Product Description
KB799410X – HORTON DRIVEMASTER FAN CLUTCH (WESTERN STAR / DETROIT DIESEL SERIES 60)
PART NUMBER(S):
Fleet Products: KB799410X (Remanufactured) KB799272X | OE: Horton 79A9410, 99A9410, Kit Masters 99410
DESCRIPTION:
Model: Horton DM Advantage On/Off Drivemaster
Vehicles: Western Star trucks (2002–2008) with Detroit Diesel Series 60 engines
• Fan Pilot Diameter: 2.56″
• Pulley Diameter: 7.50″
• Belt Count: 1
• Belt Groove Count: 10
• Belt Groove Type: PK
• Belt Type: 10PK
• Fan Blade Bolt Circle: 3.50″
• Fan Drive Bolt Pattern: 6x, 3/8-24 Thread, 0.81″ Long
• Overall Length: ~10.8″
• Engagement Type: Spring-engaged, air-disengaged
• Drive Type: Direct, mechanical
• Bearing Design: Dual bearing hub
• Torque Capacity: 5,000 in-lbs+
• Unique Features: Auto Lock fail-safe, OE-style seals and shaft
Applications:
Is this fan clutch compatible with your Detroit Diesel Series 60-powered Western Star? Yes—designed for Western Star vocational and highway trucks (2002–2008), this Horton Drivemaster delivers OEM torque handling, reliability, and drop-in fitment with a 10PK pulley and 2.56″ pilot hub.
CROSS-REFERENCE(S):
79A9410, 99A9410, 999410, 989410, 988605, 999272, 989272, 98A9410, 998605, 799410, 79A9410RMAN, R799410, K799410, RX79A9410RMAN, RX79A9410RMANRF, 99410, KM99410, FC799410, 3912-79A9410, 3912-99A9410, 1000-799410, 1000799410, HOR79A9410, HOR 79A9410, HOR-79A9410, HOR99A9410, ZBH79A9410, RC799410, RC 799410, HT79A9410, FC799750, K5 99410, K599410, KMN2099410, KM N20 99410, ABPN2099410, ABP N20 99410, ABPN20999410, FLT99410, FLT99272, KMI99410, ZBH99A9410, 3443-99410
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:
✔ Confirm pulley type (10PK serpentine) before installation.
✔ Verify pilot diameter and bolt circle dimensions (2.56″ / 3.50″).
✔ Replace seals and fasteners during service for best reliability.
✔ Core return required for remanufactured units.
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 | Email: sales@fleet-products.com
WHY CHOOSE FLEET PRODUCTS | KBR - HEAVY DUTY TRUCK & TRAILER PARTS?
- Canadian-owned and operated since 1985
- Trusted by fleets, mechanics, and B2B partners across North America
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- Competitive pricing with core return refunds
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