Description
Yanmar 128170-11310 Valve Cover Gasket – OEM Replacement for 1GM10 Marine Engines
The Yanmar 128170-11310 Valve Cover Gasket is a high-quality OEM replacement gasket engineered for Yanmar 1GM10-series marine diesel engines. Designed to seal the valve cover to the cylinder head, it prevents oil leaks and maintains consistent engine performance and cleanliness under demanding marine conditions.
Ideal for routine engine maintenance, valve adjustments, or top-end rebuilds, this gasket offers a durable, oil-resistant seal that ensures long service life and easy installation. It’s a cost-effective aftermarket alternative that matches the performance and fit of the genuine Yanmar part.
⚙️ Compatibility
Compatible with the following Yanmar marine engines:
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1GM10
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1GM10C
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1GM10VE
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1GM10(YMI)
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1GM10L
(Always verify your engine serial number before ordering.)
📦 Technical Details
| Specification | Detail |
|---|---|
| Part Number | 128170‑11310 |
| Type | Valve Cover (Bonnet) Gasket |
| Material | Rubber / composite for oil resistance |
| Condition | New, OEM replacement |
| Compatibility | 1GM10 series engines |
💡 When to Replace
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Oil leaks around the valve cover
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Routine top-end maintenance or rebuilds
✅ Why Choose This OEM Replacement Kit
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Reliable fit and performance matching Yanmar specifications
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Durable material for long-lasting sealing
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Cost-effective alternative to genuine OEM parts
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Easy installation with basic tools
🛒 Available at MarinePartSystem
Purchase the Yanmar 128170‑11310 Valve Cover Gasket (OEM Replacement) at MarinePartSystem, your trusted source for marine engine replacement parts.






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