Description
Overview:
This Head Gasket is a non-genuine replacement for Yanmar small diesel engines and directly replaces OEM part number 114770-01340. Built from durable, heat-resistant composite materials, it seals the joint between the cylinder head and engine block to maintain compression and prevent leakage of engine oil and combustion gases. Precision cut-outs align with oil galleries and head studs for a dependable fit. Designed for Yanmar L48 engines and compatible with popular equivalents such as 170F and L40AE, it supports reliable running in compact, single-cylinder applications. Suitable for common plant and garden machinery powered by these engines, it helps restore performance after wear or overheating and is a practical choice for routine maintenance or a top-end rebuild. Manufacturer Part Number (MPN): 320 050.
Key Features:
- Non Genuine Part for cost-effective maintenance and repair
- Direct replacement for OEM No. 114770-01340
- Accurate dimensions to suit Yanmar L48-series engines
- Compatible with 170F and L40AE applications
- Heat and pressure resistant for stable sealing under load
- Helps maintain compression and reduce oil/combustion gas leaks
- Clean port and stud-hole alignment for straightforward fitting
- Suitable for routine servicing or full top-end overhauls
- Supports reliable engine starting and consistent power delivery
- MPN: 320 050
Typical Applications:
Used when rebuilding or servicing Yanmar L48-type engines in light construction and garden machinery. Typical examples include plate compactors, generators, water pumps, tillers, and other small plant where a tight head-to-block seal is essential. Ideal after signs of head-gasket failure such as loss of compression, oil contamination, or gas leakage, or as preventative maintenance during engine refreshes.
Also known as:
Cylinder head gasket, head seal, engine head seal, top-end gasket, combustion seal, cylinder gasket, head face gasket. These terms describe the sealing component between the cylinder head and engine block that keeps compression stable and prevents cross-leaks between oil passages and the combustion chamber.
Fits Models:
L48
170F
L40AE
Product Specifications
| L&S Part No. | 320 050 |
|---|---|
| Part Type | Non Genuine Part |
| Unit of Sale | 1 |
| Applications | 170F, L40AE, L48 |
| Machine Type | Engines |
| Fits Brands | Chinese, Yanmar |
| Fits Models | L40AE |

