Genuine Tohatsu Fuel Tank Cap 393-70020-6 M4C M5B 2-Stroke Outboard Part
393-70020-6
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Genuine Tohatsu Fuel-Tank Cap 393-70020-6
Premium OEM Replacement Part for M4C & M5B Outboards
Maintain the integrity of your outboard's fuel system with this Genuine Tohatsu Fuel Tank Cap Assembly (393-70020-6). This cap is precision-engineered for the internal (integral) fuel tanks found on popular small-displacement 2-stroke engines. As an Original Equipment Manufacturer (OEM) part, it ensures a perfect airtight seal, preventing fuel evaporation and protecting your engine from water or debris contamination.
Key Features
- ✔ Manual Vent Screw: Integrated breather to regulate tank pressure.
- ✔ Threaded Design: Ensures a secure, leak-proof lock.
- ✔ Chemical Resistant: Constructed from UV-stabilized marine resin.
- ✔ OEM Precision: Guaranteed direct fit without modification.
Technical Specs
| SKU/MPN: | 393-70020-6 |
| Material: | High-Density Polymer |
| Gasket: | Nitrile Rubber Seal |
| Vent Type: | Manual Twist Breather |
| Tank Type: | Internal/Integral Tank |
Compatibility / Fitment Guide
| Brand | Model Series | Engine Type |
|---|---|---|
| Tohatsu | M4C, M5B, M5BS | 2-Stroke (Integral Tank) |
| Nissan | NS4C, NS5B | 2-Stroke (Integral Tank) |
| Mercury/Mariner | 4HP, 5HP (Tohatsu built) | 2-Stroke (Integral Tank) |
OEM Cross Reference
| Tohatsu/Nissan Part Numbers | 393-70020-6, 393-70020-5, 393-70020-0 |
| Nissan Identification | 393700206M |
| Mercury Equivalent | 812675 / 8126751 (Verification Recommended) |
Questions & Answers
Is this a genuine original part?
Yes, this is an authentic Genuine Tohatsu factory part, supplied in original packaging where possible. It is not an aftermarket replica.
How do I know if it is compatible?
We recommend checking the SKU/MPN list. If your outboard is a 4hp or 5hp 2-stroke Tohatsu or Nissan with an internal tank, this is likely the correct part. Please verify your manual for part 393-70020.
Will this fit a 4-stroke engine?
No. This specific cap (393-70020-6) is designed for 2-stroke M4C and M5B models only. 4-stroke models typically use part number 3D6-70020-5 or 3H9-70316-4.
Note: 4boats.co.uk recommends verifying your engine's serial number and original parts catalog to ensure 100% fitment accuracy before purchase.
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.
