Tohatsu Outboard Upper Water Pipe Seal 345-65206-0 25hp 30hp 40hp 50hp Cooling
Tohatsu Outboard Upper Water Pipe Seal 345-65206-0 25hp 30hp 40hp 50hp Cooling
Tohatsu OEM WATER PIPE SEAL (UPPER) — Part #345-65206-0 - UK Stock image 1
Tohatsu OEM WATER PIPE SEAL (UPPER) — Part #345-65206-0 - Technical specification image 2
Tohatsu OEM WATER PIPE SEAL (UPPER) — Part #345-65206-0 - Technical specification image 3
Tohatsu OEM WATER PIPE SEAL (UPPER) — Part #345-65206-0 - Technical specification image 4

Tohatsu Outboard Upper Water Pipe Seal 345-65206-0 25hp 30hp 40hp 50hp Cooling

345-65206-0

  • Dispatched in 2-3 days
  • 30 Day Return Policy
  • Low stock - 3 items left
  • Backordered, shipping soon
Our stock levels are dynamic and can change frequently. If a product appears to be in stock, it may have already sold out. Please contact us if you have any questions about availability. Thank you for your understanding.

Regular price£3.65
/
Tax included.

Water Pipe Seal 345-65206-0

Premium Quality Upper Rubber Seal for Outboard Cooling

This precision-engineered Upper Water Pipe Seal (345-65206-0) is a critical component of your outboard's cooling system. It ensures a watertight connection between the water tube and the upper casing, preventing pressure loss that can lead to engine overheating.

RELIABILITY: Manufactured from marine-grade oil-resistant rubber to withstand high-temperature cycles and salt-water exposure.

Key Features

  • ✔ OEM Direct fit replacement
  • ✔ High-grade durable rubber
  • ✔ Restores cooling system pressure
  • ✔ Resistant to salt, oil, and heat

Technical Specs

Part Type: Water Pipe Seal (Upper)
Material: Marine Grade Rubber
Location: Water Tube to Casing
Fitment Range: 25HP - 50HP

Compatibility / Fitment Guide

Engine Type Models Notes
Tohatsu 2-Stroke M25C2, M25C3, M30A3, M30A4, M40C, M50C, M50D Upper Seal Location
Tohatsu 4-Stroke MFS25A, MFS25B, MFS30A, MFS30B EFI & Carb Models
Mercury / Mariner 25HP, 30HP (Japan Build) Check cross reference

OEM Cross Reference

Tohatsu / Nissan: 345-65206-0, 345-65206-0M, 345652060M
Mercury Mariner: N/A (Check Japanese model diagrams)

Questions & Answers

Is this a genuine original part?

This is a premium high-quality replacement part designed to meet or exceed original equipment (OE) standards for marine cooling system performance.

Where is this seal located on the engine?

This is the "Upper" seal. It sits at the top of the water pipe inside the driveshaft housing, creating a seal where the water tube meets the powerhead/exhaust adapter area.

How do I know if it is compatible?

We recommend checking your engine model number. This part is verified for Tohatsu 25hp, 30hp, 40hp, and 50hp models as listed in our fitment guide. If your part number matches 345-65206-0, this is the correct item.

Note: Please verify your original part number against the references above before purchasing from 4boats.co.uk.

For the products under £150 the shipping is £6.99.

Free delivery for most items over £150.

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