This item is a genuine OEM sourced replacement valve kit designed for use with Dewalt pressure washers. This kit includes three (3) inner and three (3) outer valves that fit in the pump. These valve are made out of plastic with metal and they include rubber o-rings. To complete this repair you will need a set of wrenches and a screwdriver.
Valve Kit 5140117-46
OEM part for: DeWALT, Black and Decker
Part Number: 5140117-46
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Compatibility
This Valve Kit will fit the following 10 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
This item works with the following types of products:
- Pressure Washer Parts
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Customer Repair Instructions ?
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
pump does not have enough pressure due to all six check valves were broken.
Tool Type
Pressure Washer
Difficulty
Medium
Time
15-30 minutes
Tools Used
, Allen Wrench, long nose plier
Parts Used
DXPW3425 was low pressure
Tool Type
Pressure Washer
Difficulty
Medium
Time
15-30 minutes
Tools Used
Pliers, Wrench Set, Adjustable Wrench, Probe set
Parts Used
2: Inspected valve seats , O-rings and valves
3: Found top o-rings shredded , upper valves twisted but in tact; inner valve inspected and found to be impacted and sealed from improper pressure and over heat
4: Removed upper O-rings for replacement; replaced upper valves; removed inner valves with probe set; remainder of valves had to be extracted with a thread out adapter as they were sealed in by expansion
5: Replaced all valves ; lubed all O-rings, valve seats , washers and screws
Pressure washer would not build pressure
Tool Type
Pressure Washer
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Adjustable Wrench, Allen wrench
Parts Used
Disassembled
Removed old valves and cleaned all passages of broken valve pieces with air and small pick
Installed new valve kit
Reinstalled pump
Power washer no pressure and no soap
Tool Type
Pressure Washer
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Wrench Set, allen wrenchs, and Dental picks
2. replace Soap injector clean the port
3. Unloader check valve remove old , clean and replace with new
4. Start power washer and adjust new parts to the pressures needed and run. It is OK now soap and all.
No pressure
Tool Type
Pressure Washer
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Wrench Set
Parts Used
Lack of pressure or low pressure
Tool Type
Pressure Washer
Difficulty
Easy
Time
30-60 minutes
Tools Used
Pliers, Allen set
https://www.youtube.com/watch?v=Qmrhgq22ASI
https://www.youtube.com/watch?v=q2c2uUlP13s
No water pressure
Tool Type
Pressure Washer
Difficulty
Medium
Time
30-60 minutes
Tools Used
Pliers, Nutdriver, Adjustable Wrench, Hexhead wrenches, needle nose pliers
Parts Used
2. Took off valve body
3. Removed all 6 valves from valve body
4. Cleaned out valve body, build up inside
5. Replaced all 6 valves and thermal relief valves
6. Re-assembled and adjusted unloader
7. Connected water supply, started engine, turned on water
8. Washed 2 vehicles with it, worked just fine
Pressure washer had no pressure. Valves corroded.
Tool Type
Pressure Washer
Difficulty
Easy
Time
30-60 minutes
Tools Used
Pliers, Allen wrench set
Parts Used
Pull old valves out with needle nose pliers.
Push new valves in by hand
Reinstall cover plate
Reinstall pump manifold
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Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.