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