Model # S3521--- Official Hoover canister vacuum

Part #21447072

The manufacturer no longer makes this part, and there's no substitute part

Part #38521018

The manufacturer no longer makes this part, and there's no substitute part

Part #21447041

The manufacturer no longer makes this part, and there's no substitute part

Part #4010028K

The manufacturer no longer makes this part, and there's no substitute part

Part #21447003

The manufacturer no longer makes this part, and there's no substitute part

Part #33712007

The manufacturer no longer makes this part, and there's no substitute part

Part #43453052

The manufacturer no longer makes this part, and there's no substitute part

Part #43414064

The manufacturer no longer makes this part, and there's no substitute part

Part #32156010

The manufacturer no longer makes this part, and there's no substitute part

Part #51151010

The manufacturer no longer makes this part, and there's no substitute part