Oil Seal for Tohatsu Nissan Outboard 40HP 50HP 3C8-00121-0 32x42x6mm Crankshaft
3C8-00121-0
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Oil Seal 3C8-00121-0
Premium Crankshaft Upper Seal for Tohatsu & Nissan
This premium aftermarket oil seal is designed specifically for the crankshaft upper assembly of Tohatsu and Nissan outboard engines. Precision engineered to 32 x 42 x 6 mm, it provides a critical barrier to prevent oil leakage and maintain engine compression, ensuring your marine engine operates at peak performance.
Key Features
- β Direct OEM replacement fit
- β Marine-grade Nitrile Rubber (NBR)
- β Excellent heat and chemical resistance
- β Stainless steel garter spring
Technical Specs
| Inner Diameter: | 32 mm |
| Outer Diameter: | 42 mm |
| Width/Thickness: | 6 mm |
| Position: | Crankshaft Upper |
| Material: | NBR / Stainless Spring |
Compatibility / Fitment Guide
| Make/System | Model/Application | Notes |
|---|---|---|
| Tohatsu 2-Stroke | 40HP (M40D / M40D2) | Crankshaft Upper |
| Tohatsu 2-Stroke | 50HP (M50D / M50D2) | Crankshaft Upper |
| Nissan 2-Stroke | 40HP (NS40D / NS40D2) | Cross Reference Fitment |
| Nissan 2-Stroke | 50HP (NS50D / NS50D2) | Cross Reference Fitment |
OEM Cross Reference
| Tohatsu Part Number: | 3C8-00121-0 |
| Superseded Part Number: | 3C8001210M |
| Nissan Part Number: | 3C8-00121-0 |
Questions & Answers
Is this a genuine original part?
This is a premium quality aftermarket replacement part, manufactured to meet or exceed original equipment (OE) standards for fitment and performance.
How do I know if it is compatible?
We recommend checking the SKU/MPN and Cross Reference list provided above. If your original part number matches 3C8-00121-0 or 3C8001210M, it is a guaranteed fit.
Where exactly is this seal installed?
This seal is located at the Upper Crankshaft position on the engine block for the specified 2-stroke 40HP and 50HP models.
Note: Please verify your original part number against the references above before purchasing. Distributed by 4Boats.
For the products under Β£150 the shipping is Β£6.99.
Free delivery for most items over Β£150.
