Genuine Tohatsu 11.6x11 Aluminium Propeller 40-60HP 3T5B64523-1

Genuine Tohatsu three-blade aluminium propeller with an 11.6-inch diameter and 11-inch pitch. Part 3T5B64523-1 is intended for compatible 40–60 HP Tohatsu outboards using the matching 13-spline propeller shaft. A lower-pitch propeller can improve acceleration and load-carrying ability, but final selection must be based on engine speed, boat weight and current propeller size.

Key Features

• Genuine Tohatsu propeller assembly
• Three-blade, right-hand rotation design
• Aluminium construction for dependable general-purpose use
• 11.6-inch diameter and 11-inch pitch
• 13-spline hub for the applicable Tohatsu gearcase

Technical Specs

• Manufacturer: Tohatsu
• Part type: Propeller assembly
• Material: Aluminium
• Diameter: 11.6 in (11 5/8 in)
• Pitch: 11 in
• Blades: 3
• Rotation: Right hand
• Spline count: 13
• Manufacturer part number: 3T5B64523-1

Compatibility / Fitment Guide

Listed for selected Tohatsu 40–50 HP two-stroke outboards, including applicable TLDI models, and MFS40A, MFS50A and MFS60A four-stroke models. Propeller fit and pitch suitability vary by model, gearcase, boat and operating load. Compare the stamped size and spline count on the existing propeller and confirm the engine model and serial number before ordering.

Part Number Cross Reference

• Tohatsu: 3T5B64523-1
• Search format without punctuation: 3T5B645231
• Size marking: 11.6 x 11 / 11 5/8 x 11

Frequently Asked Questions

Is this a genuine Tohatsu propeller?
Yes. This listing is for genuine Tohatsu part 3T5B64523-1.

Will it fit every 40–60 HP Tohatsu?
No. Fitment depends on the exact model, gearcase and propeller shaft. Verify the model, serial number and 13-spline shaft before purchase.

What does 11.6 x 11 mean?
The first measurement is the propeller diameter in inches and the second is the pitch in inches.