You can send a request for quote for p/n M3979 to Power Air Consulting using powerairconsulting.com. This part is manufactured by Derbyshire Mack And Morgan Inc. The description of it is Ball Valve Ported. The national stock number associated with this part is 4820015301137. 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 M3979 part requirements.