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KB799303X Drivemaster fan clutch, reman Sterling Caterpillar C15/C16 ACERT, dual pulley 6PK/8PK, 2.56" pilot, Horton 79A9303 replacement.
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KB799303X | Drivemaster Fan Clutch (Sterling/CAT C15/C16/ACERT)

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SKU:
KB799303X
Condition:
Certified Remanufactured
Availability:
In stock, call to order 877-243-0442 (toll-free)
Core Part No.:
799303C
Refundable Core Deposit:
C$1040 / US$720

Description

KB799303X – HORTON DRIVEMASTER FAN CLUTCH (STERLING / CATERPILLAR C15 & C16 ACERT)

PART NUMBER(S):
Fleet Products: KB799303X (Remanufactured) | OE: Horton 79A9303, 99A9303, 999303 | Kit Masters 989303

DESCRIPTION:
Model: Horton DM Advantage On/Off Drivemaster
Vehicles: Sterling trucks (2004–2005) with Caterpillar C15 and C16 ACERT engines
• Fan Pilot Diameter: 2.56″
• Pulley Diameters: 7.54″, 8.57″
• Belt Count: 2
• Belt Groove Count: 6, 8
• Belt Groove Type: PK
• Belt Type: 6PK, 8PK
• Fan Blade Bolt Circle: 3.50″
• Fan Drive Bolt Pattern: 6x, 3/8-24 Thread, 0.81″ Long
• Engagement Type: Spring-engaged, air-disengaged
• Drive Type: Direct, mechanical
• Bearing Design: Dual bearing hub
• Weight: 47.5 lbs (Remanufactured unit)

Applications:
This Horton Drivemaster fan clutch is built for Sterling trucks powered by Caterpillar C15 and C16 ACERT engines (2004–2005). Designed for demanding vocational and long-haul service, it ensures consistent engine cooling and reliable operation in Class 8 diesel applications.

CROSS-REFERENCE(S):

79A9303, 99A9303, 999303, 989303, 99303, KM99303, HOR79A9303, HOR 79A9303, 3912-79A9303, 3443-99303, ABPN2099303, ABP N20 99303, FLT99303, KM N20 99303, KMI99303, KMN2099303

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 pulley diameter and groove configuration (6PK/8PK) before installation.
✔ Confirm bolt circle and pilot hub size.
✔ Core return required for remanufactured units.
✔ Recommended for vocational and long-haul diesel Sterling applications with Caterpillar C15/C16 engines.

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.

    WHY CHOOSE Fleet Products | KBR - Heavy Duty Truck & Trailer PARTS?

    • Canadian-owned since 1985
    • Trusted by fleets, mechanics, and B2B partners across North America
    • Fast, Reliable Shipping Across North America
    • Competitive pricing with Core Return Refunds
    • Price Match Guarantee – Find a better price? We’ll beat the difference by 10%!

    Warranty Information

    We provide a warranty on all new and remanufactured parts for 12 months, 160,000 km (100,000 miles), or 3,600 hours - whichever comes first, with off-highway components covered for 90 days. Defective products must be returned within 30 days of discovery for inspection. The warranty covers repair or replacement of defective parts and excludes issues caused by improper installation, maintenance, or service. Visit our website’s Warranty section for complete details and claim instructions.

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