ALUMINUM PROPELLER 14.3X19 RIGHT 48-832830A45

Function and technical context

The 14.3" × 19" aluminum propeller is the propeller responsible for converting the engine's power into direct thrust towards the boat. It works in the marine transmission system, coupled to the output shaft of the Mercury engine, MerCruiser or Command Thrust systems, transferring the rotation of the crankshaft in controlled forward or reverse motion. Its right-turn design is optimized for directional stability and hydrodynamic balance in navigation. A worn, cracked or damaged propeller drastically reduces propulsion efficiency, increases fuel consumption and can cause abnormal vibrations that affect the structure of the boat.

When to replace this part?

The propeller requires visual inspection each sailing season, especially after use in areas with vegetation, rocks or shallow waters where bumps are frequent. Symptoms of failure include excessive vibrations at cruising speed, noticeable loss of maximum speed even with the engine running, abnormal noises coming from the drive shaft, or visible damage to the blades (cracks, deformations, superficial cavitation). It is recommended to replace preventively if small breaks are detected or if the propeller has suffered impacts against submerged objects, thus avoiding costly repairs to the gearbox or tail bearing in high-altitude navigation.

Equivalent manufacturer part numbers