STAINLESS STEEL PROPELLER 14.8x23 LEFT 48-13705A46

Function and technical context

The 14.8x23 stainless steel propeller is the fundamental propulsion element in marine transmission systems, responsible for converting engine power into direct thrust on the water. It works integrated into the tail shaft of the MerCruiser propulsion system, coupling directly to the engine to generate traction by rotating its blades in the aquatic environment. Its correct operation is critical to maintain cruising efficiency, acceleration and directional stability of the hull; Any wear, deformation or cavitation in the blades causes progressive loss of thrust, abnormal vibrations and high fuel consumption.

When to replace this part?

Symptoms of deterioration in the propeller include persistent vibrations in the shaft, loss of acceleration compared to usual behavior, abnormal cavitation noise during acceleration, and visible deformation or erosion in the blades after dry visual inspection. It is recommended to check the condition of the propeller each sailing season and replace it preventively if it shows structural damage, even partial, since a compromised propeller significantly reduces cruising performance and promotes premature wear of the tail shaft and the system bearings; In saline water environments such as the Mediterranean or the Atlantic, preventive replacement avoids sudden breakdown and costly out-of-port repairs.

Equivalent manufacturer part numbers