Description
Overview:
The Inlet Flange is a Genuine Honda part for small petrol water pumps. Built from robust cast aluminium alloy, it provides a secure, sealed connection at the pump's suction side, helping to maintain prime and prevent leaks. Its precise geometry supports correct alignment of mating components and reliable sealing under vibration and heavy use. This OEM component is designed for direct replacement on popular Honda pumps used in construction, agriculture and landscaping, including the WB20T and WH20X. Manufactured to Honda's specifications, it ensures consistent fit, long service life and dependable performance. For easy identification, this part corresponds to Honda part number 78103-YB3-000 (MPN 78103YB3000). As a Genuine Honda component, it integrates seamlessly with the original pump assembly and supports factory performance.
Key Features:
- Genuine Honda OEM part for assured compatibility and reliability
- Durable cast aluminium alloy resists corrosion and impact in wet, gritty environments
- Precision-made sealing faces help prevent air ingress and water leaks
- Direct-fit replacement; designed to align with original Honda pump housings
- Helps maintain correct flow and pressure by restoring a sound suction connection
- Stable under vibration; supports long service life in frequent start/stop use
- Suitable for a wide range of Honda 2-series pumps listed below for easy fleet maintenance
- Clearly marked with the correct Honda reference (78103-YB3-000 / 78103YB3000) for accurate identification
Typical Applications:
Used during pump repairs or overhauls when the original inlet flange is cracked, worn, pitted or leaking. Common on site dewatering, emergency water transfer, irrigation, and washdown pumps operating on building sites, farms, and landscaping projects. Ideal when restoring prime issues caused by air leaks at the suction port or after impact damage to the front end of the pump.
Also known as:
Sometimes referred to as an intake flange, connection flange, fitting flange, suction flange, pump intake adaptor, suction port flange, or inlet adaptor. These terms describe the same component that joins and seals the suction side of the pump to its mating parts and hose fittings.
Fits Models:
WB20T, WB20XK1, WBK20T, WBK20TK1, WD20X, WD20XK1, WH20X, WH20XK1, WH20XK2, WZ20, WZ20K1
Alternate Part Numbers:
78103YB3000
Product Specifications
| L&S Part No. | 78103 YB3 000 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Honda |
| OEM No. | 78103-YB3-000 |
| Unit of Sale | 1 |
| Machine Type | Pumps |
| Fits Brands | Honda |
| Key Features | - Genuine Honda OEM part ensures compatibility and reliability - Cast aluminium alloy resists corrosion and impact - Precision sealing faces prevent air ingress and leaks - Direct-fit replacement for Honda 2-series pumps - Suitable for WB20T, WH20X, and more models |

