If you’re looking to convert your generator to run on natural gas, choosing the right conversion kit is key. The best overall pick offers reliable performance and easy installation, like the NashFuel Generator Conversion Kit. The EU2200i Propane, Natural Gas & Gasoline Tri Fuel Conversion Kit stands out for versatility, allowing multiple fuel options. On the other hand, some kits may be limited in compatibility or require more technical skill, which could be a downside. The main tradeoffs involve balancing cost, ease of installation, and compatibility with your specific generator. Keep reading to explore the top options and find the best fit for your needs.
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Key Takeaways
- The top picks stand out for their broad compatibility and ease of installation, making them suitable for both beginners and experienced users.
- Performance consistency varies; the most reliable kits deliver stable power output without frequent maintenance or adjustments.
- Versatility in fuel options, such as tri-fuel capabilities, adds significant value for users seeking flexibility.
- Higher-priced kits tend to offer better build quality and longer lifespan, but the most budget-friendly options can still meet basic needs.
- Compatibility with popular generator models is a key factor, so verifying fit before purchase is essential.
| NashFuel Generator Conversion Kit – Natural Gas for Champion 100296 | ![]() | Best Overall for Flexibility and Ease of Use | Inlet Pressure: 9-13.8″ wc | Compatibility: Champion 100296 generator | Material: Metal | VIEW ON AMAZON | See Our Full Breakdown |
| Conversion Kit for Petrol Generators 2-5KW for LPG Propane or CNG Methane Gas | ![]() | Best for Small to Mid-Range Generators with Multiple Fuel Options | Power Range: 2-5KW | Compatible Gases: Propane (LPG), Methane (CNG), Gas | Includes: Pressure regulator, Gas carburetor | VIEW ON AMAZON | See Our Full Breakdown |
| Natural Gas Conversion Kit for Generator Model 100155 | ![]() | Best for Budget-Conscious Users with Exact Model Fit | Inlet Pressure: 9-13.8″ wc | Compatibility: Generator Model 100155 | Regulator Type: Impco or aftermarket | VIEW ON AMAZON | See Our Full Breakdown |
| Natural Gas Conversion Kit for Westinghouse WGEN9500DF Generator | ![]() | Best for Westinghouse Owners Wanting Easy Switchability | Compatibility: Westinghouse WGEN9500DF | Inlet Pressure: 9-13.8″ wc | Includes: Natural gas inlet, regulator | VIEW ON AMAZON | See Our Full Breakdown |
| EU2200i Propane, Natural Gas & Gasoline Tri Fuel Conversion Kit for Honda Generator Inverter LPG CNG | ![]() | Best for Honda EU2200i Users Wanting Multi-Fuel Convenience | Fuel Compatibility: Propane, Natural Gas, Gasoline | Kit Includes: Complete conversion components | Run Time: 15-20 hours on BBQ tank | VIEW ON AMAZON | See Our Full Breakdown |
| Natural Gas Conversion Kit Compatible with Duromax XP12000EH Generator | ![]() | Best for Specific Low-Pressure Applications | Product Dimensions: 5 x 5 x 5 inches | Item Weight: 1.83 pounds | Model Number: B0BBRMW3PK_CA | VIEW ON AMAZON | See Our Full Breakdown |
| EU2000i Tri-Fuel Conversion Kit for Honda Generator | ![]() | Best for Versatility and Long Runtime | Wattage: 1800 watts | Fuel Types: Gasoline, Propane, Natural Gas | Runtime: Up to 20 hours | VIEW ON AMAZON | See Our Full Breakdown |
| Natural Gas Conversion Kit for Champion 100592 Generator | ![]() | Best for Dual-Fuel Flexibility on Commercial-Grade Generators | Fuel Type: Natural Gas, Propane | Power Source: Natural gas, propane | Engine Displacement: 418 cc | VIEW ON AMAZON | See Our Full Breakdown |
| Gas Propane Carburetor Conversion Kit for Predator & Harbor Freight 3200/4000W Generator | ![]() | Best for Quick, Reliable Conversion on Popular Portable Models | Compatibility: Predator and Harbor Freight 3200/4000W | Includes: Carburetor assembly, 3 gaskets | Material: High quality | VIEW ON AMAZON | See Our Full Breakdown |
More Details on Our Top Picks
NashFuel Generator Conversion Kit – Natural Gas for Champion 100296
This kit stands out for its ability to convert a Champion 100296 generator to run seamlessly on natural gas, while still allowing quick switching back to gasoline or propane. Unlike the more specialized Natural Gas Conversion Kit for Westinghouse WGEN9500DF, it uses the existing carburetor port, making installation straightforward without permanent modifications. However, it requires an aftermarket regulator and has a narrow inlet pressure range, which could limit compatibility with some setups. This makes it ideal for users who want a versatile, non-permanent solution that can adapt to different fuel sources but are comfortable with additional parts and some technical setup.
