Product Description
KB797204X – DRIVEMASTER FAN CLUTCH (DETROIT DIESEL DD13/DD15/DD16)
PART NUMBER(S):
Fleet Products: KB797204X (Remanufactured) | OE: Horton 79A7204, Borg Warner 10023623, Horton 79A8264, 99570 Kit Masters
DESCRIPTION:
Model: Horton Drivemaster DMA On/Off (Remanufactured)
Vehicles: Western Star 4900 (2007–2013) with Detroit Diesel DD13, DD15, DD16 engines
• Back Pulley Diameter: 6.85″
• Overall Length: 7.88″
• Belt Configuration: 10PK
• Belt Groove Location: 1.98″
• Fan Pilot Diameter: 2.56″
• Bolt Circle: 3.50″
• Fan Blade Stud Length: 6x, 3/8-24 Thread, 0.81″ Long
• Vertical Mounting Distance: 2.83″
• Horizontal Mounting Distance: 8.66″
• Stud Thread Size: .375-24 UNF
Applications: Is this Drivemaster fan clutch compatible with your Detroit Diesel-powered Western Star? Yes—engineered for 4900 models from 2007–2013 with DD13, DD15, and DD16 engines, it delivers OEM-grade cooling control for 10PK belt systems in high-demand fleet and vocational applications.
CROSS-REFERENCE(S):
10023623, 3443-99570, 3443-995702, 79A7204RMAN, 79A8264, 98A7204, 98A8264, 99A7204, 99A8264, ABP N20 99570, ABP N20 995702, ABPN2099570, ABPN20995702, HOR79A7204, HOR98A9570, HOR98A9570-2, HOR98A95702, KM N20 99570, KM N20 995702, KMI99570, KMI995702, KMN2099570, KMN20995702, 99A9752, 98A9752, HOR99A7204, HOR99A8264, HOR79A8264, KIT-MASTER 97204, HOR Q99570, FLT99570, 010023623, 797204, 79A7204, 97204, 987204, 98A7204, 997204, 99A7204, FC797204
A 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:
✔ Verify fan pilot and bolt circle dimensions match your original.
✔ Confirm 10PK belt groove configuration and location before installation.
✔ Suitable for Western Star trucks with Detroit Diesel DD13, DD15, DD16 engines.
✔ Always inspect pulleys and belts before reinstalling a remanufactured clutch.
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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