The PPE 115910101 Silicone Hose & Clamp Kit for your 2001 GM 6.6L Duramax LB7 are constructed using Fluorocarbon lined, silicon rubber that is strengthened with five plies of Nomex fibers. This design results in a hose that resists fuel, oil, UV, ozone, as well as various other chemicals plus it has a burst rating of over 200 psi from negative 76 degrees to 437 degrees Fahrenheit. Simply put, these will be the last hoses and boots you will ever buy.
