OJ 3731 EVO Series 17.5 x 18.25 LH Propeller

OJ EVO 3731 Propeller Specifications

The OJ EVO 3731 4-Blade Inboard Propeller is designed for compatible inboard wakeboard and wake-surf boats seeking improved surf performance and efficiency. Developed by Johnson Propeller as part of the OJ Props Evolution Series, the EVO 3731 features a redesigned blade shape and optimized pitch distribution evolved from OJ’s proven WAKEPRO and V-4 propeller designs.

With a 17.5-inch diameter, 18.25-inch pitch, and four-blade configuration, the OJ EVO 3731 is designed for compatible inboard applications requiring a standard 1.25-inch tapered propeller shaft. Its Evolution-series design focuses on improving surf performance and efficiency.

• Replacement Reference: New model; no direct replacement listed in the catalog

OJ EVO 3731 Propeller Features

• Four-blade design for compatible inboard wakeboard and wake-surf boats
• Redesigned blade shape and optimized pitch distribution
• Developed to improve surf performance and efficiency
• Standard hub configuration for compatible 1.25-inch tapered shafts
• Part of the OJ Evolution propeller series by Johnson Propeller

Verify Propeller Fitment Before Ordering

Propeller fitment depends on your boat, engine, transmission, shaft connection, and intended use. Confirm that the OJ EVO 3731’s 17.5" x 18.25" dimensions, left-hand rotation, and 1.25-inch tapered shaft connection match your application before purchasing.

Need help selecting the right inboard propeller?

Contact Prop Depot and Tennessee Propeller & Metalworks for assistance with propeller selection and fitment.

Phone: 865-673-8171

Email: [email protected]