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