B1340021S – ClimaTek Furnace Blower Motor 1/3 HP 115 Volt Replaces Goodman. This ClimaxTek furnace blower motor provides 1/3 horsepower of heating circulation power at 115 volts. It’s designed as a direct replacement for Goodman, Amana, and Janitrol units, making installation straightforward when your original motor fails. The motor replaces part numbers including B1340021, B1340003, B1340002, and several variants. Built with quality materials for lasting performance in residential furnace applications. Verify your existing part number matches before ordering to ensure proper fit. 7.0 x 7.0 x 14.0 inches. Afkt OEM Rplm Goodman Part # B1340021S.