Pros:- No permanent modifications needed
- Allows switching between natural gas, gasoline, and propane
- Uses existing carburetor port for easy installation
Cons:- Requires an aftermarket or Impco regulator
- Limited to specific generator model and inlet pressure range
Best for: Homeowners who want a flexible, non-permanent natural gas conversion for a Champion 100296 generator
Not ideal for: Users seeking a fully integrated, permanent natural gas solution for heavy-duty or specific commercial applications
- Inlet Pressure:9-13.8″ wc
- Compatibility:Champion 100296 generator
- Material:Metal
- Size:One Size
- Fuel Types:Natural Gas, Gasoline, Propane
Our verdict“This kit is best suited for owners seeking a versatile and reversible natural gas conversion for their Champion 100296, willing to manage some setup complexity.”
Conversion Kit for Petrol Generators 2-5KW for LPG Propane or CNG Methane Gas
This kit excels for users with 2-5KW petrol generators who want to run them on alternative gases like CNG or LPG, similar to the EU2200i Propane, Natural Gas & Gasoline Tri-Fuel Conversion Kit. It includes a pressure regulator and gas carburetor, supporting tri-fuel operation without sacrificing power output. The performance, however, heavily depends on the generator’s build quality and gas type, and installation requires some technical skill. It’s a good fit for those comfortable with setup and aiming to extend runtime and fuel flexibility, but not for users with larger, more powerful models or those seeking plug-and-play simplicity.
Pros:- Supports multiple fuel types including CNG and LPG
- Includes safety features like a pressure regulator
- Maintains generator power after conversion
Cons:- Performance varies with generator quality and fuel type
- Installation can be complex for inexperienced users
Best for: Owners of small 2-5KW generators wanting versatile, cost-effective fuel options
Not ideal for: Large or commercial-grade generators requiring higher power capacity or more robust conversion systems
- Power Range:2-5KW
- Compatible Gases:Propane (LPG), Methane (CNG), Gas
- Includes:Pressure regulator, Gas carburetor
- Supports:Tri-fuels
Our verdict“Ideal for small generator users seeking fuel flexibility and extended runtime, provided they are comfortable with technical installation.”
Natural Gas Conversion Kit for Generator Model 100155
This kit provides a straightforward way to convert the Generator Model 100155 to natural gas, similar to the Natural Gas Conversion Kit for Champion 100592, but with a focus on non-permanent installation using existing carburetor ports. It requires an inlet pressure of 9-13.8″ wc and a compatible regulator, making it suitable for DIY-inclined owners. Its main tradeoff lies in the need for precise inlet pressure and potential technical challenges during installation, which can be a barrier for less experienced users. It’s best for those who want a cost-effective, reversible natural gas setup for this specific model.
Pros:- Allows conversion without permanent modifications
- Retains ability to switch back to gasoline or propane
- Uses existing carburetor port for easy setup
Cons:- Requires specific inlet pressure of 9-13.8″ wc
- Installation may require technical skills
Best for: Owners of Generator Model 100155 seeking an affordable, reversible natural gas solution
Not ideal for: Users with incompatible inlet pressure or unfamiliar with technical installation processes
- Inlet Pressure:9-13.8″ wc
- Compatibility:Generator Model 100155
- Regulator Type:Impco or aftermarket
- Installation:No permanent modification
Our verdict“Best suited for budget-conscious owners of Model 100155 who are comfortable with basic technical setup and reversible conversions.”
