The Sinister Diesel Turbo Coolant Feed Line addresses one of the most common failures of the cooling system in the 6.7L Powerstroke. The feed line that provides cooling to the turbocharger can often develop a leak. The Sinister Diesel's Turbo Coolant Feed Line is constructed from braided stainless steel instead of a the OEM rigid feed line. The braided line is far more forgiving to vibrations and engine motion. It also utilizes a multi-ply silicone coolant hose instead of the OEM rubber section. For unsurpassed reliability, the Sinister Diesel Turbo Coolant Feed Line for the 6.7 Powerstroke is your go-to solution.