Top 10 Best dewalt 3400 pressure washer parts in 2026

Last Updated - 6/28/2026

🏆Best Choice

YAMATIC

YAMATIC 3/4" Shaft Horizontal Pressure Washer Pump 3400 PSI @ 2.5 GPM Replacement Pump for Power Washer Compatible with Homelite, Troybilt, Simpson, Karcher Honda GC160 GC190 AR rmv 2.5g30 and More

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•【Performance and Duality upgrade】 Industry engineering process designed for residential powerful pressure washer cleaning job, longest real 150 hours endurance test than a similar residential pump. Improved 3400 PSI X 2.5 GPM performance makes your cleaning job more powerful for multiple works, like houses, fences, sidewalks, vehicles, pools etc.
•【Extended Durability & Adjustable Unloader】 High-performance double seal system prevents leakage, upgraded technical surfacing piston and bearing, gets 150 hrs running time, longer than original power washer pump. And the thermal relief valve (TRV) protects the pump from overheating while in bypass mode. With adjustable unloader allows you to increase or reduce the pressure to fit the engine's requirement better.
•【Fit for Who】USA Standard Mounting design, this pump could fit most brand gas power washers come with the small gas engine from 180 to 225 cc (Equival 6.5 to 7 hp engine). Please Note only fit a 3/4" Shaft Horizontal pressure washer pump.
•【Easy Start Easy Job】Pre-filled oil for a lifetime and no need to change the oil. Easy set up as video show. Also Easy-Start structure with light recoil start. Make power washer more powerful and easier. Recommend draining out water inside pump and use Briggs Stratton and SIMPSON pump guard before long time storage.
•【COMPATIBALE】Replacement for ►HONDA GC190, GC135, GX140,GX160 (GC160 with 3/4" keyway shaft). ►SIMPSON: MSH3125 MS60753, MS60788, MS60850, MS60799,MS61043►Homelite 308418007, 309515003, 308418004, 308653078, 308653057, UT80522B, UT80953B, UT80522A, UT80953A. ►Karcher: G3050OH, K2400HH, G2400HH. ►rmv 2.5g30 ►Troy-Bilt: 020241, 020241-1, 20242. Please feel free to contact us for any technical and after serivce requirement.

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$72.99

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Tatuo

48 Pieces O-Ring Power Pressure Washer Kit 6 Sizes Sealing Stainless Steel Filter for Power Pressure Washers, Pump, Hose, Gun, Wand and Lance

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Usage: O-rings of various colors are non-toxic, odorless, widely applied in electronics, electrical appliances, toys, hardware, mechanical processing
•Function: 40 pieces O-ring of 5 sizes, adapt to your different size requirements with pressure washer pumps, trigger guns, wands, lances and hoses.
•Feature: the rubber washer with stainless steel filter 50 mesh and 6 small outer tabs to fix them in place firmly and properly; Serves as a flow restrictor can reduce the waste of water effectively and prevent washers from falling out of the hose fittings, do not interfere with the functionality of hose washer
•Package includes: 8 pieces of 3/4 inch stainless steel filters and 40 pieces of 5 sizes 5 color O-ring, help your pressure washer to run at optimal performance for a long time
•Size: the 3/4 inch washers are made of stainless steel and quality rubber that is durable; the garden rubber washer external diameter is 1 inches/ 25 mm, the internal diameter is 5/8 inches/ 16 mm, the thickness is 1/8 inches/ 3 mm

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$6.99

$7.49

-7%

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DEWALT

DeWalt DXPW3400PRNB-S PressuReady 3400 PSI Gas Pressure Washer with Quick Start Technology, 2.5 GPM Axial Cam Pump, 208cc Engine, Cold Water, Includes 25-Ft Hose, Nozzles, Spray Gun & Wand, 49-State

