Dual/Tri-Fuel Carburetor Conversion Kit for Honda GX340 GX390 & 188F/190F Engines – LPG/CNG/Propane Generator Upgrade for 5-8KW Generators

Price: $29.99
(as of Feb 12, 2026 20:15:31 UTC – Details)

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Replacement for Honda GX340 GX390 GX420 188F 11HP 13HP 15HP 4.5KW-6.5KW Gasoline Generator; GX420 motor 15HP GX340 11HP Engine 4.5kw-6kw.
Fits Generac: GP5000, GP5500, GP8000E, XT8000E, WGEN5500, Works on Firman: P05700-P05706, P06701 series, Compatible with All Power: APGG6000-APGG10000 models.
Dual fuel carburetor for gasoline generator, LPG&CNG conversion. Output: 4.5-6.5KW; Generator type: GX390 188F portable gasoline. Consumption liquefied gas 0.24 L/KW.
Attention: The gas has to be pressure regulated natural gas(shortened as PNG or CNG) should be between .29 or .37 psi and LPG need to be .40 or .55 psi; natural gas generally has a regulator before entering the building. For LP gas a regulator has to be installed on the tank.
Saving operating costs: LPG/ NG/biogas used for the generator can be fully burned, thermal efficiency is high. Economic cost comparison: for the cost of 1 kilowatt hour, NG is 1/5 of gasoline, LPG is 1/2 of gasoline.
Plus, running on LPG or handy gas extends the working life of your generator, offers smoother operation and prevents the build-up of sediment deposits which can damage the engine.