Description
Overview:
This Volute Casing is a Genuine Honda part for GX200T2 and GX200U engines, supplied under OEM number 78107-YB4-020. It forms the main housing around the impeller in engine-driven pumps, directing water flow efficiently and protecting internal components. Built from robust metal with a durable finish, it is designed to replace cracked, worn, or corroded casings and restore reliable performance. Precision fitment supports correct alignment and sealing, helping to reduce leaks and maintain pressure. Commonly found on Honda water pumps and other equipment powered by GX-series engines used on construction sites and in garden or agricultural settings, it is a straightforward, direct-fit replacement that keeps machinery working as intended.
Key Features:
- Genuine Honda part - OEM 78107-YB4-020 for assured compatibility and quality
- Designed for GX200T2 and GX200U; used across a wide range of Honda equipment
- Robust metal construction for impact and wear resistance in demanding conditions
- Precision-machined interfaces help maintain correct pump alignment and sealing
- Restores flow efficiency and operating pressure when the original casing is damaged
- Direct-fit replacement using standard fasteners; typically no modifications required
- Corrosion-resistant finish suited to wet and gritty environments
- Supports smooth, dependable operation for site, farm, and garden tasks
Typical Applications:
Used as the main pump body on engine-driven water pumps and compatible machinery powered by Honda GX engines. Typical jobs include site dewatering, flood control, irrigation, landscaping, and general water transfer. Suitable for maintaining reliable performance on construction equipment and garden machinery where consistent flow and pressure are required.
Also known as:
Volute housing, pump body, pump volute, impeller housing, pump shell, scroll casing, pump cover, engine cover, pump casing, pump housing. These terms are often used interchangeably for the component that encloses the impeller and directs fluid within an engine-driven pump assembly.
Fits Models:
E1500K4, E2500K4, E3500K1, E3500K2, E4500, E4500K1, EB12D, EB2200X, EB2500XK1, EB3000, EB3500X, EB3500XK1, EB4000, EB5000X, EB5000XK1, EG1000, EG1400X, EG1400XK1, EG1400Z, EG1500K4, EG2200X, EG2200Z, EG2500XK1, EG3500X, EG3500XK1, EG5000X, EG5000XK1, EG650, EL5000, EM1600, EM1600X, EM1800, EM1800X, EM1800XK1, EM2200, EM2200X, EM2500XK1, EM3000, EM3500SX, EM3500SXK1, EM3500X, EM4000, EM500, EM5000SX, EM5000SXK1, EM5000X, EM500K1, EM600, EM650, EMS4000, EMS4500, EN5000, ES3500K1, ES3500K2, ES4500, ES4500K1, ES6500, ES6500K1, ES6500K2, EV4000, EV4010, EV6010, EVD4010, EW140, EW170, EW171, EW171K1, EX1000, EX2200, EX3300S, EX3300SK1, EX350, EX4500S, EX4500SK1, EX5500, EX5500K1, EX5500K2, EX650, EXW171S, EZ1400, F200, F210, F210K1, F400K1, F401, F401K1, F500, F501, F501K1, F501K2, FR500, FR500K1, FR600, FR650, FR700, FR700K1, FR750, FR800, GX120K1, GX200RT2, GX200T2, GX200U, GX360K1, GX390K1, GX390R2, H3011, H3011H, H3013H, H4013, H4514H, H4518H, H5013, H5518, H6522, HR17, HR194, HR21-5, HR214, HR215, HR216, HR21K2, HRA21, HRA214, HS35, HS521, HS521K1, HS522, HS55, HS55K1, HS55K2, HS621, HS622, HS624K1, HS828, HS828K1, HT-R3009, HT-R3009K1, HT-R3811, HT3810, HT3810K1, HT3810K2, HT3813, HT3813K1, HT4213, HTR3009, HTR3811, RT5000, WA15, WA20K1, WA20X, WA30, WA30X, WB15, WB20X, WB20XK1, WB30X, WB30XK1, WD20X, WD20XK1, WD30X, WD30XK1, WDP20X, WDP20XT, WDP30X, WDP30XT, WP20X, WP30X
Product Specifications
| L&S Part No. | 78107 YB4 020 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Honda |
| OEM No. | 78107YB4020 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | Honda |
| Key Features | - Genuine Honda part for GX200T2 and GX200U engines - Robust metal construction for impact resistance - Precision fitment reduces leaks and maintains pressure - Corrosion-resistant finish for wet environments - Direct-fit replacement with standard fasteners |
| Fits Models | GX200T2 (GCBUT) | GX360K1 (GA01) |

