The Best Pressure Washer Injectors

Looking for the best Pressure Washer Injectors?

Discover now our comparison of the best Pressure Washer Injectors. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Pressure Washer Injectors are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Pressure Washer Injectors in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

SaleNo. 1

Sooprinse Chemical Injector Kit for High Pressure Washer, 4000 PSI Adjustable Soap Dispenser with a 1/4 Inch Black Soap Nozzle and Teflon Tape, 16 Ft Siphon Hose, 3/8 Inch Quick Connect

❤【Premium Quality】Made of tough brass and stainless steel,resistant to corrosion and fading.
❤【Instructioin Manual】The maximum pressure is 4000 PSI. Flow arrows Marks on the injector and do not install it backwards.
❤【Kit Package】The chemical injector kit includes chemical injector, 16 feet tubing (siphon hose), filter and 1/4 inch quick connect black soap nozzle which connect to your gun or wand.
❤【Scientific Design】The soap dispenser kit is equipped with a screw-in valve that adjusts the dilution ratio of chemicals and water to increase the efficiency of your high pressure washers.
❤【Quality Assurance】Any problem,feel free to contact us.The professional team is always ready to serve you.

No. 2

Raincovo Downstream Injector for Pressure Washer, Power Washer Chemical Injector Kit, Soap Injector, 3/8 Inch Quick Connect, 4000 PSI

Package: Kit Includes chemical injector, 10 feet siphon hose, filter, black nozzle soap with 1/4” quick connect and teflon tape.
Application: When detergent is sucked out separately, the chemical will not pass through the pump, you could use a variety of chemicals without damaging the pump.
Characteristic: Chemical injector kit with a metering valve, which can adjust dilution ratio of soap and water. Avoid clogging of the injector and improve the efficiency of pressure washer.
Connector: Downstream Injector has 3/8 inch quick connect. Fits most electric and gas power washer. It's connected between the pressure washer pump and the pressure washer hose.
Material: Siphon hose is made of high-quality PVC, used for hot and cold water (32°F to 122°F). Adapter is made of brass and stainless steel. Max pressure is 4000 PSI. Flow rate is 2 to 5 GPM.

No. 3

Raincovo Chemical Injector Kit, Soap Injector for Pressure Washer, 1/8 Inch 27 Male BSP Thread

Chemical injector kit fits most pump which is an OEM brand. Replaces pump 203640GS 308452002, 190593GS and 190635GS.
Soap injector makes cleaning so much easier and faster. It’s a great replacement for the old rusted one.
The brass fitting is a 1/8 inch 27 male BSP thread. Install them and the soap dispenser works just like new.
How to install: Take the brass fitting, drop in the little ball, insert spring with small end against the ball, then attach it back on the pump. Do not over-tighten otherwise it will snap off.
Kit includes 2 pieces fittings, 2 pieces small balls, 2 pieces springs, 2 pieces o-rings outside and 2 pieces inside.

No. 4

JOEJET Downstream Injector for Pressure Washer, Fixed Chemical Injector Kit with 3/8 Inch Quick Connect, 2-3 GPM

𝐄𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐭 𝐂𝐥𝐞𝐚𝐧𝐢𝐧𝐠: The downstream injector for pressure washer uses the siphon principle to draw detergent from a separate container. It's suitable for various cleaning tasks, including driveways, cars, roofs, and walls, ensuring safe and effective cleaning.
𝐄𝐚𝐬𝐲 𝐎𝐩𝐞𝐫𝐚𝐭𝐢𝐨𝐧: The downstream injector kit features 3/8" quick connect fittings on both ends for simple installation between the pressure washer pump and pressure washer hose. This setup prevents chemicals from flowing back into the pump, protecting its performance.
𝐀𝐭𝐭𝐞𝐧𝐭𝐢𝐨𝐧: When installing the fixed chemical injector, ensure that the arrow on the injector aligns with the direction of water flow; otherwise, it will not function properly.
𝐇𝐢𝐠𝐡-𝐐𝐮𝐚𝐥𝐢𝐭𝐲 𝐌𝐚𝐭𝐞𝐫𝐢𝐚𝐥𝐬: The downstream injector is made from premium brass and stainless steel, resistant to chemical corrosion, and can handle pressures up to 3200 PSI with a flow rate of 2-3 GPM.
𝐏𝐚𝐜𝐤𝐚𝐠𝐞 𝐈𝐧𝐜𝐥𝐮𝐝𝐞𝐬: The package includes a 10 ft siphon hose, a brass chemical injector, a 3/8" qc plug with a 3/8" npt female adapter, a 3/8" qc socket with a 3/8" npt female adapter, two rolls of Teflon tape, a black soap nozzle, and a filter.

