Skip to product information

| TOHATSU

TOHATSU PARTS | CYL BLOCK & CRANKCASE ASSY | 3B2B01100-2 | | Mercury/Mariner 878-803660A04

3B2B01100-2

  • Free Shipping ✅

🚚 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 £621.04 GBP
Sale price £621.04 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

💬 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 Parts CYL Block & Crankcase Assy 3B2B01100-2 is a high-quality, genuine replacement part designed specifically for Tohatsu outboard motors. This assembly includes the cylinder block and crankcase, essential components for the engine's operation and performance.

Constructed with precision engineering and durable materials, this assembly is built to withstand the rigors of marine environments and deliver reliable performance. The cylinder block houses the pistons and cylinders, while the crankcase houses the crankshaft and other moving parts, ensuring smooth and efficient operation of the engine.

This Tohatsu Parts CYL Block & Crankcase Assy is a direct replacement for the original part, ensuring a perfect fit and seamless installation. It is compatible with various Tohatsu outboard motor models, providing peace of mind and confidence in its performance.

Whether you are a professional mechanic or a DIY enthusiast, this genuine Tohatsu part is a trusted choice for maintaining and repairing your outboard motor. With the part number 3B2B01100-2 and reference number 878-803660A04, you can easily identify and order the correct part for your specific Tohatsu outboard motor model. Trust in the quality and reliability of Tohatsu Parts to keep your outboard motor running smoothly and efficiently on the water.

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.