Its 4-inch stroke provides the mechanical advantage required for multi-section dampers

Durable Construction: The 48Y frame and sleeve bearing design are engineered for the high-demand environment of outdoor air-cooled condensers

always verify your specific model's pressure differential requirements against Carrier service literature

The 51-42179-01 is a CCW (Counter-Clockwise) rotation motor when viewed from the lead end

This factory-tested motor effectively replaces worn Fasco 11177202 models

Nordyne 669471R Coil 318820-201 Its 4-inch stroke provides theThe Nordyne 669471R is a high performance 24v reversing valve coil designed for precision operation in air conditioning and heat pump systems. This genuine OEM component is the direct replacement for part number EF19ZZ134, ensuring seamless integration into existing service workflows. Built to withstand the rigorous demands of HVAC 4 way valves, this coil handles the electrical shifting of the reversing valve to toggle between heating and cooling