Description
Overview:
The Primer Plug O Ring/Seal for Honda WX10 Pump is a genuine Honda component designed to restore and maintain a correct seal at the primer plug on small Honda water pumps. Manufactured from a durable black rubber elastomer, it prevents air and water leaks that can affect priming and flow performance. A proper seal helps the pump build and hold suction, improving reliability and reducing unnecessary wear. This OEM ring is sized and profiled to fit precisely, avoiding guesswork that can come with generic seals. Suitable for Honda compact water pumps, including WX10 and WB10K1 models, and supplied to Honda specification under OEM No. 78118-YB0-004. It is a practical replacement for worn, flattened, or perished seals during routine maintenance or repair.
Key Features:
- Genuine Honda OEM seal for precise fit and reliable performance
- Helps maintain priming by preventing air ingress and water leakage
- Durable rubber elastomer resists wear and compression set
- Supports consistent flow and pressure in everyday pump use
- Simple to install during routine service with basic hand tools
- Correct hardness and profile for the primer plug seat on listed models
- Cost-effective fix for hard-to-prime or leaking pumps
- Suitable for professional, agricultural, and domestic use
Typical Applications:
Replacing the primer plug O-ring on small Honda water pumps used for site dewatering, garden and landscape watering, tank transfer, irrigation support, and emergency water removal. Ideal for restoring performance on portable petrol-driven pumps where air leaks at the primer plug cause poor suction, delayed priming, or visible drips during operation.
Also known as:
Primer cap O-ring, primer plug seal, sealing ring, rubber seal, pump O-ring, primer gasket, primer plug packing, pump seal ring, round section seal, elastomer ring.
Fits Models:
WB10K1, WB20XT, WX10
Alternate Part Numbers:
78118-YB0-003, 78118-YB0-004, 78118 YB0 003, 78118YB0004, 78118YB0003
Product Specifications
| L&S Part No. | 78118 YB0 004 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Honda |
| OEM No. | 78118YB0004 |
| Unit of Sale | 1 |
| Applications | WB10K1, WB20XT, WX10 |
| Machine Type | Pumps |
| Fits Brands | Honda |
| Fits Models | WB20XT |
