Description
Overview:
This Water Pump Gasket is a sealing component for the Yanmar 3TNV70-STB diesel engine cooling system. It fits between the water pump and the engine mating face to prevent coolant leaks, helping maintain stable operating temperature and system pressure. This is a Genuine OEM replacement part from Yanmar, supplied under OEM No. 119515-42020. The gasket is precision cut to match the original profile and bolt pattern for an accurate, leak-free fit. Constructed as a flat gasket from OEM-spec sheet material, it is designed to perform under thermal cycling and engine vibration. Suitable for machinery powered by the 3TNV70-STB engine, including compact construction, agricultural, and industrial equipment where reliable engine cooling is required. Supplied individually for one pump service.
Key Features:
- Genuine Yanmar OEM replacement gasket
- OEM No.: 119515-42020
- Direct fit for Yanmar 3TNV70-STB engine
- Seals water pump to engine mating surface
- Precision-cut profile with accurate bolt hole alignment
- Designed for engine coolant and antifreeze service
- Performs under heat cycles and engine vibration
- Helps maintain cooling system pressure and flow
- Suitable for ethylene glycol-based coolant formulations
- Flat gasket supplied individually, one per service
- Matches OEM port geometry for correct coolant passage alignment
- Supports reliable refit during water pump maintenance
Typical Applications:
Used on Yanmar 3TNV70-STB engines across compact excavators, generators, mowers, and small plant. Provides the primary static seal between the water pump and engine, preventing coolant loss and air ingress during routine maintenance, pump replacement, or cooling system overhauls.
Also known as:
Water pump housing gasket, coolant pump gasket, pump-to-block gasket, pump mounting gasket, cooling system gasket.
Fits Models:
3TNV70-STB
Alternate Part Numbers:
119515 42020, 119515-42020, 11951542020
Product Specifications
| L&S Part No. | 119515 42020 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Yanmar |
| OEM No. | 119515-42020 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | Yanmar |
| Fits Models | 3TNV70-STB |
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