Part Number 12637-M3 M9 OPTION B having (CAGE Code 26740) and FSC 1650 Aircraft Hydraulic, Vacuum, and De-icing System Components in stock with ready to ship. Get an instant quote for 12637-M3 M9 OPTION B Manifold Assembly Hydraulic by Almo Electronics Inc. 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.