Part Number Z129C having (CAGE Code 06858) and FSC 2990 Miscellaneous Engine Accessories Nonaircraft in stock with ready to ship. Get an instant quote for Z129C Muffler Exhaust by Sieh Inc Dba United Plumbing. Fill the form below with your desired order quantity, targeted price and the expected order-fulfilment date. Our dedicated account manager will get back to you within 15 minutes.