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Premium Residential Performance: Easy-to-assemble and easy-to-start with PressuReady technology and a DeWalt 208cc engine, this power washer is great for cleaning decks, patios, outdoor furniture, house siding, and prepping home exteriors for painting
•Quick Start Technology: Squeeze the spray-gun trigger to activate the PressuReady battery-operated electric starter with no need to adjust the choke or pull the recoil rope; Unit shuts off after a few seconds of inactivity to save fuel & reduce noise
•PressuReady Smart Control Panel: The battery-operated control panel includes LED indicators for ready-mode, water flow mode, and faults for no fuel and low battery; Oversized battery compartment is water-resistant
•Power and Durability: A powerful, reliable, maintenance-free OEM Technologies axial cam pump delivers 3400 PSI at 2.5 GPM & includes a thermal relief valve to prevent overheating; Welded steel frame construction with a powder-coated finish adds durability
•What’s Included: MorFlex ¼" x 25' high-pressure hose; 5 Quick connect nozzles: 0°, 15°, 25°, 40° & Soap; Spray gun & 16" steel wand/lance; Battery is not included; Compatible with DeWalt 20V MAX* & FLEXVOLT Batteries (sold separately); 49-State Compliant

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$576.58

$650.00

-11%

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CIMALAB

Pressure Washer Tips, Universal Pressure Washer Nozzle Tips (5 Pack), Power Washer Nozzle Tips for 1/4'' Quick Connect, 4500 PSI Multiple Degrees Pressure Washer Spray Nozzle (0、15、25、40、65) 3.0 GPM

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•【Wide Application】The pressure washer tips set with multiple degrees ranging from 0 to 65 degrees can handle up to 4500 PSI, making them perfect for cleaning cars, bicycles, sidewalks, concrete, deck floors, and even for watering grass, flowers, and trees. Different spray angles allow you to quickly and easily clean hard-to-reach areas!
•【Universal Compatibility】Our pressure washer tips come with 1/4" quick connections, is ideal for almost all brands of pressure washers, can be easily connected with most pressure washer guns and wands. The power washer tips set is ideal for easy access to hard-to-reach areas for efficient, convenient cleaning.
•【Quality Material & Durable】Our pressure washer nozzle tips are made of high-quality stainless steel and brass, and features rust and corrosion-resistant construction, strong and durable. The set is easy to install with a 1/4'' quick connect design,pressure up to 4500 PSI, has 5 adjustable cleaning angles, which makes it simple to attach and remove.
•【Versatile Angles and Modes】Our power washer nozzle tips set contains 5 different high pressure washer nozzle tips, including 4 pressure washer quick connect nozzles (Red 0°, Yellow 15°, Green 25°, White 40°) and 1 low pressure black soap nozzle tip (65°), you can change the pressure washer nozzles at different angles to obtain different spray patterns to actual needs.
•【What You Get】5 pack different angles of power washer tips (3 orifice sizes, 3 GPM) and online response within 24 hours. CIMALAB team only provides consumers with premium pressure washer accessories, our pressure washer products provide 90-day warranty service, if If you have any questions about our products, please feel free to contact us, we will make sure you are satisfied!

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$6.98

$8.98

-22%

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MARSTEK

Pressure Washer Tips, Set of 7 Pressure Washer Nozzle Tips with Nozzle Holder, 1/4 Inch Quick Connect Power Washer Tips, 4000 PSI, Multiple Degrees Rinse Kit, Pressure Washer Accessories

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•What You Get: This pressure washer tips kit includes 1pcs nozzle holder, 1pcs rinse mode nozzle tip, 1pcs soap mode nozzle tip, 1pcs red nozzle tip (0°), 1pcs yellow nozzle tip(15°), 1pcs green nozzle tip(25°), 1pcs white nozzle tip(40°), 1pcs black nozzle tip(65°).
•A Full Range of Nozzle Options: This rinse kit provides you with a full range of nozzle options to meet your different cleaning requirements. Pressure washer tips make cleaning easier and more efficient. And the nozzle tip set allows you to clean as many kinds of surfaces as you can, saying goodbye to single tip choice.
•Convenient Nozzle Holder: The nozzle holder is designed with a clip to make it easily attach to your pressure washer. The holder prevents these small nozzle tips from being lost and keeps them tidy, so you can use and change tips conveniently.
•Quality and Durable Material: The nozzle holder is made of durable plastic. And the nozzle tips are built from quality stainless steel and brass, which are rust-proof and serve for a long time.
•1/4 Inch Quick Connect: The 7pcs sprayer nozzle tips are with universal 1/4 inch quick connect plugs, which allow them to quickly connect to different brands of pressure washers. The max pressure is 4000 PSI.

