Red Dot 73R7215 HVAC Blower Wheel 5 Inch Diameter 3 Inch Width

Red Dot 73R7215 HVAC blower wheel is a 5-inch diameter, 3-inch wide plastic wheel designed to replace worn or damaged blower wheels in Red Dot 73R-series blowers. The part is cross-referenced with Four Seasons 35448, a widely used replacement wheel, indicating broad interchangeability with other OEM-style blowers across many HVAC applications. Red Dot's aftermarket catalog lists 73R7215 with NAVISTAR references, highlighting its use in NAVISTAR/International equipment and other heavy-duty HVAC installations. The 5" diameter and 3" width define its footprint in standard blower housings, while cross-reference data for related parts show a common hub interface around 9/16-inch hub inserts, supporting straightforward installation on compatible shafts. As a plastic construction part, 73R7215 is intended to restore airflow performance in serviceable Red Dot blower assemblies when original wheels wear out, offering a reliable replacement option within the Red Dot 73R-series ecosystem.