Transmission Cooler Line Kit for Chevy / GMC Duramax 6.6l LLY LBZ & LMM trucks with the 5 or 6 speed Allison automatic transmission. Did you know the transmission cooler lines on your Duramax are prone to leaking? Fix the problem before it becomes a headache!Heavy Duty hydraulic hoses prevent leaks. 1/2 Hydraulic Hose Provides Maximum Flow. Hose rated : 38MPa working pressure. Notice:The item does't support LB7 transmission. Rather than leaving a bad feedback. We are like to handle any problem from you, your understanding is very valuable to us. We will issue a replacement part at no cost to the purchaser. The parts that we supply are intended for installation by qualified installers. Communication always is best way to solve problem. If item is defect or wrong when it. Please never return the parcel without agreement, if you don't get RAM NO from us, it is no possible for us to get the parcel. We care about our valued customers, if you have any questions, our Customer Service will be very glad to help you. The item "Allison Transmission Cooler Lines For 06-10 Chevy/GMC 6.6l Duramax with Adapters" is in sale since Monday, August 19, 2019. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Cooling Systems\Oil Coolers". The seller is "greatgreenworks1776" and is located in Walton,KY/ City of Industry,CA/ Houston,TX. This item can be shipped to United States, all countries in Europe, Canada, Australia, Mexico.