 99A9908 unless the required fan blade change and set-back fan application are confirmed.
✔ Inspect fan blades, belts, pulleys, air supply lines and solenoid operation 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
