Description
Overview:
This spring washer is a genuine Yanmar part designed to maintain clamp load on bolted joints in high-vibration machinery. Identified by manufacturer part number 22217-120000, it is intended for Yanmar diesel engines used in construction and garden equipment, including the Yanmar 3TNE68 and machines such as the Takeuchi TB014 that use Yanmar powerplants. The washer provides elastic tension under the fastener head or nut, helping to resist loosening caused by vibration and thermal cycling. Manufactured from durable, wear-resistant steel with a split profile, it is suitable for repeated tightening during routine maintenance. Built to Yanmar specifications for fit and reliability, it supports long service intervals and consistent fastening performance across engine and ancillary component assemblies.
Key Features:
- Genuine Yanmar part for assured compatibility and fit with specified engines
- Provides sustained spring tension to help prevent bolt or nut back-off
- Robust steel construction for reliability under vibration and load
- Suitable for engine and equipment assemblies where secure fastening is critical
- Consistent performance supports long service life and reduced rework
- Compact split design fits standard fastener stacks without modification
- Supports straightforward installation with common hand tools
- Matches Yanmar specifications for thickness, hardness, and profile
- Ideal for preventive maintenance and fastener replacement during overhauls
Typical Applications:
Used wherever a fastener joint is subject to vibration or thermal cycling on Yanmar-powered equipment. Common around engine brackets, covers, pumps, alternators, mounting frames, and auxiliary components on compact excavators, generators, and machinery using the listed engines. Helps maintain torque between service intervals and improves joint stability.
Also known as:
Lock washer, split washer, split-ring washer, helical spring washer, spring lock washer.
Fits Models:
2TNV66-DMC, 2TNV66-DMIN, 3TNE68, 3TNE82A-ETB, 3TNE82A-EWA, 3TNE88, 3TNV70-STB, 3TNV76-KWA, 4TNE84, 4TNE84T, 4TNE88
Alternate Part Numbers:
22217-120000, 22217120000
Product Specifications
| L&S Part No. | 22217 120000 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Yanmar |
| OEM No. | 22217-120000 |
| Unit of Sale | 1 |
| Machine Type | Excavators |
| Fits Brands | Makita |
| Key Features | - Genuine Yanmar part for specified engine compatibility - Provides sustained tension to prevent fastener loosening - Durable steel construction for vibration resistance - Fits standard fastener stacks without modification - Matches Yanmar specifications for thickness and profile |
| Fits Models | 3TNE68 | 3TNE82A-ETB | 3TNE88 | 3TNE82A-EWA | 4TNE88 | 4TNE84T | 4TNE84 | 3TNV76-KWA | 3TNV70-STB | 2TNV66-DMC | 2TNV66-DMIN | 4TNE88-RBS1 |

