YAMAKATO GX390 Air Filter Assembly for Honda GX270/GX340/GX390/GX240 — Housing Cover, Gasket & Spare AF ZE30 Element

The YAMAKATO GX390 Air Filter with Housing Cover is a direct-fit replacement assembly for Honda GX-series engines and compatible clones, supplied with a gasket and an extra AF ZE30 filter element.

If you maintain pressure washers, snow blowers, mini bikes, trash pumps or other small engines built on the Honda GX platform, this YAMAKATO kit gives you the housing cover, sealing gasket and a spare air filter element to restore proper air filtration and fitment. Its design matches common GX270/GX340/GX390/GX240 mounting points, making it a convenient repair part for worn or damaged OEM components.

Will this air filter assembly fit my Honda GX270, GX340 or GX390 clone engine?

This YAMAKATO assembly is intended for Honda GX-series and compatible clone engines that use the listed OEM part numbers and AF ZE30 filter type. Verify fit by comparing shape, mounting hole locations and overall dimensions to your existing housing before ordering.

• Fits models commonly listed as GX270, GX340, GX390 and GX240 clones.
• Compatible with OEM references like 17231‑ZH9‑820, 17235‑Z52‑820, 17230‑Z53‑841 and 17410‑ZE2‑020.
• Includes a gasket to ensure a proper seal during installation.
• Does not include a fuel tank breather—check your current part for that feature.

How easy is installation and what tools will I need?

Installation is straightforward for anyone comfortable with basic engine maintenance. You remove the old cover and filter, clean the mounting surface, set the new gasket and secure the YAMAKATO housing in place. No specialized tools are required beyond common hand tools.

• Typical tools: screwdriver or socket set to match housing fasteners.
• Prep steps: clean mating surface and check for damaged studs or threads.
• Supplied parts: housing cover, gasket and an additional AF ZE30 filter element.
• Recommended: compare images and part numbers prior to purchase for correct fit.

What performance and maintenance benefits does this replacement offer?

Replacing a cracked or clogged air filter housing restores correct airflow routing and helps protect the engine from debris. The included spare AF ZE30 element gives you an immediate replacement and a backup for your next service interval, reducing downtime for outdoor equipment and small engines.

• Restores secure filter sealing to prevent unfiltered air intake.
• Extends engine life by keeping dust and particles out of the carburetor and cylinders.
• Spare element included for faster next-service replacement.
• Compatible with a wide range of GX clone applications (pressure washers, snow blowers, etc.).

Are there any limitations or things to verify before buying?

While the YAMAKATO assembly fits many GX clones, variations exist between engines and some units include features like a fuel tank breather that this kit does not provide. Always inspect your current assembly and compare mounting patterns, hose ports and dimensions to the photos and part numbers.

• Does not include fuel tank breather—confirm your engine’s requirements.
• Compare the product images to your existing part for mounting hole alignment.
• Designed for multiple displacements (301–439cc on various clone listings) but check fit first.
• Intended for aftermarket replacement; minor modifications on some clones may be necessary.

Who is this for: The YAMAKATO GX390 Air Filter with Housing Cover is ideal for DIY mechanics, equipment rental shops and small-engine technicians who need a reliable, affordable replacement for worn or damaged Honda GX-series air filter assemblies on pressure washers, snow blowers, mini bikes, trash pumps and other similar machines. If you want a complete housing, gasket and an extra AF ZE30 filter element in one kit, this assembly is a practical choice—just verify compatibility with your specific engine model before purchasing.