Yanmar E990011007 - Seal Kit - Relief Valve
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A complete seal kit for rebuilding a Yanmar engine hydraulic cylinder, packaged with the soft parts needed for one cylinder. This part number covers the Relief Valve configuration.
Key details
- Typically includes rod seal, piston seal, wiper, O-rings and back-up rings for one cylinder
- Restores a leaking cylinder without replacing the complete assembly
- Kit contents are matched to the bore and rod diameter of the cylinder it serves
- Use only where bore and rod surfaces are free of scoring — otherwise replace the cylinder
Specifications
| Part number | E990011007 |
| Component type | Seal kit |
| Configuration | Relief Valve |
| Part type | OEM-grade aftermarket |
| Fits brand | Yanmar |
| Category | Engine & Earthmoving |
Where it is used
Components of this type are fitted to the hydraulic system 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
Work clean and replace every seal in the kit rather than the leaking seal alone. Lubricate each component with clean hydraulic fluid during assembly.
Fitment & availability
This is an OEM-grade aftermarket replacement manufactured to OE specification. It is cross-referenced to Yanmar part number E990011007 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.