Description
Overview:
This Genuine Yanmar Piston Ring Set is a direct replacement for Yanmar 3TNV series diesel engines, supplied to OEM specification under OEM No. 721450 22500. The ring set restores correct sealing between the piston and cylinder wall to maintain compression, control oil, and reduce blow‐by. Manufactured from wear‐resistant ring materials for diesel service, it supports reliable starting, steady power output, and lower oil consumption over long hours. Designed for construction and garden machinery using 3TNV engines, it suits routine overhauls and preventative maintenance. Precision sizing and correct ring profiles help ensure a consistent fit when installed to the manufacturer's specifications, helping protect cylinders and pistons from premature wear while keeping your machine dependable on site or in the workshop.
Key Features:
- Genuine Yanmar part for assured compatibility and quality
- OEM No. 721450 22500 for accurate identification during replacement
- Engineered to restore compression and minimise blow‐by
- Helps reduce oil consumption and exhaust smoke when fitted correctly
- Durable ring materials for long service life in diesel applications
- Consistent fit for Yanmar 3TNV engines to reduce setup time
- Supports stable power, fuel efficiency, and clean running
- Suitable for routine rebuilds or targeted cylinder repairs
Typical Applications:
Used during engine rebuilds, mid‐life refreshes, or when diagnosing low compression or rising oil use in Yanmar 3TNV engines. Common across mini excavators, site dumpers, compact tractors, mowers, generators, pumps, and compressors powered by Yanmar 3TNV units, helping keep equipment reliable for daily site work, landscaping, estate maintenance, and plant hire fleets.
Also known as:
Piston ring kit, ring pack, engine ring set, compression rings, oil control rings, cylinder rings, rebuild ring set for Yanmar diesel engines, replacement ring set for 3TNV series.
Fits Models:
3TNV
Product Specifications
| L&S Part No. | 721450 22500 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Yanmar |
| OEM No. | 721450-22500 |
| Unit of Sale | 1 |
| Machine Type | Excavators |
| Fits Brands | Yanmar |
| Key Features | - Genuine Yanmar part ensures compatibility with 3TNV engines - OEM No. 721450 22500 for precise replacement - Restores compression, reducing blow-by and oil consumption - Durable materials for long service life in diesel engines - Suitable for engine rebuilds and preventative maintenance |
