1、Applicable: Trim tab actuator assembly is perfect for marine use, Replacement for Lenco. Replacing OE number for reference is 15054‑001. High torsion motor pushes 750 lbs with ease. 2、Maximum Waterproofing: The trim tab actuator has a top cap gland seal that protects both the actuator cable outer jacket and internal conductors, ensuring excellent waterproofing. 3、Durable Construction: Built with high impact UV resistant nylon 66, 50% glass fiber reinforced thermoplastic housing, the boat actuator offers exceptional durability. 4、Powerful and Secure: The marine actuator utilizes a self locking ballscrew mechanism for secure positioning. With twice the power compared to typical hydraulic actuators. 5、Reliable Sealing: The trim tab actuator features a double o ring design for a reliable seal. This ensures that no water or contaminants can penetrate the actuator, prolonging its lifespan.