Description
Overview:
This head gasket is a direct-fit replacement for the Yanmar 3TNV76 diesel engine used in compact plant such as mini excavators, skid steer loaders and generator sets. Built from durable, heat- and pressure-resistant materials with metal reinforcement, it seals the combustion chambers and the oil and coolant passages between the cylinder head and block. This maintains compression, prevents cross-leaks and supports reliable cold and hot starts. The bore diameter is 76 mm (approximately 3 inches) for an accurate fit on the 3TNV76. Designed to match the original geometry and bolt pattern, it helps restore engine efficiency after head removal or overhaul. Manufacturer Part Number (MPN): 080 685.
Key Features:
- Precise 76 mm bore (approx. 3 inches) for the Yanmar 3TNV76 engine
- Robust construction resists high cylinder pressures and thermal cycling
- Reliable sealing of combustion, coolant and oil galleries to minimise leaks
- Stable under repeated heat soak and cooldown to maintain long-term compression
- Matches original dowel locations and bolt pattern for straightforward installation
- Suitable for mini excavators, skid steers and gensets powered by 3TNV76
- Helps restore performance, reduce fluid loss and improve overall engine efficiency
- Compatible with common coolants and lubricants used in diesel engines
- Engineered for consistent sealing across the full gasket surface
- Practical choice for routine maintenance, rebuilds or top-end repairs
Typical Applications:
Used during cylinder head refits on Yanmar 3TNV76-powered machines, including mini excavators for landscaping and groundworks, skid steer loaders for site handling, and generator sets for standby or prime power. Ideal when rectifying symptoms such as compression loss, coolant or oil cross-contamination, external seepage, or after head skimming and valve work.
Also known as:
Cylinder head gasket, top-end gasket, head joint, engine head seal, combustion chamber gasket, top gasket, head plate gasket, combustion seal, cylinder head seal.
Fits Models:
3TNV76
Product Specifications
| L&S Part No. | 080 685 |
|---|---|
| Unit of Sale | 1 |
| Size | Bore Diameter: 76mm |
| Applications | 3TNV76 |
| Machine Type | Excavators, Loaders, Generators |
| Fits Brands | Yanmar |
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