Blower Wheel – 5-1/4" Diameter x 2" Wide | Fits Harman & Buck Blowers | Replaces 3-21-47120 / B47120 | Part #20184Ensure optimal airflow and heat distribution in your stove or fireplace with this premium replacement blower wheel (Part #20184). Designed to match OEM specs for Harman and Buck heating units, this high-performance wheel delivers reliable circulation and system efficiency.Key Features:✅ OEM Equivalent – Direct replacement for Harman part #3-21-47120 and Buck part #B47120✅ Durable & Efficient – Precision-balanced for smooth, quiet operation and improved airflow✅ Universal Fit – Compatible with a variety of stoves and fireplaces using a 5-1/4" x 2" blower wheel✅ Easy Installation – Features a 5/16" bore for secure mounting on standard blower shaftsProduct Specifications:📌 Part Number: 20184📌 Replaces: Harman 3-21-47120, Buck B47120📌 Diameter: 5-1/4"📌 Width: 2"📌 Shaft Hole Size: 5/16"📌 Application: Fireplace and furnace blower systemsCompatible With:Harman stoves and fireplace blowersBuck Stove blower assembliesMay fit additional brands/models – verify dimensions and specs before purchaseWhen to Replace Your Blower Wheel:If it's warped, cracked, or noisyWhen airflow is reduced or unevenDuring blower motor replacement or routine maintenanceMaintain the efficiency and lifespan of your stove or insert with the 20184 Blower Wheel. Designed to OEM standards and easy to install—order now for reliable performance and better heat circulation!