Natural Gas Conversion Kit for Westinghouse WGEN9500DF Generator
This kit is designed specifically for the Westinghouse WGEN9500DF, offering a non-permanent, carburetor-based conversion similar to other models like the Natural Gas Conversion Kit for Champion 100296. It includes an inlet regulator suitable for pressures of 9-13.8″ wc, enabling users to run on natural gas with ease. While it avoids permanent modifications, it does require aftermarket parts and potentially technical knowledge during installation. It’s a good choice for Westinghouse owners who want an easy, reversible conversion option without modifying the main engine components, but it’s less suitable for those needing a high-capacity or permanent setup.
Pros:- No permanent modifications needed
- Easy to switch between fuels
- Uses existing carburetor port
Cons:- Requires aftermarket regulator
- Installation may be technically involved
Best for: Westinghouse WGEN9500DF owners seeking a simple, reversible natural gas conversion
Not ideal for: Owners of other generator brands or those wanting a permanent, integrated natural gas solution
- Compatibility:Westinghouse WGEN9500DF
- Inlet Pressure:9-13.8″ wc
- Includes:Natural gas inlet, regulator
Our verdict“Best for Westinghouse owners wanting a straightforward, reversible natural gas setup without altering their generator’s core components.”
EU2200i Propane, Natural Gas & Gasoline Tri Fuel Conversion Kit for Honda Generator Inverter LPG CNG
This kit transforms the Honda EU2200i into a true tri-fuel generator, supporting propane, natural gas, and gasoline without permanent modifications. Compared to other kits like the Natural Gas Conversion Kit for Champion 100592, it offers the advantage of extended runtime, cleaner combustion, and easy switching, making it ideal for emergencies or long-term use. The setup is straightforward, but it’s limited to the EU2200i model and requires understanding of different fuel types. The main tradeoff is that it’s not compatible with larger or non-Honda models, but for owners of this inverter, it provides unparalleled fuel flexibility and longer engine life.
Pros:- No modifications needed for installation
- Supports three fuel sources
- Extends runtime and engine longevity
Cons:- Limited to Honda EU2200i model
- Requires understanding of multiple fuel types
Best for: Honda EU2200i owners seeking ultimate fuel versatility and longer runtime for emergencies or extended use
Not ideal for: Owners of other generator brands or those needing a permanent, built-in solution for larger models
- Fuel Compatibility:Propane, Natural Gas, Gasoline
- Kit Includes:Complete conversion components
- Run Time:15-20 hours on BBQ tank
- Carburetor Compatibility:No modifications needed
Our verdict“This kit is perfect for Honda EU2200i users who want a flexible, long-lasting, multi-fuel setup with minimal hassle.”
Natural Gas Conversion Kit Compatible with Duromax XP12000EH Generator
This kit stands out for its simplicity and non-permanent installation, making it ideal for owners of the Duromax XP12000EH who want to switch between natural gas and other fuels without extensive modifications. Compared to more versatile options like the EU2000i Tri-Fuel Kit, this product is limited to low-pressure natural gas, but it offers a straightforward setup for that use case. Its compatibility and ease of reversion make it appealing for those who prioritize flexibility without risking permanent changes. The main tradeoff is its restriction to low-pressure natural gas and a specific generator model, which means it won’t suit all setups. If you own the Duromax XP12000EH and need a simple, reversible conversion, this kit provides a reliable and easy solution.
Pros:- Simple installation without permanent modifications
- Reversible, allowing switching between fuels
- Compatible specifically with Duromax XP12000EH
Cons:- Limited to low-pressure natural gas applications
- Requires existing carburetor port for installation
Best for: Owners of the Duromax XP12000EH seeking a non-permanent, straightforward natural gas conversion.
Not ideal for: Users with different generator models or those requiring high-pressure natural gas compatibility.
- Product Dimensions:5 x 5 x 5 inches
- Item Weight:1.83 pounds
- Model Number:B0BBRMW3PK_CA
- Inlet Pressure:9-13.8″wc
Our verdict“This kit is best suited for Duromax owners who want a quick, reversible conversion for low-pressure natural gas use.”
