8-Pc Pressure Washer Adapter Set – M22 14mm Quick Connect Kit

8-Piece Stainless Steel Pressure Washer Quick Connect Adapter Kit

Upgrade your pressure washing setup with this professional-grade 8-piece M22 14mm Quick Connect Adapter Kit. Engineered from high-quality stainless steel, this kit makes swapping hoses, guns, and accessories fast, simple, and completely leak-free — no more wrestling with stubborn threaded fittings.

Made in Mainland China.

What's in the Box?

• 4 x Quick Connector Coupler — M22 14mm plug + 3/8" plug
• 4 x Quick Connector Coupler — 3/8" quick disconnect socket + M22 14mm male connector

Note: Inside diameter is 14mm (not 15mm). Please verify your fittings before ordering.

Key Features

• Premium Stainless Steel Construction: More corrosion-resistant and durable than standard brass fittings — built to last through heavy-duty use in all weather conditions.
• Rated Up to 5,000 PSI: Handles the working pressure demands of most residential and commercial pressure washers with ease.
• Easy M22 to 3/8" Conversion: Quickly converts M22 threaded fittings to 3/8" quick-connect couplings, making your pressure washer more versatile and efficient.
• Universal Compatibility: Works with a wide variety of spray guns, hoses, and pumps for fast, tool-free connection and disconnection.
• Leak-Free Seal: Precision-machined threads ensure a secure, tight connection every time.

Specifications

• Material: Stainless Steel
• Color: Silver
• Fitting Size: M22 14mm & 3/8" Quick Connect
• Max Working Pressure: 5,000 PSI
• Pieces Included: 8

Who Is This For?

Whether you're a homeowner tackling seasonal cleaning or a professional detailer who needs reliable, interchangeable equipment, this adapter kit streamlines your workflow. Compatible with most popular pressure washer brands and models that use M22 14mm fittings.

For general guidance on safe pressure washer use and tool safety, visit the U.S. Consumer Product Safety Commission (CPSC).

Frequently Asked Questions

Q: What is the inside diameter of the M22 fitting in this adapter kit?

A: The inside diameter of the M22 fitting is 14mm, not 15mm. This is an important distinction — please double-check your pressure washer's fitting size before purchasing to ensure compatibility.

Q: What maximum working pressure can these pressure washer adapters handle?

A: These stainless steel quick connect adapters are rated to withstand working pressures of up to 5,000 PSI, making them suitable for both residential and demanding commercial pressure washing applications.

Q: Are these adapters compatible with all pressure washer brands?

A: This kit offers universal compatibility with most spray guns, hoses, and pumps that use M22 14mm or 3/8" quick-connect fittings. Always verify your specific washer's fitting type before purchasing.

Q: Why choose stainless steel over brass fittings?

A: Stainless steel is more resistant to corrosion, wear, and damage compared to brass, especially when exposed to outdoor elements, detergents, and high-pressure water. This makes the kit a longer-lasting investment for regular use.