0307431 0378039 Evinrude/Johnson 10 x 12 Pin-Drive Aluminium Propeller | Genuine Used Part

🔧 Product Description

Genuine Evinrude Johnson 10 x 12 Pin-Drive Aluminium Propeller - Part Number: 0307431

A genuine used three-blade right-hand aluminium propeller for early Evinrude, Johnson and Gale V4 outboards using the non-thru-hub pin-drive propeller shaft.

This 10 x 12 propeller fits the early 3/4-inch flat propeller shaft with a drive pin rather than a splined hub. OMC service reference 0378039 is associated with original propeller and casting number 0307431. It must not be confused with later 13-spline thru-hub propellers.

⚙️ Key Features

• Genuine OMC / Evinrude / Johnson pin-drive propeller

• 10-inch diameter x 12-inch pitch

• Three-blade aluminium construction with right-hand rotation

• Zero-spline drive-pin hub for the 3/4-inch flat propeller shaft

• Non-thru-hub-exhaust design for early V4 gearcases

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 0378039 later OMC service / boxed propeller reference

• 0307431 original propeller casting and OEM reference

OEM / Related Numbers:

• 0307431

• 307431

• 0378039

• 378039

Aftermarket / Verified Equivalents:

• Michigan Wheel: PJ-77 - original stamped replacement reference

• Michigan Wheel: 012045 / 12045 - current 10 x 12 aluminium replacement

• Propco: H12 - 10 x 12 three-blade aluminium pin-drive propeller

🚤 Compatibility

Commonly used on:

• Early Evinrude, Johnson and Gale V4 pin-drive outboards

• Non-thru-hub-exhaust gearcases using a 3/4-inch flat propeller shaft and drive pin

Typically suits:

• Engine models:

• Johnson / Evinrude 60HP - 1964-1967

• Johnson / Evinrude 65HP - 1968

• Johnson / Evinrude 75HP Speedifour - 1960-1965

• Johnson / Evinrude 80HP V4 - 1958-1968

• Johnson / Evinrude 85HP V4 - 1958-1968

• Johnson / Evinrude 90HP V4 - 1958-1968

• Gale-branded 60HP to 90HP V4 outboards using the same 3/4-inch flat pin-drive shaft

• HP Range: 60HP - 90HP

• Engine Type: Early OMC / Evinrude / Johnson / Gale V4 two-stroke outboard with pin-drive gearcase

• Year Range: Approximately 1958 - 1968

🔌 Function

The propeller converts engine torque into thrust through a removable drive pin. The drive pin provides the mechanical connection between the flat propeller shaft and hub and must be the correct diameter, material and condition for the engine.

Common signs of failure:

• Blades are bent, cracked or heavily worn

• Drive-pin slot or bore is elongated or damaged

• Propeller is out of balance and causes vibration

• Hub or shaft fit is loose from wear or corrosion

• Drive pin shears repeatedly because the propeller or shaft is damaged

📦 Condition

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated