Description
Overview:
The Pump Shim Fits Honda WB20XT - 78122-YB3-000 is a genuine Honda metal shim used to set and maintain precise pump alignment and clearances. It is a flat, ring-shaped component that helps keep the impeller and pump housing correctly spaced on Honda water pumps, supporting smooth running and consistent performance. Designed specifically for the Honda WB20XT, this OEM shim helps reduce vibration, noise and premature wear on seals, bearings and the impeller by keeping axial and end-play tolerances within specification. Identified by Honda part numbers 78122-YB3-000 and 78122YB3000, it is suitable for tradespeople and DIY users maintaining site and garden water pumps. A straightforward replacement during servicing or rebuilds, it restores factory fit and reliability on the WB20XT.
Key Features:
- Genuine Honda part for assured fit and compatibility on WB20XT
- OEM numbers: 78122-YB3-000, 78122YB3000
- Durable metal construction for long service life in wet and abrasive environments
- Maintains correct pump alignment and working clearances for reliable performance
- Helps prevent uneven wear of impeller, seals and bearings
- Consistent thickness for accurate setup during assembly and servicing
- Direct replacement with no modifications required
- Suitable for routine maintenance, repairs and full pump rebuilds
Typical Applications:
Used during pump servicing to set end float and restore correct spacing after replacing impellers, seals or bearings. Helpful when diagnosing vibration, excessive noise or reduced flow caused by misalignment. Suitable for site water transfer, irrigation, landscaping and general garden or construction pumping tasks that use the Honda WB20XT.
Also known as:
Spacer ring, distance ring, alignment shim, packing piece, pump shim ring, pump spacer ring.
Fits Models:
WB20XT
Alternate Part Numbers:
78122-YB3-000, 78122YB3000
Product Specifications
| L&S Part No. | 78122 YB3 000 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Honda |
| OEM No. | 78122YB3000 |
| Unit of Sale | Each |
| Applications | WB20XT |
| Machine Type | Pumps |
| Fits Brands | Honda |
| Fits Models | WB20XT |
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