Description
Overview:
This washer is a genuine Honda OEM sealing component for the Honda WB20XT petrol water pump (OEM No. 78313 YB3 000). Manufactured from durable metal for long service life, it provides a tight, reliable seal at critical joints within the pump assembly to help prevent leaks and maintain correct operating pressure. Its precise thickness and inner/outer diameters match the original specification, ensuring a correct fit without modification. Designed specifically for the WB20XT, it supports efficient pump performance during routine operation and after strip-downs or repairs. Suitable for general water transfer tasks, this washer is an ideal replacement when refurbishing the pump, curing weeping joints, or completing scheduled maintenance using genuine parts to retain reliability and performance.
Key Features:
- Genuine Honda OEM part for assured compatibility and fit
- Metal sealing washer engineered for leak prevention in the pump assembly
- Matches original dimensions for straightforward replacement
- Resistant to corrosion in freshwater use for dependable sealing
- Helps maintain pump efficiency and pressure by preventing fluid bypass
- Stable under clamping loads; maintains seal after repeated temperature cycles
- Quick to fit with basic hand tools; no modifications required
- Supports long-term reliability when servicing or rebuilding the WB20XT
Typical Applications:
Used during pump servicing and repairs on the Honda WB20XT to seal joints such as casings, covers, or fittings where a flat sealing washer is specified. Ideal when addressing leaks, reassembling after impeller or seal replacement, or as a preventive renewal during routine maintenance in construction, agriculture, landscaping, and site drainage tasks.
Also known as:
Sealing washer, crush washer, flat washer, gasket washer, pump sealing ring, water pump washer, sealing ring for pump fittings.
Fits Models:
WB20XT
Alternate Part Numbers:
78313-YB3-000, 78313YB3000, HN78313YB3000
Product Specifications
| L&S Part No. | 78313 YB3 000 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Honda |
| OEM No. | 78313YB3000 |
| Unit of Sale | 1 |
| Machine Type | Pumps |
| Fits Brands | Honda |
| Key Features | - Genuine Honda OEM part for WB20XT water pump - Metal washer prevents leaks in pump assembly - Matches original dimensions for easy replacement - Corrosion-resistant for freshwater applications - Maintains pump efficiency by preventing fluid bypass |
| Fits Models | WB20XT |

