DXPW3425 (Type 0) DeWALT Pressure Washer - Overview

Sections of the DXPW3425

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Hardware Kit – Part Number: 5140095-90
Hardware Kit
PartSelect #: PS9963875
Manufacturer #: 5140095-90
$54.92
  Special Order
Set Screw – Part Number: 5140098-16
Set Screw
PartSelect #: PS9963910
Manufacturer #: 5140098-16
$82.97
  Special Order
Handle Grip – Part Number: 5140109-33
Handle Grip
PartSelect #: PS9963970
Manufacturer #: 5140109-33
$82.79
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Retaining Ring – Part Number: 5140117-32
Retaining Ring
PartSelect #: PS9964093
Manufacturer #: 5140117-32
  No Longer Available
Hardware Kit – Part Number: 5140112-52
Hardware Kit
PartSelect #: PS9964013
Manufacturer #: 5140112-52
  No Longer Available
Screw – Part Number: 5140117-56
Screw
PartSelect #: PS9964116
Manufacturer #: 5140117-56
  No Longer Available
Rear Handle Assy. – Part Number: 5140142-65
Rear Handle Assy.
PartSelect #: PS11927371
Manufacturer #: 5140142-65
  No Longer Available
Crankcase Cover Kit – Part Number: 5140142-70
Crankcase Cover Kit
PartSelect #: PS11927374
Manufacturer #: 5140142-70
  No Longer Available
Manifold Kit – Part Number: 5140118-54
Manifold Kit
PartSelect #: PS11927299
Manufacturer #: 5140118-54
  No Longer Available
Crankcase End Cover – Part Number: 5140136-21
Crankcase End Cover
PartSelect #: PS11927358
Manufacturer #: 5140136-21
$78.10
  Special Order
Hose Chemical – Part Number: 5140094-96
Hose Chemical
PartSelect #: PS9963814
Manufacturer #: 5140094-96
This is a genuine DeWalt replacement part that has been sourced from the original manufacturer to be used with pressure washers. The clear plastic hose is used to carry detergent from the chemical tan...
$83.93
  Special Order
Foot – Part Number: 5140095-03
Foot
PartSelect #: PS9963819
Manufacturer #: 5140095-03
This genuine OEM part is made to fit the DeWALT machines listed below. This rubber foot attaches to the underside of the frame, dampening vibrations and keeping the machine stable while protecting sur...
$76.77
  Special Order

Questions And Answers for DXPW3425

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Common Symptoms of the DXPW3425

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Leaks water
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these parts
Fixing
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No or low pressure
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Fixing
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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Pressure washer came up to pressure ,squeeze trigger, total pressure loss
This is on a dewalt pressure washer with A 8.7 12 pump and Honda motor. Removed brass housing taking really good notes of how seals were placed Into housing
This pump is a triplex pump. Removed 3 brass Allen head plugs to expose the 3 checks and the other 3 checks are at the bottom of other 3 ports where the 3 pistons go in.
Used a needle nose plies to remove checks..Removed seals from piston ports. I used a Oring lubricant to assemble THE NEW SEALS THAT GO IN FIRST WERE VERY VERY HARD TO INSTALL HAD TO PUSH THEM IN THEN SLOWLY WORKED AROUND THE EDGE OF SEAL SLOWLY WORKING DOWN INTO BORE OF HOUSING
THE rest of parts install went easy Bolted unit up,pulled starter rope to rotate pump an motor ok so far
Hooked up water started motor and cleaned items I had out to do. Hope info helps
Parts Used:
Pressure Seal Kit Valve Kit
  • Stephan from MANSFIELD, OH
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers, Socket set, Wrench set
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