Description: Fitment: for Ram 5.9 L for 03-07 Quality Material: coolant bypass nylon hose kit is made from nylon and aluminum alloy for maximum durability High Performance: coolant bypass tube kit will lower coolant temperature at the rear cylinders, ensure consistent temperatures across all cylinders, prevent damaging coolant pressure build up. Function: The coolant bypass nylon hose kit replacement provide better cooling efficiency, prevent freeze plugs from bursting, cools the intake air temperature of the engine, and ensures optimal engine efficiency, protect the engine. Easy to Install: easy installation, does not require complicated tools and operations, convenient for using Specification: Fitment: for Ram 5.9 L 03-07 Package Includes: 1 Pack Coolant Bypass Hose Kit Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping