56000-ZW4-H19 Power Trim-Tilt - Overview. The 56000-ZW4-H19 Power Trim-Tilt is an essential component within Honda marine engine systems, electronically adjusting the angle of your outboard motor's lower unit. This power trim and tilt assembly improves your boat's handling, fuel efficiency, and overall performance by allowing quick and precise adjustments to the motor's tilt position while underway. Engineered to meet factory specifications, it ensures seamless integration with existing parts, m