Skip to product information

| TOHATSU

TOHATSU PARTS | BEVEL GEAR B | 3B2-64020-0 | 3B2-64020-1 | Mercury/Mariner 43-803740 1

3B2-64020-0

🚚 Dispatched in 1-3 Days

⏱️ 14 Day Return Policy

Out of stock

Out of stock

Be the first to know when this item is back in stock.

Enter your email below and we'll notify you instantly so you don't miss out.

Prefer not to inbox watch?

You can still order now and we'll ship as soon as it's available, typically within 3-4 weeks.

Sold out
Regular price £31.03 GBP
Sale price £31.03 GBP Regular price
Tax included. Shipping calculated at checkout.
Payment methods
  • American Express
  • Apple Pay
  • Bancontact
  • Diners Club
  • Discover
  • Google Pay
  • Klarna
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa
Shop safely with us

We ship with

EVRI DHL Royal Mail

💬 Ask a question about this product

By signing up you agree to receive marketing emails and text messages. View our privacy policy and terms of service for more info.


Product Specifications and Features


The Tohatsu Bevel Gear B, part number 3B2-64020-0, is a high-quality replacement gear designed specifically for Mercury/Mariner outboard engines. This bevel gear is an essential component in the engine's power transmission system, responsible for transferring power from the drive shaft to the propeller shaft.

Manufactured by Tohatsu, a renowned brand in the marine industry, this bevel gear is built to meet or exceed OEM specifications, ensuring optimal performance and durability. It is a direct fit for various Mercury/Mariner models, including those with the part number 43-803740 1.

With its precision engineering and robust construction, this bevel gear offers reliable and efficient power transfer, enhancing the overall performance of your outboard engine. Whether you are replacing a worn-out gear or upgrading your engine, the Tohatsu Bevel Gear B is a reliable choice that guarantees smooth operation and longevity.

Installation of this bevel gear is straightforward, and it is recommended to follow the manufacturer's guidelines for proper fitment. Regular maintenance and inspection of the gear are essential to ensure its longevity and prevent any potential issues.

Investing in genuine Tohatsu parts, such as this bevel gear, ensures compatibility and reliability, giving you peace of mind while out on the water. So, if you are in need of a high-quality replacement bevel gear for your Mercury/Mariner outboard engine, the Tohatsu Bevel Gear B with part numbers 3B2-64020-0 and 3B2-64020-1 is the perfect choice.

Shipping Information

All orders ship from the UK. Orders placed Monday–Thursday before 12:00pm are processed same day. Orders placed Friday after 12:00pm through Sunday are processed the following Monday. Processing times vary by stock location.

Out of stock items can be back-ordered with a typical 3–4 week lead time.

If an item shows "Dispatch Available Today" and you order after 2pm UK time, processing begins the next business day.

All times are in UK BST.

Notice: Due to ongoing conflicts impacting logistics, some deliveries or re-stocking may take a little longer than expected. We're working to get your order to you as quickly as possible.

  • Largest parts catalogue in the UK

    Explore over 50,000 marine parts, all in one place.

  • Secure and safe shopping

    Your personal data is protected with SSL encryption.

  • Best prices on the internet

    We compare prices daily to ensure you get the best deal.

  • Satisfaction Guarantee

    We stand behind every product with a full satisfaction guarantee.