FMSI > Fuel System > Repair Lines > Fuel Repair Lines > Item # 3361 FMSIFMSI Fuel SystemFuel System Repair LinesRepair Lines Fuel Repair LinesFuel Repair Lines Item # 3361 Item # 3361, GM Duramax Diesel Fuel Line Repair (1/2" x 10") 3361GM Duramax Diesel Fuel Line Repair (1/2" x 10") Request Information Email This Page Download PDF Download PDF Printable Page /Asset/3360.png /Asset/3360.png Close Window - Replacement fuel line for GM trucks with Duramax diesel engines - 1/2" Cupro Nickel line (10" length) - 1/2" compression union (#4405) on one end and ridge bead on the other Unit of Measure Imperial Metric Both Specifications Tube Size N/A 1/2" Cupro Nickel 10" Length Side #1 N/A Ridge Bead for Fuel Line Quick Connector Side #2 N/A 1/2" Compression Union #4405