Product Description
KB799341X – HORTON DRIVEMASTER REMAN FAN CLUTCH (PETERBILT / CATERPILLAR C13 ACERT)
PART NUMBER(S):
Fleet Products: KB799341X (Remanufactured) | OE: Horton 989341, Kit Masters 99341, F17-1000-404
DESCRIPTION:
Model: Horton Drivemaster (DM Advantage – On/Off, Remanufactured)
Vehicles: Peterbilt 357, 378, 379 (2002–2006) with Caterpillar C11 and C13 ACERT engines
• Clutch Type: DM Advantage On/Off, spring-engaged pneumatic design
• Back Pulley Diameter: 8.59″
• Pulley Type: 8PK serpentine, single belt system
• Belt Groove Count: 8
• Belt Groove Location: 1.38″
• Fan Pilot Diameter: 2.56″
• Fan Blade Bolt Circle: 3.5″
• Fan Blade Studs: 6x, 3/8-24 Thread, 1.05″ Long
• Vertical Mounting Distance: 10″
• Horizontal Mounting Distance: 2.36″
• Center of Journal Bracket to Top Right Mounting Hole: 4.75″
• Overall Length: 6.25″
• Weight: 40.2 lbs
Applications:
Purpose-built for 2002–2006 Peterbilt 357, 378, and 379 trucks running Caterpillar C11 and C13 ACERT engines. Provides rugged cooling performance with factory geometry and DM Advantage dual-bearing reliability. Optimized for severe-duty vocational fleets and high-output cooling requirements.
CROSS-REFERENCE(S):
1000-799341, 1000799341, 3443-99341, 3912-799341, 3912-999341, 3912799341, 3912999341, 799341, 799341-2, 799341RMAN, 989341, 99341, 999341, ABP N20 99341, ABPN2099341, F17-1000-404, F171000404, FC799341, FLT99341, HOR799341, HOR999341, HT799341, HT999341, K5 99341, K599341, K799341, KM N20 99341, KMN2099341, KMI99341, R799341, RC799341, RF799341X, ZBH999341
A cross-reference listing means this part should be a suitable replacement for the part numbers listed. Please confirm all dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Confirm pulley diameter and 8PK belt groove before installing.
✔ Match fan pilot (2.56″) and bolt circle (3.5″) to OE specs.
✔ Verify vertical/horizontal mount clearances on Peterbilt chassis.
✔ Ensure compatibility with Caterpillar C11/C13 ACERT engines only.
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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