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The 14 best pressure washers with detergent injector of 2025

The 14 best pressure washers with detergent injector of 2025

Updated: May, 08 2025

Andrian Cheng
Andrian Cheng

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In this September 2025 review, we explore the 14 best pressure washers with detergent injector options available. Our expert analysis, led by Andrian Cheng, ensures you find the perfect fit.

JOEJET Downstream Injector for Pressure Washer, Fixed Chemical Injector Kit with 3/8 Inch Quick Connect, 3-5 GPM
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The 14 best pressure washers with detergent injector of 2025

best pressure washers with detergent injector

JOEJET Downstream Injector for Pressure Washer, Fixed Chemical Injector Kit with 3/8 Inch Quick Connect, 3-5 GPM
JOEJET Downstream Injector for Pressure Washer, Fixed Chemical Injector Kit with 3/8 Inch Quick Connect, 3-5 GPM

4

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

3.8

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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
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

3.8

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General Pump Quick Connect Pressure Washer Detergent Injector - 2.1mm Orifice, 4500 PSI, Model Number N100812P
General Pump Quick Connect Pressure Washer Detergent Injector - 2.1mm Orifice, 4500 PSI, Model Number N100812P

4.3

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

4.6

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

3.9

$18.89
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Tool Daily Pressure Washer Siphon Hose and Filter for Soap and Chemical Injector, 10 Feet Tubing, 2 Filters
Tool Daily Pressure Washer Siphon Hose and Filter for Soap and Chemical Injector, 10 Feet Tubing, 2 Filters

4.6

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

4.4

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Enhon Siphon Tube Chemical Injector Kit, Pressure Washer Siphon Hose with Filter, Chemical Soap Injector Kit Compatible with Briggs and Stratton, Homelite, Ryob & Husky 190593GS 190635GS & 203640GS
Enhon Siphon Tube Chemical Injector Kit, Pressure Washer Siphon Hose with Filter, Chemical Soap Injector Kit Compatible with Briggs and Stratton, Homelite, Ryob & Husky 190593GS 190635GS & 203640GS

0

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PWACCS Pressure Washer Siphon Hose with Filter, Downstream Soap Chemical Injector Parts for Power Washing, 10 Feet, 2 Filters
PWACCS Pressure Washer Siphon Hose with Filter, Downstream Soap Chemical Injector Parts for Power Washing, 10 Feet, 2 Filters

4.4

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Kit Pressure Washer Chemical Detergent Soap Down Stream Injector 3-5 GPM 2.1 Orifice, Hose Filter & 3/8 NPT Size Quick Connects Various
Kit Pressure Washer Chemical Detergent Soap Down Stream Injector 3-5 GPM 2.1 Orifice, Hose Filter & 3/8 NPT Size Quick Connects Various

4.3

$28.98
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General Pump Quick Connect Pressure Washer Detergent Injector - 1.8mm Orifice, 4500 PSI, Model Number N100811P
General Pump Quick Connect Pressure Washer Detergent Injector - 1.8mm Orifice, 4500 PSI, Model Number N100811P

4.6

$32.97
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Jingzan 2 Set Pressure Washer Chemical Soap Injector Kit for Briggs and Stratton, Homelite, Ryobi and Husky Replaces 190593GS 190635GS and 203640GS (2 Set Injector Kit)
Jingzan 2 Set Pressure Washer Chemical Soap Injector Kit for Briggs and Stratton, Homelite, Ryobi and Husky Replaces 190593GS 190635GS and 203640GS (2 Set Injector Kit)

5

$7.99
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Pressure Washer Soap Injector
Pressure Washer Soap Injector

4.1

$6.99
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3.8

48 ratings

Andrian Cheng
Andrian Cheng

contributing writer

I own a very reputable store selling electronic machines, including models of pressure washers; my store serves hundreds of customers a day.

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