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903962 Nordyne G5-6 Combustion Inducer Assembly

903962 Nordyne G5-6 Combustion Inducer Assembly

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903962 Nordyne G5-6 Combustion Inducer Assembly

Product Overview

903962 is a genuine OEM Nordyne “G5-6 Comb Motor Housing” inducer blower assembly engineered for G-series 80% gas furnaces. This plug-and-play module combines the PSC inducer motor, blower wheel, housing gasket, and mounting hardware to evacuate combustion byproducts efficiently and establish proper draft for safe ignition. Ideal for residential and light-commercial applications, it restores furnace reliability and airflow performance on Nordyne, Coleman, Intertherm, and private-label units built on the G5/G6 platform.


Technical Specifications

Specification Detail
Part Number 903962
Vendor Quinn Supply (Nordyne OEM)
Application G5 & G6 series gas furnace inducer blower assembly
Motor Type Permanent Split Capacitor (PSC)
Voltage 115 VAC, 60 Hz
Current Draw 1.4 A (typical)
Speed 3,300 RPM
Blower Wheel Diameter 6 in
Blower Wheel Width 8 in
Shaft Diameter 5/16 in
Housing Material Cast aluminum with integrated gasket groove
Includes Motor, blower wheel, housing, gasket, mounting hardware
Net Weight 7.59 lb
Shipping Dimensions (L×W×H) 10 × 12 × 12 in
Packaging Weight 10 oz


Cross-Reference Part Numbers

Regal Rexnord - Fasco A122

OEM Part Number Notes
903962 Current Nordyne inducer assembly
Nordyne Part ID: 138561 Manufacturer’s internal ID

No documented superseded or alternate part numbers.


Compatibility

  • Nordyne and Nordyne-Miller G5 and G6 series 80% gas furnaces

  • Coleman, Intertherm, Miller, and private-label furnaces built on the G5/G6 platform

  • Residential and light-commercial units originally equipped with a 6 in inducer blower module

Always verify your furnace’s data-plate model number, inducer requirements, and mounting footprint before ordering.


Technician Notes

  1. De-energize power and shut off the gas supply; follow lockout/tagout procedures.

  2. Remove furnace access panels to expose the existing inducer assembly.

  3. Photograph or label motor harness connections and any vacuum/pressure tubing routing.

  4. Unplug the motor harness, detach vacuum/pressure lines (if present), and remove mounting screws.

  5. Extract the old assembly, clean the gasket surface, and inspect the housing flange for damage.

  6. Position the new 903962 assembly, align the gasket, and torque mounting hardware to OEM specs.

  7. Reconnect vacuum/pressure tubing and motor harness; restore vent and duct connections.

  8. Restore power and gas, then call for heat; verify smooth inducer startup, correct RPM, and proper draft before ignition.

  9. Listen for unusual noises and inspect vibration mounts; replace worn grommets or gaskets to prevent leaks and vibration.