Air Conditioner Motor 115V – Replaces AO Smith ORV4538 – NBK-20455

NBK-20455 – Air Conditioner Motor 115V – NBK The NBK-20455 Air Conditioner Motor is a dependable OEM-equivalent replacement designed for RV air conditioning applications. Operating on 115V power, this motor delivers reliable airflow and consistent cooling performance. It is a direct replacement for the widely used AO Smith ORV4538 motor and multiple compatible Coleman and Century air conditioner motor models. Built to meet or exceed OEM specifications, the NBK-20455 provides a precise drop-in fit, making it an ideal solution for RV owners and service technicians maintaining rooftop AC systems. Key Features OEM-Compatible Replacement: Direct replacement for AO Smith ORV4538 air conditioner motor Reliable Cooling Performance: Designed to support consistent airflow in RV AC units Durable Construction: Built for continuous-duty operation in RV environments Direct-Fit Design: Matches OEM mounting and electrical specifications for easy installation Specifications SKU: 20455 UPC: 810069181387 Category: AC Motor / RV Parts OEM Brand: AO Smith Voltage: 115V Application: RV air conditioner motor Equivalent To AO Smith: ORV4538 Century: 322P708 Coleman: 6757A313, 6757B311, K55HXJCP-2593, N416CCW68A Why Choose the NBK-20455? The NBK-20455 is a trusted replacement motor for RV air conditioning systems. With OEM-level compatibility and durable construction, it helps restore proper airflow, improve cooling efficiency, and extend the life of rooftop AC equipment. Installation Tips Confirm voltage and mounting specifications match the original motor before installation. Disconnect RV shore power and battery power before servicing AC equipment. Inspect wiring connections and replace any worn components as needed. Consider replacing the run capacitor when installing a new AC motor. Pairs Well With Run Capacitors: Support proper motor startup and performance Fan Blades & Wheels: Improve airflow and reduce vibration Motor Mounting Hardware: Ensure secure installation RV AC Electrical Components: Relays, switches, and wiring accessories