The Volvo Penta 426817ER is a genuine OEM trim motor exchange repair unit designed for various Volvo Penta marine engines. This part is an exchange unit, meaning it is a remanufactured or reconditioned component provided by the manufacturer to replace a faulty original part. It ensures proper power trim and tilt functionality for marine propulsion systems, critical for optimal boat performance and handling. This specific part number is a direct replacement for the original trim motor, guaranteeing compatibility and reliable operation within specified Volvo Penta applications.