Features: 1.Fitment: Replacement for Dodge Ram for Cummins Diesel 5.9L manual transmission and 6.7L manual and automatic transmissions. 2.Function: Improves the efficiency of the cooling system, cools the intake air temperature of the engine, and ensures optimal engine efficiency. 3.Long Durability: Coolant bypass hose kit is made from aluminum alloy for maximum durability, high performance, strong rust resistance. 4.Easy Installation: Comes with hose and O ring fittings to ensure leak free installation, no complicated operations, convenient for using. 5.Rigorous Testing: Manufactured to meet standard specification, strictly follow factory quality control, can be used for a long time. Specification: Item Type: Coolant Bypass Kit_x000D_ Material: Aluminium Alloy_x000D_ Fitment:_x000D_ Replacement for Dodge Ram for Cummins Diesel 5.9L (Only Manual Transmission!). 2003-2007 _x000D_ Replacement for Dodge Ram for Cummins Diesel 6.7L (Manual and Automatic Transmissions.). 2007.5-2018 _x000D_ Description:_x000D_ For 5.9L Version: For the 03?07 5.9L manual transmission version, coolant bypass kit will eliminate the factory transmission fluid heat exchanger._x000D_ _x000D_ For 6.7L Version: Factory installed transmission fluid heat exchangers are not common for model 07.5?18 6.7L trucks automatic and manual transmissions. For 6.7L customers with heat exchanger, need to purchase heating tube to complete the installation.