Please fill out the form below for Cover Heater Muffler Tail and get a quote for part number 40B19939 by Hawker Beechcraft Ltd, please include required quantity along with expected turn around time. Our knowledgeable account manager will reply you shortly. Also check for the related parts for part number 40B19939. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.