Duramax ECM View cart “Cummins CM550 ISB 5.9L ECM Dual Plug” has been added to your cart. $5.00 No damaged plugs Duramax ECM quantity Sell us this item Category: ECM Related products Cummins 6.7L ECM Dual Plug $100.00 Sell us this item Detroit Diesel DDEC VI ECM $35.00 Sell us this item Detroit Diesel DDEC ECM IV $110.00 Sell us this item Detroit Diesel ECM DDEC III $15.00 Sell us this item