FMSI > Fuel System > Steel Adapters > Steel to Nylon Adapter Fuel Lines > Item # 3121 FMSIFMSI Fuel SystemFuel System Steel AdaptersSteel Adapters Steel to Nylon Adapter Fuel LinesSteel to Nylon Adapter Fuel Lines Item # 3121 Item # 3121, Steel to Nylon Adapter Fuel Lines 3121Steel to Nylon Adapter Fuel Lines Request Information Email This Page Download PDF Download PDF Printable Page Close Window Unit of Measure Imperial Metric Both Specifications | Application Specifications Size N/A 3/8" x 3 3/4" Style N/A C Application N/A Hose End Ford/GM/Chrysler (Use with 3/8" Nylon Tube 2998)