The BD Diesel Bypass Tube Eliminator Kit (1600036) is a high-quality upgrade designed specifically for 1999–2003 Ford Powerstroke 7.3L trucks equipped with the 4R100 automatic transmission. This kit eliminates the factory bypass tube, which is known to restrict fluid flow and cause elevated transmission temperatures under heavy towing or high-performance conditions. By replacing the restrictive factory setup, the BD Diesel Eliminator Kit improves transmission fluid circulation, enhances cooling efficiency, and contributes to longer transmission life. It is a direct-fit solution engineered for durability and easy installation, making it an ideal choice for Powerstroke owners looking to improve transmission performance and reliability.