If you find one hose is leaking its always best practice to replace the set. 2017-2023 L5P Duramax 2500/3500HD. DHD fuel hoses are specifically engineered to match the exact fit and function as OE. DHD's exclusive 2 layer braided hose utilizes high qualityNitrile andNeoprene rubber to remain flexible, leak free and resist to UV and ozone deterioration for years.
