Product Description
KB799502X – DRIVEMASTER FAN CLUTCH (KENWORTH / PACCAR PX-6)
PART NUMBER(S):
Fleet Products: KB799502X (Remanufactured) | OE: Horton 79A9502, 79A95022, 99A9502 | PACCAR F17-6005-9012
DESCRIPTION:
Model: Horton DriveMaster DMA
Vehicles: Kenworth T300 (2007–2010)
Engines: PACCAR PX-6
• Back Pulley Diameter: 6.57″
• Overall length: 8.23″
• Belt Configuration: 8PK
• Fan Pilot Diameter: 2.56″
• Fan Blade Bolt Circle: 3.5″
• Fan Blade Stud Length: 1.07″ (.375-24 UNF)
• Vertical Mounting Distance: 2.01″
• Horizontal Mounting Distance: 4.41″
• Drive Type: On/Off
Applications:
Built for Kenworth trucks (2007–2010) with PACCAR PX-6 engines, this Horton Drivemaster remanufactured clutch provides OE-correct cooling with lower cost of ownership. Designed for reliability in medium-duty applications and built as a direct bolt-in replacement.
CROSS-REFERENCE(S):
3443-99502, 3443-995022, 3912-99A9502, 391299A9502, 3912-79A95022, 79A9502, 79A9502-2, 79A95022, 79A9502-2RMAN, 79A5502-2, 98A9502, 98A9502-2, 98A95022, 989502, 99502, 99502-2, 995022, 999502, 99A9502, 99A9502-2, 99A95022, ABP N20 99502, ABP N20 995022, ABPN2099502, ABPN20995022, F17-6005-9012, F1760059012, FLT99502, FLT995022, HOR99A9502, HOR79A9502, HOR79A9502 2, HOR79A95022, HOR98A9502, HOR99A9502-2, KM N20 99502, KM N20 995022, KMI99502, KMI995022, KMN2099502, KMN20995022, P99A9502, RX99A9502RMANRF, ZBH99A9502
A cross-reference listing means this part is a suitable replacement for the part numbers listed. Please confirm all dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Confirm pulley and belt groove match OE before installation
✔ Torque fan blade studs to OEM spec (use anti-seize if reusing blades)
✔ Inspect hub and mounting surfaces for flatness/cleanliness
✔ Verify belt alignment and system clearance
✔ Test engagement after installation to confirm proper operation
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.
SUPPORT & ORDERING
For technical support, installation guidance, or to confirm fitment, call 1-877-243-0442 or email sales@fleet-products.com
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