JJing Fuel Tank for Honda GX Series Engines — Direct-Fit Replacement Kit for GX240/GX270/GX340/GX390/GX420 with Hardware

JJing’s replacement fuel tank is a direct-fit aftermarket gas tank kit engineered to replace Honda GX240/GX270/GX340/GX390/GX420 and compatible Predator/Champion engines for go-karts, pressure washers, pumps and small power equipment.

If your engine’s original tank is cracked, leaking, or corroded, this JJing fuel tank kit supplies a full replacement with the tank, mounting hardware, fuel line and gaskets for a straightforward swap. Designed to match the fit and mounting points of common Honda GX-series tanks and widely used on production equipment, it offers a practical repair option without modifying the frame or carburetor. The kit targets 8–16 hp engines and a range of popular small engines, including Harbor Freight Predator and Champion equivalents.

Will this tank fit my Honda or Predator engine?

The JJing tank is built to replace multiple Honda OEM part numbers and fit GX240, GX270, GX340, GX390 and GX420 mounting patterns. It also fits many Harbor Freight Predator and Champion engines that share the same fuel-tank geometry. Always compare mounting hole locations and fuel outlet positions to your current tank before purchasing.

• Compatible with Honda part numbers like 17510-ZE2-010ZA and related variants.
• Fits 8.0–16.0 hp class engines commonly labeled 240cc–439cc.
• Suitable for Predator 420, Champion 240/270/389/420/439cc models used in go-karts and equipment.

What comes in the kit and what do I need for installation?

The JJing kit includes the fuel tank plus an assortment of installation components so you can perform the replacement in one visit. The package is prepared to reduce trips to the parts store and to speed up refit and maintenance tasks. Basic hand tools are typically all that’s needed for installation.

• Fuel tank, mounting bolts and nuts included.
• Fuel line, clips, fuel joint and free gaskets for carburetor and muffler maintenance.
• Installation usually requires standard wrenches and screwdrivers; no welding or fabrication required.

How durable and reliable is this aftermarket fuel tank?

JJing supplies this tank as a robust replacement option used by multiple manufacturers in production applications. The tank is designed to resist common failure modes like cracking and corrosion from regular use, providing an economical alternative to OEM parts. Quality varies across aftermarket options; this kit emphasizes a balance of fit, function and value.

• Constructed to OEM-style dimensions for consistent fitment and sealing.
• Includes gaskets and fittings to minimize leaks and simplify installation.
• Used widely in production, not a flimsy one-off aftermarket piece.

Which machines and jobs can I use this tank for?

This fuel tank is suitable for a broad range of small-engine applications where the Honda GX-series or compatible engines are installed. It’s a practical repair part for hobbyist vehicles, rental equipment, maintenance fleets and DIY power-equipment servicing. Consider the tank for any equipment where the original tank is damaged or aged.

• Go-karts, mini-bikes and recreational off-road machines.
• Pressure washers, water pumps, compressors and small engine-driven tools.
• Commercial or home-use engines listed as GX240/270/340/390/420 and Predator/Champion equivalents.

Who is this for: This replacement tank suits mechanics, DIYers and fleet managers who need a reliable, ready-to-install fuel tank for Honda GX-series and compatible engines without sourcing multiple aftermarket parts. It’s ideal when you want OEM-style fitment, included installation hardware and a single kit that covers the common small-engine fuel-tank service jobs for go-karts, pressure washers, pumps and other power equipment.