Description
Overview:
The Breather for Honda GX110 and GX140 engines is a Genuine Honda OEM part designed to manage crankcase ventilation and stabilise internal engine pressure. Supplied under Manufacturer Part Number 15721-ZE1-010, it helps prevent oil leaks, reduces oil mist, and supports smooth idle and acceleration by allowing controlled vapour flow. Built from oil- and heat-resistant polymer components suitable for small petrol engines, it is a direct replacement that restores correct breather function without modification. Ideal for compact plant and garden machinery powered by Honda GX110 or GX140 units, it maintains reliability in demanding site and outdoor conditions. As a Genuine Part, it offers assured compatibility, consistent fit, and performance that matches Honda's original specifications.
Key Features:
- Genuine Honda OEM component (MPN 15721-ZE1-010) for correct fit and function
- Regulates crankcase pressure to support smooth running and starting
- Helps prevent oil leaks and protects seals and gaskets from overpressure
- Oil- and heat-resistant construction for long service life in harsh environments
- Direct-fit replacement using existing hardware; no modifications required
- Supports clean operation by managing oil vapour and blow-by gases
- Stable performance across typical site temperatures and duty cycles
- Suitable for routine maintenance to restore original ventilation performance
Typical Applications:
For small petrol machinery using Honda GX110 or GX140 engines, including generators, water pumps, pressure washers, plate compactors, tillers, and other light plant. Useful for hire fleets, contractors, groundskeepers, and domestic users who need dependable running and reduced oil misting during continuous or stop-start operation.
Also known as:
Engine vent, breather cap, crankcase breather, crankcase vent valve, vapour outlet valve, ventilation check valve.
Fits Models:
GX110, GX110 DA, GX110 HX, GX110 QA, GX110 QX, GX110 QXA, GX110 TX, GX110 VA, GX110 VH, GX110 VX, GX110DA, GX110HX, GX110QA, GX110QX, GX110QXA, GX110TX, GX110VA, GX110VH, GX110VX, GX140, GX140 HX, GX140 LX, GX140 QX, GX140 QXA, GX140 QXE, GX140 QXS, GX140 RH, GX140 STP, GX140 STQ, GX140 STR, GX140 TX, GX140HX, GX140LX, GX140QX, GX140QXA, GX140QXE, GX140QXS, GX140RH, GX140STP, GX140STQ, GX140STR, GX140TX
Alternate Part Numbers:
15721-ZE1-010, 15721ZE1010
Product Specifications
| L&S Part No. | 15721 ZE1 010 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Honda |
| OEM No. | 15721ZE1010 |
| Unit of Sale | 1 |
| Fits Brands | Honda |
| Key Features | - Genuine Honda OEM part for GX110 and GX140 engines - Regulates crankcase pressure for smooth engine operation - Oil- and heat-resistant polymer construction - Direct-fit replacement; no modifications needed - Suitable for generators, pumps, and compactors |
| Fits Models | GX110 | GX140 |

