Part Number 20039A having (CAGE Code 61228) and FSC 1615 Helicopter Rotor Blades, Drive Mechanisms and Components in stock with ready to ship. Get an instant quote for 20039A Cooler Oil Transmis by Niagara Thermal Products Llc. 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.