Product Description
KB799037X – DRIVEMASTER ON/OFF FAN CLUTCH (CATERPILLAR C10/C12/3176)
PART NUMBER(S):
Fleet Products: KB799037X (Remanufactured) | OE: Horton 79A9037, 989037, Kit Masters 99037, 3542374C91 International, 20822-3542 Ford, KMN2099037 FREIGHTLINER
DESCRIPTION:
Model: Horton DM Advantage On/Off (Remanufactured)
Vehicles: Freightliner, International, Western Star (1988–2004) with Caterpillar 3176, C10, C12 engines
• Fan Pilot Diameter: 2.56″
• Fan Blade Bolt Circle: 3.5″
• Pulley Diameter: 7.5″, 7.75″
• Belt Groove Type: V, PK
• Belt Type: 1V, 8PK
• Belt Groove Location: 1.98″
• Fan Blade Stud Length: 0.81″ (6x, 3/8-24 Thread)
Applications: Is this fan clutch compatible with your Caterpillar-powered Class 8 truck? Yes — engineered for Freightliner, International, and Western Star models from 1988–2004, this on/off DM Advantage delivers OEM-level fitment, high-torque cooling, and improved fuel efficiency.
CROSS-REFERENCE(S):
79A9037, 208223542, 20822-3542, 999037, 99A9037, 3542374C91, 98A9037, 989037, 799037, KMN2099037, KM N20 99037, ABPN2099037, ABP N20 99037, FLT99037, KMI99037, 3443-99037, 79A5037, 79A9037RMAN, 99037SP, ZBH99A9037, 20R-8383, 3912-79A9037, HOR 79A9037, HOR79A9037, HOR989037, HOR999037, HOR99A9037, HOR79A9037-2, KM99037, KM N20 99037, KMN2099037, FC799037, RF799037X, RF79037X, P99A9037, HT79A9037, 79A9037-2, ABP N20 99037, Alliance Truck Parts ABP N20 99037, Daimler Truck North America KM N20 99037, Volvo 20822-3542, Navistar 3542374C91, Fleetrite FLT99037, 3542374C91, 99037, 99037SP
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 belt groove type (V, PK) and configuration (1V, 8PK) before installation.
✔ Check fan pilot and bolt circle dimensions for precise fitment.
✔ Ensure pulley diameters (7.5″, 7.75″) match OEM spec.
✔ Torque fan blade studs (3/8-24 Thread) to manufacturer specification.
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
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