Description

Horton 79A9815-2 Engine Cooling Fan Clutch, Remanufactured
Used on heavy-duty trucks.

Model: DM Advantage Two-Speed (DMA2S)
OEM Reference: 989815

Features
Two-speed operation (low/high fan engagement)
Designed for heavy-duty diesel applications (Freightliner, CAT, etc.)
Supports multiple fan sizes (approx. 15″, 19″, 20″ fan centers)
High-torque design for large cooling fans

Cross References
79A9815
989815
20R-8419 (Caterpillar)
FLT99815 (Navistar)
3912-79A9815 (Mack)

Typical Engine Pairings (Industry Use)
While exact fitment depends on spec, this model is commonly associated with:
CAT C-series engines (C10, C12, C13, C15)
Navistar MaxxForce / older DT-series
PACCAR MX / Cummins ISX platforms (in similar Horton 2-speed setups)