Yanmar 121450-11310 Valve Cover Gasket —3GM Series Engines

Description

Yanmar 121450-11310 Valve Cover Gasket – OEM Replacement for 3GM Series Marine Engines

The Yanmar 121450-11310 Valve Cover Gasket is a high-quality OEM replacement gasket designed for Yanmar 3GM-series marine diesel engines, including 3GM, 3GM30, 3GM30F, 3GMD, and related models. It provides a tight, oil-resistant seal between the valve cover and cylinder head, preventing leaks and protecting internal components from contamination.

Built from durable rubber/composite materials, this gasket ensures long-lasting performance under marine conditions. It’s an essential part for top-end service, valve adjustments, or engine rebuilds, helping maintain clean, efficient, and reliable engine operation.

⚙️ Compatibility

Compatible with the following Yanmar marine engines:

• 3GM

• 3GM30

• 3GM30F

• 3GM30YEU

• 3GM30FC

• 3GMD

• 3GMD-YEU

(Always verify your engine model and serial number before ordering.)

📦 Technical Details

💡 When to Replace

• Oil leaks around the valve cover

• Oil residue on cylinder head or block

• During valve adjustments, top-end service, or rebuilds

✅ Why Choose This OEM Replacement Gasket

• Perfect fit designed to meet Yanmar specifications

• High-quality rubber/composite materials for long service life

• Cost-effective alternative to OEM gaskets

• Simple installation with basic tools

🛒 Available at MarinePartSystem

Order the Yanmar 121450-11310 Valve Cover Gasket (OEM Replacement) today from MarinePartSystem, your trusted supplier of Yanmar marine engine parts.