SaleNo. 5

USSKYBOY Pressure Washer Chemical Soap Injector Kit for Briggs and Stratton, Homelite, Ryobi and Husky Replaces 190593GS 190635GS and 203640GS (2 Set)

【Compatible】 Pressure Washer Soap Syringe Kit is compatible with pumps 190593GS, 190635GS and 203640GS. (1/8'' -27 BSP male thread)
【Replacement method】 Remove the old fuel injector with a wrench. Remove any sticky or dry soap from the container. Make sure the rubber o-ring is on the injector as shown. Put the ball bearing in the injector, and then use the spring on the small end of the spring against the ball bearing. Insert the injector into the socket and use a 13mm wrench to tighten the injector. Do not overtighten or it will damage the o-rings or crack the white metal on the pump.
【Function】 If parts on your high pressure washer pump are worn, rusted, or clogged with hard water deposits, you can replace it with this set. This will make your high pressure washer pump smoother to use.
【Package contains】 The 190593GS chemical injector kit including 2 brass barbs, 2 check valve balls, 2 springs, 2 O-rings (2 set).
【Satisfaction Guarantee】 Provides a 100% satisfied after-sales service. If you are not satisfied with it, simply return it within 30 days. Premium Support 1 year Warranty.

SaleNo. 6

M MINGLE Adjustable Chemical Injector Kit for Pressure Washer, Soap Injector, 3/8 Inch Quick Connector

Attention: Max pressure is 3200PSI. Pressure washer downstream chemical injector kit includes chemical injector, 10 feet tubing (siphon hose), filter and black soap nozzle.
Used to siphon detergent out of separate container. The chemical or soap runs after pump, which will not damage pump. Great for cleaning or spraying.
Control metering valve to adjust dilution ratio of chemical and water. Chemical-resist and poly strainer reduces injector clogging.
The soap injector is equipped with a universal 3/8’’ quick disconnect, which facilitates effortless and quick installation. It is designed to seamlessly connect between the pressure washer pump and the hose, enabling efficient mixing and dispensing of soap during the cleaning process.
Flow rate is from 2 GPM to 5 GPM. Works with most brands of gas and electric pressure washer, cold and hot water pressure washer.

SaleNo. 7

EASYBRO Downstream Injector for Pressure Washer, Adjustable High Pressure Chemical Injector Kit, Double Suction Head Chemical Injector with 2 Pcs Siphon Hose & Soap Nozzle, 3/8 Inch Quick Connect

Adjustable Downstream Injector Kit: The Pressure Washer Downstream Injector features an innovative dual siphon design that allows for the simultaneous use of two chemical liquids or soap solutions to meet your diverse cleaning needs. Suitable for most cleaning scenarios and most gas and electric pressure washers.
Efficient Chemical Dispensing: The chemical injector features 2 black adjustable knobs that allows you to easily adjust the dilution ratio of soap solution to water, this adjustable feature helps you achieve the amount of cleaner you want the most, which improves the cleaning efficiency and is perfect for a variety of surface cleaning needs.
Quality Construction: This downstream injector kit is constructed from materials such as stainless steel and brass to ensure durability and reliability. The injector can be installed downstream of the high-pressure pump to ensure that chemical fluids do not flow through the pump body, extending the life of the pump and protecting its performance.
Versatile Siphon Hose Setup: With 2 pieces of siphon hose included, this chemical injector for pressure washer offers flexibility and convenience during cleaning tasks. The chemical injector dual hoses design ensures a steady flow of chemicals and soap, providing optimal cleaning performance up to 4500 PSI.
Package Includes: The high pressure washer upstream injector kit includes: 1 x brass chemical injector, 2 x 3 meter siphon hoses, 1 x 3/8” quick connect socket fitting, 1 x 3/8” quick connect plug fitting and 1 x black soap nozzle. This pressure washer soap injector kit has a flow rate of 2 GPM to 5 GPM.

