STAINLESS STEEL PROPELLER 15.5x17 LEFT 48-90159A46

Function and technical context

The left-turning 15.5x17 stainless steel propeller is the fundamental propulsion component that transforms the engine power into forward movement of the boat. It works in the marine propulsion system, coupled to the transmission shaft and subjected to high revolutions and continuous efforts in a saline environment. Its construction in marine quality stainless steel guarantees extreme resistance to corrosion and oxidation characteristic of seawater, significantly extending the useful life compared to conventional materials. Wear or cavitation in the blades reduces propulsive performance, reduces the maximum speed of the vessel and increases fuel consumption, directly impacting operational efficiency and navigation safety.

When to replace this part?

Marine propellers should be inspected regularly for leading edge erosion, microscopic cracks, warping, or loss of material due to cavitation and impacts with submerged objects. It is recommended to check the condition of the propeller at least once per intensive navigation season, especially after strandings or navigation in waters with debris. Preventive replacement of a worn propeller prevents progressive loss of performance, reduces vibrations that damage bearings and seals, and prevents catastrophic breakages at sea that compromise the maneuverability of the vessel.

Equivalent manufacturer part numbers