Kenmore Nozzle Hose Unit - 15 Inch X Series and other models

and other models

A bag filling toward its limit restricts airflow and weakens suction

An exhaust filter loads with dust over time

A corroded or broken terminal interrupts that connection

Kenmore Nozzle Hose Unit - 15 Inch X Series and other modelsThis genuine OEM 15 inch nozzle hose unit serves the Kenmore 31150 and BU1018 uprights, carrying dirt from the floor nozzle up to the dust collection compartment. It is the internal airway that moves debris off the brush roll and into the bin. When this internal hose cracks, kinks, or works loose at a connection, suction weakens at the floor nozzle and pickup drops even though the motor runs normally. Replacing it reopens the airway so debris travels