Stainless Steel Propeller Titan 3 13.9X19 Left Hand

Function and technical context

This three-blade HR Titan stainless steel propeller with dimensions 13.9×19 inches and left-hand rotation is the final element of the propulsion system responsible for converting engine torque into effective thrust on the water, being decisive in the vessel's top speed, acceleration and fuel consumption. The 19-inch pitch has been sized to operate within the optimal engine speed range of Suzuki and OMC motors for which it is compatible, ensuring that the engine operates within the revolutions specified by the manufacturer without shaft overloads. The left-hand rotation makes it essential in counter-rotating configurations or in installations where the rotational direction of the propeller shaft requires this specific type, as installing a propeller with incorrect rotation causes a drastic loss of thrust and can generate unwanted lateral stresses on the stern assembly. Stainless steel manufacturing, compared to aluminum, provides greater resistance to impacts with semi-submerged objects, less blade deformation under load and superior resistance to cavitation erosion, factors that notably extend service life under intensive navigation conditions or in waters with abundant suspended material.

When to replace this part?

The clearest indicators that the propeller requires replacement are the appearance of perceptible vibrations in the rudder or hull at different engine speeds, a noticeable drop in maximum speed or acceleration response, and the presence of excessive cavitation visible at the stern that does not disappear when correcting trim. It is recommended to visually inspect the blades at each seasonal haul-out to detect warping, cracks, bent leading edges or localized erosion on the hub, as even minor deformations in stainless steel alter the dynamic balance of the assembly. Replacing the propeller preventively at any sign of structural damage to the blades protects the stern seal, shaft bearings and lower gearbox from secondary failures whose repair is considerably more costly.

Compatible Johnson/Evinrude Engines

Equivalent manufacturer references