EU2000i Tri-Fuel Conversion Kit for Honda Generator
This comprehensive tri-fuel kit is designed for Honda EU2000i generators, enabling seamless switching among gasoline, propane, and natural gas. It excels for outdoor and emergency use thanks to its ability to run up to 20 hours on a single propane tank, outperforming single-fuel kits in runtime. Unlike the Champion 100592 kit, which is limited to dual-fuel operation, the EU2000i kit offers greater flexibility with minimal modifications—most notably it is set up for propane out of the box. The main tradeoff is its installation complexity, which might challenge less experienced users, and its compatibility is confined to specific Honda models. For those seeking extended runtime and multi-fuel capability in a portable generator, this kit offers a reliable, versatile upgrade.
Pros:- Easily switches between three fuels without modifications
- Long runtime of up to 20 hours on propane
- Pre-set for propane, no carburetor change needed
- Extends engine life with cleaner fuel options
Cons:- Installation can be complex for non-technical users
- Price and availability may vary, potentially higher cost
Best for: Camping, outdoor enthusiasts, and emergency preparedness users with Honda EU2000i generators.
Not ideal for: Owners of incompatible generator models or users seeking a simple, low-cost solution.
- Wattage:1800 watts
- Fuel Types:Gasoline, Propane, Natural Gas
- Runtime:Up to 20 hours
- Engine Type:4 Stroke
- Voltage:120 volts
- Starting Wattage:1800 watts
Our verdict“This kit is ideal for users wanting a flexible, long-duration power solution with minimal fuss on compatible Honda models.”
Natural Gas Conversion Kit for Champion 100592 Generator
This kit offers a solid dual-fuel solution for Champion 100592 generators, using the existing carburetor port for natural gas inlet and allowing quick switching between natural gas and propane. It’s a good choice for commercial settings needing reliable, flexible fuel options, standing out from simpler single-fuel kits like the Predator carburetor conversion. However, it requires additional supply lines and regulators, making installation more involved—especially for DIY users. Its compatibility is limited to the Champion 100592 model, which means it won’t work with other generator brands. If you need a dual-fuel setup for a Champion generator and can handle the installation complexity, this kit provides a versatile, non-permanent upgrade.
Pros:- Allows dual-fuel operation without permanent modifications
- Easy to switch between natural gas and propane
- Uses existing carburetor port for installation
Cons:- Requires additional supply line and regulator setup
- Installation can be complex for beginners
Best for: Commercial operators and serious DIYers with Champion 100592 generators seeking dual-fuel capability.
Not ideal for: Owners of different generator brands or those looking for a simple, plug-and-play solution.
- Fuel Type:Natural Gas, Propane
- Power Source:Natural gas, propane
- Engine Displacement:418 cc
- Total Power Outlets:5
- Frequency:50 hertz
Our verdict“This kit is well-suited for users with Champion 100592 generators who want flexible, dual-fuel operation and are prepared for a more involved setup.”
Gas Propane Carburetor Conversion Kit for Predator & Harbor Freight 3200/4000W Generator
This carburetor conversion kit is a practical choice for owners of Predator or Harbor Freight 3200/4000-watt generators, emphasizing ease of installation and reliable performance. Compared to the more complex dual-fuel kits, this replacement carburetor offers a straightforward swap with minimal tools, making it suitable for DIYers who want a quick upgrade. It’s limited to specific generator models, so compatibility is a key factor to check before purchase. The main tradeoff is that it focuses solely on carburetor replacement rather than multi-fuel capabilities, which might be a downside for those seeking versatility. For users needing a dependable, simple conversion, this kit provides a dependable, no-fuss solution.
Pros:- Easy to install with basic tools
- Reliable performance for generator operation
- Includes necessary gaskets for a secure fit
Cons:- Installation may require tutorial guidance
- Compatibility limited to specific models
Best for: Owners of Predator or Harbor Freight portable generators needing an easy, reliable carburetor conversion.
Not ideal for: Users with incompatible models or those looking for multi-fuel or high-pressure solutions.
- Compatibility:Predator and Harbor Freight 3200/4000W
- Includes:Carburetor assembly, 3 gaskets
- Material:High quality
Our verdict“This kit is best for owners of compatible Predator or Harbor Freight generators who want a simple, effective carburetor replacement.”

