Product Description
KB799455X – DRIVEMASTER FAN CLUTCH (STERLING / MERCEDES-BENZ MBE4000)
PART NUMBER(S):
Fleet Products: KB799455X (Remanufactured) | OE: Horton 989455, Kit Masters 99455, Mercedes 999455
DESCRIPTION:
Model: Horton DM Advantage SE 21 (Remanufactured)
Vehicles: Sterling HX Chassis (2004–2007)
Engines: Mercedes-Benz MBE4000
• Engagement Type: Pneumatic air on/off, spring-engaged
• Pulley Diameter: 7.46″
• Belt Configuration: 1-belt, 8PK serpentine
• Fan Pilot Diameter: 2.56″
• Fan Blade Bolt Circle: 3.5″
• Fan Drive Bolt Pattern: 6x, 3/8-24 Thread, 1.07″ Long
• Weight: ~44 lbs
• Application Use: Designed for Daimler-built Sterling HX models using the MBE4000 engine family
Applications:
If you’re running a Sterling HX with an MBE4000 (2004–2007), this is the Horton Drivemaster you need. Same fit, same cooling performance, remanufactured to OEM spec for fleets that expect dependable service life.
CROSS-REFERENCE(S):
799455, 999455, 989455, 99455, 99301, KMN2099455, KM N20 99455, ABPN2099455, ABP N20 99455, FLT99455, KMI99455, 3443-99455, HOR799455, HOR799455-2, HOR999455, HOR-999455, KC99455, ZBH799455, 4039500
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 diameter (7.00″) and belt groove type (8PK) match your original unit
✔ Verify pilot diameter (2.56″) and bolt circle (3.5″) for proper alignment
✔ Replace all O-rings, gaskets, and worn hardware during install
✔ Torque bolts to OEM spec with thread locker applied
✔ Engage and test the clutch before returning the vehicle to service
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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