EARLEAS Pressure Washer Quick Connect Kit — 9-Piece Stainless Steel M22 to 3/8"/3/4" Adapters, 5000 PSI Durable Corrosion-Resistan

EARLEAS Pressure Washer Quick Connect Kit is a 9-piece stainless steel adapter set that converts M22-14mm (and many M22-15mm) threaded fittings to 3/8" high-pressure and 3/4" garden-hose quick-connects for fast, durable hookups up to 5000 PSI.

This kit simplifies swapping between threaded and quick-disconnect connections on many gas and electric pressure washers. It’s designed to help you move from slow threaded fittings to fast-release couplers for the pump, hose, gun and water inlet, while using stainless steel components built to resist corrosion in demanding outdoor environments. Before installation, confirm your machine’s thread size (M22-14mm or M22-15mm) and follow safe depressurization procedures.

How does this kit speed up setup and breakdown?

The quick-connect fittings replace time-consuming threaded joints with push-and-lock couplers, cutting connection steps and reducing cross-threading risk. Swapping tools or stowing the machine becomes a matter of seconds rather than minutes.

• 3/8" quick connects for high-pressure pump, hose and gun hookups.
• 1/2" quick connects for the low-pressure garden-hose inlet side.
• Included plugs and couplers let you convert multiple points at once.
• One-piece push-to-lock action for faster attachment and detachment.

Which parts are included and what do they fit?

The set contains nine pieces targeted at common pressure-washer junctions so you can convert both water supply and high-pressure lines. It includes both M22-14mm swivels and a single M22-15mm adapter to increase compatibility across many models.

• 2 M22-14mm swivel bodies with 3/8" plugs for high-pressure fittings.
• 2 3/8" quick-connect couplers paired with M22-14mm male threads.
• 2 3/4" garden-hose female adapters and 2 1/2" quick-connect plugs for low-pressure inlet connections.
• 1 M22-15mm adapter to help fit certain gas and electric pressure washers.

Is the material and pressure rating suitable for professional use?

All fittings are machined from stainless steel to resist rust and wear, and the kit is rated to withstand washing operations up to 5000 PSI. That makes it appropriate for heavy residential tasks and many professional cleaning scenarios where reliability matters.

• Stainless steel construction for corrosion resistance and longevity.
• 5000 PSI rating for demanding cleaning applications.
• Durable O-ring seals compatible with typical pressure-washer fluids.
• Swivel designs reduce hose twisting under load.

What safety checks and installation tips should I follow?

Match thread sizes and use each quick-connect only on the recommended side (1/2" for low-pressure, 3/8" for high-pressure). Always fully depressurize and drain the system before swapping fittings, and perform a pull-test after connecting to ensure the coupler sleeve has locked.

• Confirm M22-14mm or M22-15mm thread size before fitting.
• Seat the correct O-ring or gasket to prevent leaks.
• Fully insert plugs, release the sleeve, then pull-test the connection.
• If leakage occurs, shut down, depressurize and inspect seals or mating threads.

Who is this for: This kit is aimed at homeowners, mobile detailers and professional cleaners who want quicker tool changes and reduced wear on threaded connections. It's useful for anyone upgrading older threaded-pressure-washer fittings to modern quick-connects, for service fleets that need durable, corrosion-resistant adapters, or for DIYers who want faster setup without replacing whole hoses or guns. Verify your machine’s thread size and follow safe depressurization practices before installation.