Products Description
Lawn Mower Fuel Shut-Off Valve – Replacement for Honda GCV135, GCV160 & Compatible Engines
Direct Fuel Flow Control Component for Honda Small Engines
The fuel shut-off valve is an essential component of the fuel system on Honda GCV135, GCV160, and compatible small engines, commonly found in lawn mowers, pressure washers, and other outdoor power equipment. This valve (also called a fuel tap or petcock) controls the flow of fuel from the tank to the carburetor, allowing operators to shut off fuel for storage, transport, or maintenance. Replaces OEM part number 16950-ZG9-M02 and is compatible with Honda GCV135, GCV160, GCV190, and GXV50 engines. Available in genuine OEM and quality aftermarket options, this replacement restores reliable fuel control and prevents leaks caused by worn or damaged valves.


Technical Profiles & Materials
OEM-Spec Replacement Fitment – Directly replaces Honda part number 16950-ZG9-M02, also compatible with 16950-ZM0-003 and 16956-ZM0-000. Fits Honda GCV135, GCV160, GCV190, GSV190, and GXV50 engines.
Precise Fuel Flow Control – The valve lever provides simple ON/OFF fuel control, allowing the operator to shut off fuel flow for safe storage, transport, and maintenance. The ON position allows fuel flow to the carburetor for normal operation, while the OFF position stops fuel flow to prevent flooding and fuel leaks.
Durable Material Options – Available in high-quality plastic or POM (polyoxymethylene) with FKM fluoroelastomer seals, providing excellent resistance to ethanol-blended fuels (E10 compatible) and a wide operating temperature range from -30°C to +80°C. Some high-quality aftermarket options feature Japanese-sourced materials for enhanced durability and longevity.
Standard Connection Dimensions – Features a 7mm outer diameter fuel hose fitting, with a fixing hole diameter of approximately 8mm. The valve measures approximately 61mm in overall height and 34mm in overall width. Compatible with 1/4″ ID fuel lines.
Reliable Performance – Designed to provide consistent fuel flow and effective shut-off, preventing fuel leaks and carburetor flooding during storage. High-quality valves have been lab-tested to over 10,000 start-stop cycles with zero leakage failure. The valve's robust construction ensures long service life.
Easy Installation – Simple replacement requiring basic hand tools. The valve connects directly to the fuel line and is typically mounted on the fuel tank or fuel line bracket. Many aftermarket options are designed as direct replacements without modification.
Technical Specifications
| # | Parameter | Specification |
|---|---|---|
| 1 | OEM Part No. | 16950-ZG9-M02 |
| 2 | Alternate OEM Part No. | 16950-ZM0-003, 16956-ZM0-000 |
| 3 | Engine Compatibility | GCV135, GCV160, GCV190, GSV190, GXV50 |
| 4 | Material | Plastic / POM (engineering polymer) with FKM seals |
| 5 | Fuel Hose Fitting Diameter | 7mm (also fits 1/4″ ID fuel lines) |
| 6 | Fixing Hole Diameter | Approx. 8mm |
| 7 | Overall Height | Approx. 61mm |
| 8 | Operating Temperature | -30°C to +80°C (high-quality aftermarket options) |
| 9 | Fuel Compatibility | Petrol, E10 ethanol-blended fuel compatible |
| 10 | Certifications | ROHS, REACH compliant (quality aftermarket options) |
Products Application

Lawn Mower Fuel System Restoration
Direct replacement when the original fuel valve becomes stiff, leaks, or fails to shut off fuel flow completely. Symptoms include fuel leakage from the valve area, difficulty starting, or the engine flooding during storage. This replacement restores proper fuel flow control and prevents fuel leaks.

Honda GCV135 & GCV160 Engine Maintenance
Suitable for Honda GCV135 and GCV160 engines used in walk-behind mowers, pressure washers, generators, and other outdoor power equipment. The valve is a standard fuel system component that should be inspected and replaced if worn or damaged.

Winter Storage & Transport
The fuel shut-off valve allows operators to turn off fuel flow before storing equipment for extended periods, preventing carburetor flooding and fuel system gumming. This is particularly important for seasonal equipment like lawn mowers and snow blowers.
Quality and Craftsmanship Details



Products Package

About Us
As a premier garden machinery parts supplier, Jiaxing Norsun Trading Co., Ltd. bridges global distributors with over 100 vetted China manufacturers. We streamline your B2B supply chain through strict quality control, flexible production, and factory-direct wholesale pricing. Partner with us for reliable, high-volume sourcing of precision-engineered outdoor power equipment components.
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FAQ
Q: How do I confirm this fuel shut-off valve fits my engine?
A:Check your engine model number on the identification plate. This valve fits Honda GCV135, GCV160, GCV190, GSV190, and GXV50 engines. It replaces OEM part numbers 16950-ZG9-M02, 16950-ZM0-003, and 16956-ZM0-000.
Q: What are the symptoms that indicate the fuel valve needs replacing?
A: Common symptoms include fuel leakage from the valve area, difficulty starting the engine, the engine flooding during storage, or the valve lever being stiff or stuck. The valve may also fail to fully shut off fuel flow, causing fuel to leak into the carburetor when the equipment is not in use.
Q: Can I use an aftermarket fuel valve instead of the genuine Honda part?
A: Yes, quality aftermarket options are available that provide the same functionality and performance as the original part. High-quality aftermarket valves feature premium materials such as Japanese Polyplastics® POM and FKM seals, offering excellent resistance to ethanol-blended fuels and a wide operating temperature range (-30°C to 80°C). For guaranteed fitment, genuine Honda parts are recommended for professional use.
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