Please fill out the form below for Oil Pistion Engine 55Gl and get a quote for part number 15W50-55GL by Dilmar Oil Company Inc, 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 15W50-55GL. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.