You can send a request for quote for p/n 521729-1304 to Power Air Consulting using powerairconsulting.com. This part is manufactured by Arco Metals Co. The description of it is Coupling Hose. The national stock number associated with this part is 4730011232500. This part belongs to part family. An associate from Power Air Consulting will respond within 15 minutes to your query. It is our pleasure to help you with 521729-1304 part requirements.