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$9.99

$11.99

-17%

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SIMPSON

OEM Technologies 90029 Replacement Pressure Washer Pump Kit, 3400 PSI, 2.5 GPM, 3/4" Shaft, Includes Hardware and Siphon Tube, for Residential and Industrial Gas Powered Machines

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Extend the life of your pressure washer: Save money by replacing your pump instead of buying a whole new power washer; This easy-to-install kit is great for machines that can support 3400 PSI at 2.5 GPM to wash walls, fences, sidewalks, vehicles, and more
•Compatibility: SAE standard bolt pattern fits many gas pressure washers with horizontal engines. To ensure compatibility, be sure to match engine orientation, PSI, GPM, engine shaft diameter, and current pump inlet and outlet connection
•Standard Connections: This replacement pump features a garden hose inlet and threaded M22 connection high pressure hose outlet; Use it with many pressure washer hoses, including Simpson MorFlex models 40224, 40225, 40226 and Santoprene model 41182
•Skip the Oil Change: This pump features a maintenance-free crankcase so you never have to change the oil; It is manufactured from fully anodized die-cast aluminum for protection against corrosion; Use it for years with your pressure washer accessories
•Extended durability: A Thermal Relief Valve (TRV) protects the pump from overheating while in bypass mode; The TRV releases small amounts of hot water and intakes cooler water to prevent overheating and extend the life of the pump

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$151.49

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KBZ

678169004 Thermal Relief Valve Thermal Release Valve for Homelite Ryobi Dewalt Pressure Washer

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•1/4‘’ NPT thermal relief valve for homelite ryobi dewalt pressure washer 678169004 17658.
•Replaces Briggs and Stratton part #208673GS, 21783GS, 194298GS , B3090GS.
•Replace Dewalt part number 17658.
•Replace Homelite /Ryobi part numbers 678169004, 678169002 and 678169001.
•Fits Homelite Pressure Washer Models: BM80913A, BM80915D, BM80919B, BM80919D, BM80919D, CT80020, CT80701, HL80833, HL80835, HU80432, HU80709, HU80709A, HU80833, HU80833A, HU80911, HU80911A, HUCA80443, HUCA80833, PS80517, PS80903A, PS80903B, PS80943, PS80946A, PS80979, PS80979A, UT80522, UT80522D, UT80522E, UT80546, UT80709.

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$9.77

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WOJET

WOJET Pressure Washer Pump, 3/4" Shaft, 3400PSI 2.5GPM, Horizontal Power Washer Pump With Anti-seize, Self-Priming, Replacement Pressure Washer Pump Kit for Dewalt, Simpson, Craftsman, Honda, Generac

