The Lippert In-Wall Replacement Slide-Out Controller assembly will help get your RV's slide-out back to operating in no time. As an exact-match component, installation is easy and no assembly is required. Restores Slide-Out Functionality â Designed to swiftly restore your RV's slide-out functionality, the In-Wall replacement controller assembly ensures a quick return to optimal operation, minimizing downtime and allowing you to get back on the road in no time. Genuine Replacement Part â The replacement controller V-Sync II is a genuine Lippert replacement component designed specifically for In-Wall slide-outs. It includes the controller module only, not the complete slide-out assembly. Please note: Controller version 13398-DO has replaced the 13398-C2.Dimensions â 5.5"W x 3.3125"H x 1.375"D. Replacement controller V-Sync II is a genuine replacement component Includes controller module only, not complete slide-out assembly Note: Controller version 13398-DO has replaced 13998-C2 | Camping World Lippert Replacement In-Wall Slide-Out Controller V-Sync II