How We Picked
These products were selected based on a combination of performance, compatibility, build quality, and user feedback. We prioritized kits that are straightforward to install and maintain, ensuring they suit a variety of generator models and user skill levels. Our ranking also considers value for money, durability, and the availability of fuel options. Products that demonstrated consistent, reliable operation with minimal adjustments earned higher scores, while those requiring extensive modifications or advanced technical knowledge were rated lower. This approach helps buyers identify options that balance quality, ease of use, and cost-effectiveness.Factors to Consider When Choosing Natural Gas Conversion Kit For Generator
Choosing the right natural gas conversion kit involves more than just matching it to your generator. Several factors influence how well a kit will serve your needs, from compatibility to ease of installation. Understanding these considerations helps prevent costly mistakes and ensures you get a reliable, efficient setup.Compatibility With Your Generator
Not all conversion kits fit every generator model. It’s vital to verify the kit’s compatibility with your specific unit, including brand, model number, and power capacity. Installing an incompatible kit can lead to poor performance or even damage your generator. Always double-check the manufacturer’s list of supported models or consult technical support before purchasing.
Ease of Installation
Some kits are designed for DIY installation, while others may require professional help. Look for kits with clear instructions, comprehensive components, and minimal tools needed. Complex setups may offer better performance but could also incur higher installation costs or errors, so assess your skill level honestly before buying.
Fuel Versatility and Options
Tri-fuel kits that support natural gas, propane, and gasoline provide greater flexibility, especially during emergencies when fuel supplies are uncertain. However, these kits are often more expensive and complex to install. Decide whether you need such versatility or if a simpler, dedicated natural gas kit suffices for your usage patterns.
Build Quality and Durability
Durability impacts long-term value; look for kits made from high-quality materials resistant to corrosion and wear. Cheaper kits may save money upfront but could require frequent replacements or repairs. Consider reviews and brand reputation as indicators of longevity and reliability.
Cost and Overall Value
Price varies widely, often reflecting build quality and features. While budget options can be tempting, they may compromise performance or durability. Conversely, investing in a slightly more expensive kit could provide better performance and longer lifespan, resulting in a better overall value over time.
Frequently Asked Questions
Can I install a natural gas conversion kit myself?
Many kits are designed for straightforward installation and can be done by a confident DIYer with basic mechanical skills. However, some models or setups might require specialized tools or knowledge, especially for ensuring proper gas flow and safety. If you’re unsure, consulting a professional can prevent mistakes that could affect performance or safety. Always follow the manufacturer’s instructions carefully to avoid issues down the line.
Will converting my generator to natural gas void the warranty?
It depends on the manufacturer and specific warranty terms. Some brands explicitly restrict modifications like conversions, which could void the warranty. Others may approve certain kits if installed by authorized technicians. Always check your generator’s warranty policy and consult the manufacturer before proceeding with a conversion to avoid invalidating coverage.
Are tri-fuel kits worth the extra cost?
Tri-fuel kits offer the advantage of switching between natural gas, propane, and gasoline, providing flexibility during emergencies or fuel shortages. This versatility can be worth the investment if you value options and want to maximize usability. However, they tend to be more complex to install and maintain, so consider your comfort with technical setups and whether you truly need multiple fuel sources.
How often do I need to perform maintenance on a conversion kit?
Maintenance frequency varies based on usage, kit quality, and environmental conditions. Regular inspections for leaks, corrosion, and proper gas flow are recommended—typically every few months or after heavy use. High-quality kits often require less frequent adjustments. Following manufacturer guidelines will help ensure safe operation and extend the lifespan of both the kit and your generator.
Is natural gas conversion more cost-effective than propane or gasoline?
Natural gas can be cheaper and cleaner-burning compared to gasoline, making it more economical over the long term. However, initial setup costs, including the conversion kit and installation, can be higher. The overall savings depend on your local fuel prices, usage frequency, and whether your generator is compatible with natural gas. Weigh these factors to determine if conversion offers genuine cost benefits in your situation.
Conclusion
For most users seeking a reliable, user-friendly solution, the NashFuel Generator Conversion Kit offers excellent performance and ease of installation. Budget-conscious buyers will find good value with simpler kits like the Conversion Kit for Petrol Generators 2-5KW. Those looking for maximum versatility should consider tri-fuel options such as the EU2200i Propane, Natural Gas & Gasoline Kit. Beginners or those without technical skills should prioritize kits with comprehensive instructions and solid support, while experienced users may choose premium models for long-term durability. Ultimately, your choice depends on your generator model, budget, and specific fuel needs.Fall Picks
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