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•COMPATIBILITY: The WOJET pressure washer pump works with the following engine models: ▶Honda GX160, GX200, GC160, GC190 ▶Briggs & Stratton 550EX, 575EX, 625EX, 675EXi, 725EXi, 850 Professional Series, 950 Series ▶Generac OHV 196cc, 161cc, 212cc ▶Subaru EA175V, EA190V ▶Kohler CH270, CH440, LH195, RH265, SH265, XT675 ▶Lifan 168F, 170F, LF200F ▶Loncin G200F, G160F, LC168F Not sure if it fits your model? Please send us your brand, model number, PSI, and GPM, and we’ll check for you!
•REVITALIZE YOUR PRESSURE WASHER: Give your old pressure washer a new lease of life with this reliable replacement pump. Designed for 3/4” shaft engines with 180 to 225 cc (6.5 to 7 HP), it fits well with many gas pressure washer models. With max pressure 3400 PSI and flow rate 2.5 GPM, this pressure washer pump is ideal for everyday tasks like car washes, driveway cleaning, fence maintenance, and other outdoor projects. It's a simple way to extend the life of your equipment
•EASILY ADJUSTABLE PRESSURE CONTROL: Our pump for power washer features an upgraded unloader that eliminates the need for a wrench to adjust pressure. Simply twist by hand - turn counterclockwise to reduce pressure for light tasks or clockwise to increase it for tougher jobs like cleaning driveways. This design lets you seamlessly switch between tasks, making it more convenient for washing cars, driveways, or more. The garden hose inlet and M22 outlet ensure easy connection to your existing setup
•SELF-PRIMING FOR GREATER FLEXIBILITY: Unlike most pumps, this model includes a unique self-priming function, giving you the freedom to draw water from a variety of sources. Whether it’s a bucket, pool, or tank, this power washer pump happily pulls water, making it ideal for areas without a direct faucet connection. Perfect for mobile tasks or supporting agricultural work, its versatility ensures you can tackle tough jobs in remote locations or expansive outdoor spaces
•REUSABLE PUMP: This replacement pump comes pre-filled with oil. Change oil every 200 hours. Made from strong die-cast aluminum, it resists rust and lasts a long time. A thermal relief valve prevents overheating by releasing hot water and letting in cooler water. It supports power washers up to 3400 PSI and 2.5 GPM. With detailed installation instructions and video, you can replace your old pump in just 10 minutes, making it a reliable upgrade for your pressure washer

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$79.99

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WHFZN

WHFZN Carburetor For DeWalt DXPW3425 3400PSI 2.5GPM 6.5HP Pressure Washer With Air Filter

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Carburetor Carb For DeWalt DXPW3425E DXPW3425 3400PSI Pressure Washer
•Carburetor Carb For DeWalt DXPW3425E 3400PSI Pressure Washer
•Package includes:1xCarburetor , 1x Air Filter , 1x Oil Filter , 1x Spark Plug , 3x Gaskets .
•Without debugging, it can be installed and used directly, which takes you about 10 minutes

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$25.99

$27.99

-7%

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HOLEPU

HOLEPU 5140186-12 5140117-20 For DeWalt Pressure Washer Outlet Fitting, Pressure Washer Replacement Parts Fits DXPW3025, DXPW3228, DXPW3425, DXPW3625

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•【5140186-12 5140117-20 For DeWalt Pressure Washer Outlet Fitting】: The Pressure Washer Outlet Fitting Is A High-quality Replacement Part For DeWalt Pressure Washer. When The Pressure Washer Outlet Fitting Rust, Wear Or Block, This Pressure Washer Replacement Parts Can Be Easily Replaced
•This Is a Replacement For DeWalt Pressure Washer Outlet Fitting Pressure Cleaning Pump, Model (5140186-12 5140117-20)
•5140186-12 5140117-20 For DeWalt Pressure Washer Outlet Fitting, Pressure Washer Replacement Parts Fits DXPW3025, DXPW3228, DXPW3425, DXPW3625
•【For DeWalt Pressure Washer Outlet Fitting Multiple Models】: 5140186-12 5140117-20 High Pressure Cleaning Water Outlet Interface Is Suitable For DeWalt DXPW3025, DXPW3425, DXPW3425-CA, DXPW3025-CA, DXPW3625,DXPW3228 DXPW342
•【HOLEPU's Mission】: HOLEPU's Mission Is To Provide Professionals And Consumers With Innovative And High-quality Products To Get The Job Done Right. HOLEPU's Products Are Built To The Highest Standards And Incorporate Many Unique Features That Make Work Easier, Faster And Cost-Effective.

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$27.44

$36.77

-25%

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