If you’re seeking reliable dual- or tri-fuel power for your generator, a gasoline to propane conversion kit can expand your fueling options and simplify maintenance. This guide highlights five well-suited kits for common American portable and standby generators, explaining who each product is best for and why it’s a strong pick. Whether you’re prepping for emergencies, camping, or RV life, these kits offer different fuel flexibility, installation considerations, and compatibility. The summary table below helps you compare key points at a glance.
| Product | Best For | Fuel Options | Notes |
|---|---|---|---|
| HIPA 389cc 420cc Tri Dual Generator Carburetor Propane Conversion Kit | All-around compatibility with champion, predator, and generac-type engines | Gasoline, Propane, Natural Gas | 3-position rotary switch; direct replacement for standard choke carburetors |
| Hutch Mountain Generator Propane Conversion Kit for Honda EU2200i | Honda EU2200i users needing reliable dual-fuel for camping or home backup | Gasoline, Propane | Three-fuel practicality; propane’s shelf-stability highlighted |
| Grenergy EU2200i Tri Fuel Conversion Kit | Users who want a ready-to-run tri-fuel kit with minimal adjustments | Gasoline, Propane, Natural Gas | Out-of-the-box tri-fuel; carburetor friendly design |
| Nashfuel Tri-Fuel Conversion Kit for GP5500 Generators | GP5500 and similar gensets needing low-pressure gas integration | Gasoline, Propane, Natural Gas | Venturi design for limited modification; broad compatibility |
| YAMAKATO 389cc 420cc Tri Dual Generator Carburetor Kit | Large displacement engines including Champion, Predator, and Generac types | Gasoline, Propane, Natural Gas | OEM-style mounting; wide cc range coverage |
Note: The right kit depends on your generator model, existing fuel system, and how you prioritize ease of installation, clean transitions between fuels, and long-term maintenance. The products below were selected for broad compatibility and clear application notes suitable for American users seeking flexible backup power options.
HIPA 389cc 420cc Tri Dual Kit
Best for multi-engine compatibility. This kit targets Champion, Predator, Generac, Honda OHV engines within 338cc to 460cc ranges. It converts a standard manual choke carburetor for three fuel options: gasoline, propane, and natural gas. The 3-position rotary switch includes an OFF setting to minimize gas leaks. A manual choke lever aids cold starts in varied weather. This kit is ideal for users who want a single kit to support several generator brands and engine sizes. Limitation: installation accuracy matters; ensure engine match and carburetor mounting alignment to avoid leaks or performance gaps.
Hutch Mountain EU2200i Dual-Fuel Kit
Best for Honda EU2200i owners seeking clean, versatile fuel options. This kit enables propane and gasoline operation with three fuel options overall and is designed for home backup and RV use. It emphasizes cleaner energy due to reduced ethanol gum buildup, and offers compatibility with standard 20/30-lb propane cylinders, plus RV quick-connect hoses. Caution: ensure RV connection compatibility with your setup and that you have a proper hose length for safe operation.
Grenergy EU2200i Tri Fuel Kit
Best for quick-start tri-fuel readiness. The kit arrives preset for propane operation with the goal of avoiding carburetor modification. It supports safe switching among gasoline, propane, and natural gas, making it a strong pick for emergency planning and disaster readiness. A potential limitation is ensuring the kit remains compatible with specific EU2200i variants and maintaining long-term carburetor health with frequent fuel switches.
Nashfuel Tri-Fuel Conversion Kit for GP5500
Best for GP5500 and similar generators needing dual- or tri-fuel options. This kit supports propane, natural gas, and gasoline, featuring a venturi design that enables installation with minimal modification on many generators. It is a pragmatic choice for users who want broader fuel flexibility without major system overhauls. Limitation: check inlet pressure compatibility (9-13.8″ wc) to ensure proper operation with your gas supply.
YAMAKATO 389cc 420cc Tri Dual Kit
Best for broad engine coverage. This kit targets Honda GX and clone engines across 270cc to 459cc, including various Generac, Champion, and Predator models. It enables gasoline to LPG, LNG, and LNG-compatible fueling with included non-asbestos mounting gaskets. If you own a Champion, Generac, or Predator generator with a GX engine and desire wide tri-fuel support, this kit is a robust option. Caution: verify exact cc match and mounting compatibility before purchase to avoid fit issues.
Buying Guide: Key Purchase Considerations
- Engine compatibility: Confirm your generator’s exact model and displacement. Some kits specify 338cc–460cc ranges; others list broader compatibility. The wrong match can hinder performance or cause leaks.
- Fuel options: Decide if you need two-fuel or three-fuel capability. Grenergy and Nashfuel provide broad options, while some kits emphasize propane readiness out of the box.
- Installation complexity: Some kits require minimal carburetor changes, others need more thorough mounting or hoses. If you’re not comfortable with fuel systems, choose kits marketed as “out of the box” or with clear installation guidance.
- Safety features: Look for OFF positions or switches to prevent leaks, and check choke handling for cold starts in adverse weather.
- Fuel availability and storage: Propane offers shelf stability, whereas gasoline storage has different safety considerations. Natural gas requires a connection to a gas line or an on-site supply.
- Warranty and support: Ensure the seller provides adequate support if you encounter fit or fuel flow issues after installation.
FAQ
- What does “tri-fuel” mean for generator kits? It means the kit supports gasoline, propane, and natural gas, allowing you to switch between fuels as needed.
- Do I need professional installation for these kits? It depends on your mechanical comfort and the generator model. Some kits are simple swap-ins; others require more substantial mounting or hose connections.
- Will propane help my generator’s long-term maintenance? Propane can reduce gasoline-related residue and gum buildup, potentially lowering maintenance needs for the carburetor.
- Are these kits compatible with older generators? Compatibility varies by engine and model. Always verify your exact engine displacement and model against the kit’s specifications.
- Can I revert to gasoline after using propane or natural gas? Most kits are designed to allow easy switching back to gasoline with proper reconnection of hoses and carburetor settings.
- Do these kits affect warranty coverage? Some manufacturers may limit warranty if the kit is installed improperly. Check the generator’s warranty policy and the kit’s instructions.