Product Description
HORTON S ADVANTAGE FAN CLUTCH REMAN
PART NUMBER(S):
79A0021 (Reman), 99A0021 (New OEM)
Kit Master: 90021
DESCRIPTION:
Model: Horton S and HT/S Series Fan Clutch
Engines: Cummins L10, M11, N14
Vehicles: Peterbilt, Volvo
- Clutch Style: Slip Type, Air Engaged
- Friction Plate Diameter: 7.50″ (190.5 mm)
- Fan Pilot Diameter: 5.00″ (127.0 mm)
- Belt Groove Configuration: 8K
- Back Pulley Diameter: 4.98″ (126.5 mm)
-
S Adv. Repair Kits:
- Minor Seal Repair Kit: 294205
- Major Repair Kit: 294314
- Super Repair Kit: 294307
Applications: Designed for HEAVY DUTY diesel engine cooling systems, this Horton DM Advantage fan clutch enhances thermal management, improving fuel efficiency and reducing engine wear.
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.
3912-99A0021, 3912-99A0021-2, 79A0021, 79A0021-2, 79A0021RMAN, 98A0021, 98A0021-2, 99A0021, 99A0021-2, ABP N20 14256, ABP N20 24256, ABP N20 990021, ABP N20 9900212, FLT14256, FLT24256, FLT990021, FLT9900212, HOR 79A0021, HOR 79A0021-2, HOR 99A0021, HOR 99A0021-2, HOR79A0021, HOR79A0021-2, HOR99A0021, HOR99A0021-2, ZBH99A0021, ZBH99A0021-2
A cross-reference listing means this compressor should be a suitable replacement for the part numbers listed. Please confirm all dimensions match your application before installing.
INSTALLATION NOTES:
Always inspect the pulley, bracket, and fan blades for wear or damage before installing the replacement clutch
Confirm air system pressure is within OEM specification to ensure proper engagement
Torque all mounting hardware to Horton-recommended values
Replace worn O-rings and gaskets during installation to avoid air leaks
Ensure correct belt alignment and tension to prevent premature failure
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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