Genuine Tohatsu Water Pump Kit 4-6HP MFS4 MFS5 MFS6 369-87322-2 Mercury
369-87322-2
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Genuine Tohatsu Water Pump Kit
M4 / M5 / MFS4 / MFS5 / MFS6 | 369-87322-2
This genuine Tohatsu water pump repair kit provides the matched service components required for selected 4HP, 5HP and 6HP portable outboards. Tohatsu lists 369-87322-2 for M4/M5 two-stroke and MFS4/MFS5/MFS6 four-stroke model families. Correct water-pump maintenance helps prevent overheating and loss of cooling-water flow.
Key Features
- ✔ Genuine Tohatsu: Original manufacturer water-pump repair kit.
- ✔ Complete Service Solution: Matched impeller, key, liner, guide plate, gaskets and associated kit parts.
- ✔ Portable Outboard Fitment: For specified 4HP, 5HP and 6HP model families.
- ✔ Two- and Four-Stroke Applications: Covers the listed M-series and MFS-series engines.
Technical Specs
| SKU / MPN | 369-87322-2 |
| Part Type | Water Pump Repair Kit |
| Primary Models | M4, M5, MFS4, MFS5, MFS6 |
| Engine Types | Selected 2-Stroke & 4-Stroke |
| Brand | Tohatsu |
| Supply | Complete Kit as Pictured |
Compatibility / Fitment Guide
| Make | Model/Application | Notes |
|---|---|---|
| Tohatsu / Nissan | M4, M5 | Selected two-stroke models; confirm model suffix. |
| Tohatsu | MFS4, MFS5, MFS6 | Selected four-stroke models; confirm model suffix. |
| Mercury / Mariner | Selected 4HP, 5HP and 6HP models | Only where the serial-number catalogue lists a matching cross-reference. |
OEM Cross Reference
| Tohatsu / Nissan | 369-87322-2 |
| Earlier Tohatsu Numbers | 369-87322-1, 369-87322-0 |
| Mercury Marine | 16159A03, 8M0155395, 16159A1, 16159T01 |
| Sierra Marine | 18-3248 |
Questions & Answers
Is this a genuine original part?
Yes. This listing is for a genuine Tohatsu water pump repair kit.
Does it fit MFS2.5 or MFS3.5?
No fitment is claimed for those models; Tohatsu lists different water-pump components for them.
Will it fit every Mercury 4HP to 6HP engine?
No. Confirm the Mercury or Mariner serial number and a matching cross-reference before ordering.
What is included?
The kit contains the components supplied by Tohatsu under 369-87322-2. Use the product photographs to verify the exact contents.
Note: Professional installation is recommended. Inspect the pump housing and driveshaft, fit the impeller correctly and test cooling-water flow after reassembly.
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.
