Description
Overview:
This piston ring set is a non-genuine replacement for Yanmar L40 series diesel engines, including L40 and L40AE. It replaces OEM reference 714250-22503 and is designed to restore cylinder sealing performance in hardworking small plant engines. Manufactured from a durable, wear‐resistant metal alloy suited to high temperatures and friction, the rings help maintain correct compression, control oil, and reduce blow‐by. The set is sized to match OEM groove dimensions for a dependable fit on the piston and reliable sealing against the cylinder wall. It is suitable for routine servicing, overhauls, or repairs where the original rings are worn, broken, or carboned up. Non Genuine Part compatible with Yanmar applications commonly found in generators, pumps, plate compactors, tillers, and other compact machinery.
Key Features:
- Non Genuine Part engineered to replace Yanmar OEM 714250-22503
- Compatible with Yanmar L40 and L40AE single-cylinder diesel engines
- Wear-resistant metal alloy for long service life under heat and load
- Restores compression to improve starting, power, and fuel efficiency
- Helps control oil consumption and reduce exhaust smoke and blow‐by
- Accurate geometry for reliable ring-to-groove and ring-to-bore sealing
- Stable ring tension for consistent performance after running-in
- Direct-fit dimensions for straightforward installation with basic tools
- Suitable for scheduled maintenance or top-end rebuilds to reduce downtime
- Cost-effective alternative to genuine parts while maintaining proper fit
Typical Applications:
Used when an engine shows low compression, hard starting, loss of power, increased oil use, or visible smoke, or during preventative rebuilds. Common on small construction and garden machinery powered by Yanmar L40 series engines, including plate compactors, generators, water pumps, cultivators, and light plant where dependable sealing and efficiency are required on site or in the workshop.
Also known as:
Piston ring pack, piston sealing rings, compression ring set, oil control ring set, scraper rings, top and second rings, cylinder sealing rings, ring kit for diesel small engine, replacement rings for single‐cylinder piston assemblies.
Fits Models:
L40, L40AE
Product Specifications
| L&S Part No. | 714250 22503 |
|---|---|
| Part Type | Non Genuine Part |
| Manufacturer | Yanmar |
| OEM No. | 714250-22503 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | Yanmar |
| Key Features | - Replaces Yanmar OEM reference 714250-22503 - Compatible with Yanmar L40 and L40AE engines - Durable metal alloy for high temperature and friction - Matches OEM groove dimensions for dependable fit - Controls oil and reduces exhaust smoke and blow-by |
| Fits Models | L40AE |
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