Genuine Tohatsu Fuel Tank Cap 393-70020-6 M4C M5B 2-Stroke Outboard Part
393-70020-6
- Dispatched in 2-3 days
- 30 Day Return Policy
- Low stock - 3 items left
- Backordered, shipping soon
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 |
| Vent Type: | Manual Twist Breather |
| Tank Type: | Internal/Integral Tank |
Compatibility / Fitment Guide
| Model | Power | Engine type |
|---|---|---|
| Tohatsu M4 | 4 HP | 2-stroke |
| Tohatsu M5B | 5 HP | 2-stroke |
How to check before ordering: the part number on your old part should be 393-70020-6 (or a superseding number). If you are not sure, send us your engine model and serial number (on the plate on the engine bracket) and we will confirm fitment before you order. Tohatsu often uses the same part on related models, so this list may not be complete.
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?
This cap fits Tohatsu M4 and M5B (4 and 5 HP 2-stroke). To be sure, check the part number 393-70020-6 on your old cap or send us your engine model and serial number.
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.
