WE USUALLY SHIP IMMEDIATELY (MONDAY-FRIDAY, EXCLUDING WEEKENDS & HOLIDAYS). WE STOCK ON OUR SHELF MOST PARTS LISTED. Please note: Any order requesting special shipping arrangements, additional handling fees may apply. Inquire at time of placing order. These parts are some of our more popular items in this category. If you are looking for a part for your Onan product and don't see it here, please give us a call at (315)676-2711 and we may either have it stock or be able to locate it for you.