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DeWALT DPH3800 3800 PSI Pressure Washer dewalt logo

 DeWALT DPH3800 3800 PSI Pressure Washer Parts

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 Fig # Img Part Name Availability Price
103
Locking Nut
Part #: 5140046-29
Ships in 10 - 16 business days
 $65.86
Add To Cart
225
O-Ring 1/4 QC
O-Ring 1/4 QC
Part #: F179
In stock
13 available
 $2.99
Add To Cart
240
Lance
Lance
Part #: 5140095-06
In stock
5 available
 $15.02
Add To Cart
401
Gasket
Gasket
Part #: 285805-44
Ships in 10 - 16 business days
 $3.31
Add To Cart
402
Element
Element
Part #: 285807-16
In stock
4 available
 $29.23
Add To Cart
403
Filter
Filter
Part #: 285807-17
In stock
1 available
 $10.29
Add To Cart
404
Cover
Cover
Part #: 285807-18
In stock
2 available
 $57.89
Add To Cart
405
Grommet
Grommet
Part #: 285800-05
In stock
3 available
 $3.49
Add To Cart
406
Collar
Part #: 285805-48
Ships in 10 - 16 business days
 $4.48
Add To Cart
407
Collar
Part #: 285800-07
Ships in 10 - 16 business days
 $4.33
Add To Cart
408
Elbow
Elbow
Part #: 285807-20
Ships in 10 - 16 business days
 $59.79
Add To Cart
409
Nut
Nut
Part #: 285800-46
Ships in 10 - 16 business days
 $1.27
Add To Cart
411
Wing Nut
Wing Nut
Part #: 285800-11
In stock
4 available
 $4.01
Add To Cart
412
Nose
Nose
Part #: 285807-19
In stock
2 available
 $36.81
Add To Cart
413
Bolt
Part #: 285805-50
Ships in 10 - 16 business days
 $2.14
Add To Cart
Fig #ImgPart NameAvailabilityPrice
419
Fan
Part #: 285803-03
Ships in 10 - 16 business days
 $30.47
Add To Cart
420
Flywheel
Part #: 285807-01
Ships in 10 - 16 business days
 $296.57
Add To Cart
421
Nut
Part #: 285803-05
Ships in 10 - 16 business days
 $8.55
Add To Cart
422
Key
Part #: 285803-06
Ships in 10 - 16 business days
 $4.33
Add To Cart
423
Pulley
Part #: 285807-00
Ships in 10 - 16 business days
 $45.58
Add To Cart
447
Gasket Set
Gasket Set
Part #: 285805-51
Ships in 10 - 16 business days
 $23.59
Add To Cart
448
Valve Set
Valve Set
Part #: 285803-76
Ships in 10 - 16 business days
 $46.53
Add To Cart
449
Float Set
Float Set
Part #: 285803-77
Ships in 10 - 16 business days
 $51.46
Add To Cart
450
Chamber Set
Part #: 285805-61
Ships in 10 - 16 business days
 $47.05
Add To Cart
451
Set Screw
Set Screw
Part #: 285800-51
Ships in 10 - 16 business days
 $22.04
Add To Cart
453
Set Screw
Part #: 285800-53
Ships in 10 - 16 business days
 $14.25
Add To Cart
454
Choke Set
Part #: 285806-82
Ships in 10 - 16 business days
 $37.35
Add To Cart
455
Carburetor
Carburetor
Part #: 285806-83
In stock
2 available
 $153.69
Add To Cart
456
Screw
Screw
Part #: 285800-56
Ships in 10 - 16 business days
 $15.88
Add To Cart
457
Nozzle
Nozzle
Part #: 285806-84
Ships in 10 - 16 business days
 $32.66
Add To Cart
Fig #ImgPart NameAvailabilityPrice
458
O-Ring
O-Ring
Part #: 285800-58
Ships in 10 - 16 business days
 $7.96
Add To Cart
459
Insulator
Part #: 285806-85
Ships in 10 - 16 business days
 $19.67
Add To Cart
460
Gasket
Gasket
Part #: 285806-05
Ships in 10 - 16 business days
 $2.70
Add To Cart
461
Spacer
Part #: 285805-56
Ships in 10 - 16 business days
 $12.78
Add To Cart
462
Gasket
Gasket
Part #: 285806-04
Ships in 10 - 16 business days
 $2.53
Add To Cart
463
Lever
Lever
Part #: 285800-63
Ships in 10 - 16 business days
 $11.39
Add To Cart
464
Lever
Lever
Part #: 285800-64
In stock
2 available
 $10.72
Add To Cart
465
Plate
Part #: 285800-65
Ships in 10 - 16 business days
 $3.82
Add To Cart
467
Gasket
Gasket
Part #: 285800-67
In stock
1 available
 $4.80
Add To Cart
468
Cup
Part #: 285800-68
Ships in 10 - 16 business days
 $24.97
Add To Cart
Main Jet
Part #: 285806-86
Ships in 10 - 16 business days
 $8.47
Add To Cart
Main Jet
Part #: 285806-87
Ships in 10 - 16 business days
 $8.47
Add To Cart
472
Jet
Part #: 285804-58
Ships in 10 - 16 business days
 $19.94
Add To Cart
547
Collar
Part #: 285803-84
Ships in 10 - 16 business days
 $9.07
Add To Cart
626
Clip Obsolete - Not Available
Part #: 285805-80
Discontinued
N/A
Fig #ImgPart NameAvailabilityPrice
654
Ring Set
Part #: 285806-13
Ships in 10 - 16 business days
 $72.53
Add To Cart
655
Piston
Part #: 285806-17
Ships in 10 - 16 business days
 $115.30
Add To Cart
657
Connecting Rod
Part #: 285806-20
Ships in 10 - 16 business days
 $116.58
Add To Cart
660
Cover
Part #: 285806-98
Ships in 10 - 16 business days
 $96.30
Add To Cart
661
Shroud
Shroud
Part #: 285803-00
Ships in 10 - 16 business days
 $12.78
Add To Cart
662
Switch Assy.
Switch Assy.
Part #: 285806-99
In stock
3 available
 $21.30
Add To Cart
663
Bolt
Bolt
Part #: 285800-41
Ships in 10 - 16 business days
 $2.23
Add To Cart
664
Clip Obsolete - Not Available
Part #: 285805-82
Discontinued
N/A
676
Label
Part #: 285805-88
Ships in 10 - 16 business days
 $2.87
Add To Cart

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Discussion
Discussion for the DeWALT DPH3800 3800 PSI Pressure Washer

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Chas
Question: Water Squirting Out

Chas

Why would water squirt out of fluid pickup inlet?
Patrick
Question: Syphon

Patrick

My siphon system has stopped pulling cleaning solution through it and I would like to know what would cause it to stop pulling solution through the siphoning system. Help?
steve r
Question: Dewalt Dph3800-CHEM INJECTOR

steve r

I have a dewalt dph3800 pressure washer. On my job site yesterday it started spewing water out of the chemical injector (part #169 on the diagram) and back into the cleaning solution. I took it apart and inside I found a small broken o-ring. Bought a new o-ring but have no idea where to put it. My only guess is that the ball inside that valve is struck in the open position and all I need to do to get it working properly is replace that little o-ring in the correct spot. Where does it go? There's no diagram of the inside of part 169. Any ideas?
Rumz
Reply: Dewalt Dph3800-CHEM INJECTOR

Rumz

It goes in the top of the fitting the injector hose attaches to.
fancyboxy