Please fill out the form below for Placard Ext Pwr Mx and get a quote for part number S4142-1 by Cessna Aircraft Company, 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 S4142-1. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.