No. 8

Pressure Washer Chemical Soap Injector Kit Fits for Briggs & Stratton, Homelite, Ryobi & Husky Replaces 190593GS 190635GS & 203640GS (2 Set)

【Fit on】190593GS Chemical Injector Kit is the replacement soap injector kit for various models pumps, fits many other brands with FAIP Pumps and Himore Pumps, such as for Excell DeVilbiss, Troy Bilt, Husky, Campbell Hausfeld, Generac, Coleman Powermate, Ridgid, Task Force, Faip, Homelite, Brute, Duracraft, Simoniz, Simpson, John Deere, etc.
【Function】If the Chemical Injector on your pressure washer is worn-out, rusted or hard-water-deposit clogged, you can replace it with this set.
【Package List】190593GS chemical injector kit comes with 2 Chemical Injector Sets, including 2 Brass Barbs, 2 Check Valve Balls, 2 Springs, 4 O-Rings.
【Easy Installation】How to replace: Follow soap hose to end and you'll find injector. Take off soap hose. Use wrench to remove old injector. Clean out any gunk or dried soap in receptacle. Make sure rubber o ring is on injector. Put ball bearing inside injector and then the spring with small end of spring against the ball bearing. Insert injector into receptacle and tighten injector with 13mm wrench. Don't overtighten, you'll break the o ring or crack white metal on pump.
【Satisfaction Guarantee】We are dedicated to delivering professional and heartfelt service to enhance your shopping experience. If you're not completely satisfied with your purchase, simply return it within 30 days. Additionally, we offer a 12-month warranty for your peace of mind.

No. 9

ESSENTIAL WASHER Pressure Washer Chemical Injector Kit | Adjustable Downstream Injector For Pressure Washer | 4' Hose With Grey Filter Built In Check Valve | 3/8" Inch Quick Connect Connectors

Downstream Injector: Premium quality brass 3/8" NPT adjustable chemical injector for pressure washer. Ideal for seamless, leak free washing and high pressure soap application.
Pressure Washer Chemical Injection Kit: Includes a 4' gray filter with check valve, a soap nozzle, siphon hose barb, siphon hose and filter, and a 3/8" quick connect plug. Ensures efficient downstream chemical injection.
Adjustable Flow: Regulate the amount of soap in your pressure washer with this downstream injector for pressure washer. Enables easy adjustment for optimal cleaning results.
High Quality Connections: Features a 3/8" quick connect coupler, ensuring secure and steady connection for your downstream injector pressure washer. Enhances performance and reliability.
Chemical Filter Hose Assembly: This pressure washer chemical injector kit includes a chemical filter hose assembly, providing excellent filtration for a clean, efficient wash.

No. 10

Pressure Washer Downstream Chemical Injector Bypass Kit - Improved Design (2.3 High Draw)

2.3 Orifice is for flow rates between 5.0 - 8.0 GPM
3/8" Stainless Steel Quick Connects
(2) U.S Made 3/8" Street Tees
2 Foot U.S. Made 3/8" Jumper Hose (2 Wire Braid for Increased Durability)
U.S Made High Draw General Pump Chemical Injector with Ceramic Ball Rated 4500 PSI

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Last update on 2025-06-12 / Affiliate links / Images from Amazon Product Advertising API

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