Garmin Autopilot Check Valve KitMaintain reliable autopilot performance with the Garmin Autopilot Check Valve Kit. It isolates the autopilot pump from the steering system when the autopilot isn't active, helping prevent pressure loss and ensuring crisp, immediate responses when you need to steer. Isolates autopilot pump: Prevents slow pressure leak down by separating the pump from the steering system when the autopilot is disengaged. Compatible with 1. 2L and 2. 0L pumps: Designed