PISTON DE TRIM COMPLETO

Function and technical context

The trim piston is the central hydraulic component that regulates the tilt and height of the propulsion unit in outboard motors. Integrated into the trim and tilt system, it allows the operator to adjust the angle of attack of the engine with respect to the hull, optimizing performance in different navigation conditions and seabeds. Its correct operation guarantees the stability of the boat, improves fuel efficiency and prevents damage due to cavitation or impact against rocks and shoals. A failure in this piston causes locking in a fixed position, total loss of trim control or entry of water into the hydraulic circuit, compromising operational safety.

When to replace this part?

Typical signs of wear include slow or jerky movements when operating the trim control, visible leaks of hydraulic oil around the stem, inability to maintain the selected trim position, or partial system blockages. It is recommended to inspect the condition of the piston during each seasonal maintenance and replace it preventively if leaks or abnormal behavior are detected, avoiding costly emergency repairs at sea and guaranteeing the seaworthiness of the boat.

Engine Compatibility

Equivalent manufacturer part numbers