You can send a request for quote for p/n 21A42 to Power Air Consulting using powerairconsulting.com. This part is manufactured by Esc Control Electronics Llc. The description of it is Delay Line. The national stock number associated with this part is 5999012044935. 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 21A42 part requirements.