Yanmar 8009257 - Washer - M14 18 Copper Sealng
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A washer that distributes clamping load and protects the joint face on Yanmar engine assemblies. This part number covers the M14 18 Copper Sealng configuration.
Key details
- Spreads fastener load across the joint face
- Protects softer surfaces from fastener marking
- Outside diameter and thickness are specific to the position
- Fit in the original position — washer stack affects achieved clamp load
Specifications
| Part number | 8009257 |
| Component type | Washer |
| Configuration | M14 18 Copper Sealng |
| Part type | OEM-grade aftermarket |
| Fits brand | Yanmar |
| Category | Engine & Earthmoving |
Where it is used
Components of this type are fitted to the machine on Yanmar engines. This is category-level context, not a fitment list — confirm the part number against your machine's model and serial number before ordering.
Service notes
Replace distorted or dished washers. A collapsed washer means the joint has been overloaded and the fastener itself should be inspected.
Fitment & availability
This is an OEM-grade aftermarket replacement manufactured to OE specification. It is cross-referenced to Yanmar part number 8009257 for identification and is not supplied by the original equipment manufacturer.
Check the part number against your model and serial number before ordering. If this item is not showing as available, use Check Availability and our team will confirm lead time and fitment.