Genuine Tohatsu Head Gasket MFS9.9E 15E 20E 3RS-01005-0 Mercury EFI
3RS-01005-0
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Genuine Tohatsu Head Gasket
MFS9.9E / MFS15E / MFS20E | 3RS-01005-0
This genuine Tohatsu cylinder head gasket is designed for the two-cylinder MFS9.9E, MFS15E and MFS20E four-stroke EFI outboard platform. It provides the critical seal between the cylinder head and engine block during powerhead repair or overhaul. The gasket is also cross-referenced for selected Mercury EFI outboards built on the same engine family.
Key Features
- ✔ Genuine Tohatsu: Original manufacturer replacement gasket.
- ✔ EFI-Specific Fitment: Designed for the E-series electronic fuel injection platform.
- ✔ Critical Powerhead Seal: Seals combustion, oil and cooling passages between head and block.
- ✔ Direct Replacement: Matches Tohatsu part number 3RS-01005-0.
Technical Specs
| SKU / MPN | 3RS-01005-0 |
| Part Type | Cylinder Head Gasket |
| Engine Type | 4-Stroke EFI |
| Cylinder Configuration | 2-Cylinder |
| Quantity | 1 Gasket |
| Supply Type | Genuine Tohatsu |
Compatibility / Fitment Guide
| Make | Model/Application | Notes |
|---|---|---|
| Tohatsu | MFS9.9E | 4-stroke EFI; verify model suffix and serial number. |
| Tohatsu | MFS15E | 4-stroke EFI; verify model suffix and serial number. |
| Tohatsu | MFS20E | 4-stroke EFI; verify model suffix and serial number. |
| Mercury | Selected 10HP, 15HP and 20HP EFI | Only where the parts catalogue lists Mercury 8M0134437. |
OEM Cross Reference
| Tohatsu | 3RS-01005-0, 3RS010050 |
| Mercury Marine | 8M0134437, 27-8M0134437 |
Questions & Answers
Is this a genuine original part?
Yes. This listing is for a genuine Tohatsu cylinder head gasket.
Will it fit a carburettor model?
No carburettor-model fitment is claimed. This gasket is listed for the MFS9.9E/MFS15E/MFS20E EFI family.
Are head bolts or other gaskets included?
No. The listing is for one cylinder head gasket only unless the product images explicitly show otherwise.
How do I confirm Mercury compatibility?
Check the Mercury serial-number parts catalogue and confirm reference 8M0134437 before ordering.
Note: Cylinder-head work requires the correct tightening sequence and torque specifications. Verify the engine serial number and follow the manufacturer workshop manual.
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.
