Description
Overview:
This Piston Ring Set for Yanmar L48 is a non-genuine, three-piece replacement designed to restore correct sealing and compression in small diesel engines. Manufactured from wear-resistant materials suited to high-temperature, high-load service, the set includes the top compression ring, second scraper ring, and oil control ring. Together they help maintain cylinder pressure, reduce blow-by, and manage oil on the bore, supporting reliable starting, steady power, and cleaner running. Purpose-built for Yanmar L48 and L40AE engines, it is a direct replacement for OEM No. 714770-22500 and is supplied under MPN 320 017. Ideal for routine overhauls or corrective repairs, this set offers a practical and cost-effective option for keeping compact equipment powered by Yanmar single-cylinder engines operating efficiently.
Key Features:
- Non Genuine Part compatible with Yanmar L48 and L40AE diesel engines
- Complete 3-ring pack: top compression, second scraper, and oil control rings
- Helps restore cylinder compression for easier starts and consistent power
- Wear-resistant construction for long service life under heavy use
- Precision profiles promote stable sealing and reduced blow-by and smoke
- Supports lower oil consumption and better overall engine efficiency
- Direct replacement for OEM No. 714770-22500
- MPN: 320 017 for easy identification and reordering
- Straightforward to install with standard ring-fitting tools and correct honing
- Practical, cost-effective alternative to genuine parts for maintenance and repairs
Typical Applications:
Used during engine overhauls or repairs on compact machinery powered by Yanmar L48-series engines, such as generators, water pumps, plate compactors, pressure washers, and small construction or agricultural equipment. Suitable when addressing symptoms like low compression, hard starting, excess smoke, or high oil consumption, helping extend engine service life and reliability in daily trade, hire, and DIY settings.
Also known as:
Piston rings, ring pack, ring set, engine rings, cylinder rings, compression rings, oil control ring set, top ring, second ring, scraper ring. Common terms used when sourcing replacements to restore sealing between piston and cylinder and to regulate oil on the bore.
Fits Models:
L48, L40AE
Product Specifications
| L&S Part No. | 320 017 |
|---|---|
| Part Type | Non Genuine Part |
| Unit of Sale | 1 |
| Applications | L40AE, L48 |
| Machine Type | Engines |
| Fits Brands | Yanmar |
| Fits Models | L40AE |
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