Mercury - Digital Trim Sender Kit 75-115 HP FourStroke 8M0109722. Overview. The Mercury Digital Trim Sender Kit (8M0109722) upgrades your 75-115 HP FourStroke outboard to full SmartCraft digital trim. This kit replaces the analog trim sender with a digital version, allowing your engine to send trim data directly to SmartCraft displays like VesselView, SC100, or MercMonitor.. It's an easy way to modernize your rig with cleaner wiring, better accuracy, and true digital communication between your engine and helm.. Key Features. Converts analog trim signal to digital SmartCraft trim. Provides accurate, real-time trim position readings. Compatible with VesselView, SC100, and MercMonitor systems. Simple plug-in installation using factory connectors. Genuine Mercury OEM upgrade kit for perfect fit and long-term reliability. Compatibility. Mercury 2.1L 75-115 HP FourStroke outboards. Designed for SmartCraft system upgrades. Works with VesselView, SC100, and MercMonitor SmartCraft displays. Per