Product Description
KB799381X HORTON DRIVEMASTER REMAN FAN CLUTCH – FOR WESTERN STAR / MBE4000
PART NUMBER(S):
HORTON: 79A9381, 989381, 99A9381, 999381
KIT MASTER: 99381
DESCRIPTION:
Model: DM Advantage Two-Speed
Engines: Mercedes-Benz MBE4000, used in Freightliner, Volvo, Sterling, Navistar, and Mack
Vehicles: Western Star
DM Repair Kits:
- Minor Seal Repair Kit: 294346
- Major Repair Kit: 294351
- Super Repair Kit: 295568, 295575, Q299999 (Universal)
APPLICATIONS:
Built for Western Star trucks equipped with Mercedes-Benz MBE4000 engines. A robust, remanufactured solution ideal for high-load diesel cooling systems using air-actuated clutch drives. Compatible across multiple OEM platforms including Navistar and Freightliner.
SOLD AS REMANUFACTURED – CORE RETURN REQUIRED
Built to OEM standards — thoroughly cleaned, inspected, and tested to ensure durability, performance, and reliability in demanding applications.
CROSS-REFERENCE(S):
Confirm whether your system uses a single-speed or two-speed fan clutch.
12930926901, 3443-99381, 3443-993812, 3912-79A9381, 3912-999381, 3912999381, 799381, 79A9381, 79A9381RMAN, 989381, 98A9381, 99381, 999381, 999381-HO, 999381H0R, 999381HO, 99A9381, 99a9381, ABP N20 99381, ABP N20 993812, ABPN2099381, ABPN20993812, FLT99381, FLT993812, HOR 79A9381, HOR 999381, HOR79A9381, HOR999381, KM N20 99381, KM N20 993812, KMI99381, KMI993812, KMN2099381, KMN20993812, PFC FLT99381, ZBH79A9381
A cross-reference listing means this compressor should be a suitable replacement for the part numbers listed. Please confirm all ports and dimensions match your application before installing
INSTALLATION NOTES:
>Confirm pulley size and bolt pattern match original equipment
>Use thread locker and torque to OEM specs during installation
>Replace any gaskets, O-rings, or worn hardware
>Test clutch engagement post-install before returning to service
>Inspect fan blades for wear or imbalance prior to reassembly
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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