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  Karcher K 3.99M-Plus (1.423-235.0) Pressure Washer Parts
Karcher Pressure Washer Replacement For Model K 3.99M-Plus (1.423-235.0)

Karcher Pressure Washer Replacement Parts For Model K 3.99M-Plus (1.423-235.0)

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Page A
Karcher K 3.99M-Plus (1.423-235.0) Pressure Washer Page A Diagram
 Fig #
1
Cover Kaercher K3.97 Sk Ii
 $73.23

Part Number:9.036-808.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $73.23
Usually ships in 7 - 12 business days
 $73.23
3
Screw Fixing Handhold K39x
 $4.99

Part Number:9.036-737.0

In Stock

In Stock
 $4.99
In Stock
 $4.99
4
Screw
 $3.99

Part Number:9.086-221.0

In Stock

In Stock
 $3.99
In Stock
 $3.99
5
Holder Accessories New
 $9.31

Part Number:9.037-038.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $9.31
Usually ships in 7 - 12 business days
 $9.31
6
Hand Grip K39x
 $21.71

Part Number:9.036-724.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $21.71
Usually ships in 7 - 12 business days
 $21.71
7
Plug
 $3.99

Part Number:9.036-727.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
8
Turning Knob K39x
 $6.11

Part Number:9.036-738.0

In Stock

In Stock
 $6.11
In Stock
 $6.11
10
Cable With Plug Usa Gfci/k 370
 $197.28

Part Number:9.084-087.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $197.28
Usually ships in 7 - 12 business days
 $197.28
10
Cable Usa/cdn 7mt 3x16 Awg
 $37.60

Part Number:9.084-132.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $37.60
Usually ships in 7 - 12 business days
 $37.60
12
Cap Of A Tank With Valve
 $9.99

Part Number:6.412-057.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Version 1
 $9.99
Usually ships in 7 - 12 business days
 $9.99
14
Filter Cleaning Agents K 39xm
 $3.99

Part Number:9.036-729.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Version 1
 $3.99
Usually ships in 7 - 12 business days
 $3.99
15
Moulded Part
 $16.55

Part Number:9.036-722.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $16.55
Usually ships in 7 - 12 business days
 $16.55
16
Covering Cap Tank Cleaning Age
 $16.02

Part Number:9.036-730.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $16.02
Usually ships in 7 - 12 business days
 $16.02
17
Cover Top Part Top Craft 2002
 $50.54

Part Number:9.036-711.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Version 2
 $50.54
Usually ships in 7 - 12 business days
 $50.54
18
Tank Cleaning Agents K3./4.9xm
 $19.71

Part Number:9.036-893.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Version 2
 $19.71
Usually ships in 7 - 12 business days
 $19.71
Page B
Karcher K 3.99M-Plus (1.423-235.0) Pressure Washer Page B Diagram
 Fig #
1
Front Housing Modular Compact
 $9.40

Part Number:9.001-741.0

In Stock

In Stock
 $9.40
In Stock
 $9.40
2
Moulded Part Complete
 $13.58

Part Number:9.001-110.0

In Stock

In Stock
 $13.58
In Stock
 $13.58
4
O-ring Seal 18x3
 $3.99

Part Number:9.081-421.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
5
Spare Parts Set Valve
 $10.40

Part Number:9.001-149.0

In Stock

In Stock
 $10.40
In Stock
 $10.40
6
Metal Fork
 $3.99

Part Number:9.039-148.0

In Stock

In Stock
 $3.99
In Stock
 $3.99
7
Connection Delivery Side
 $12.05

Part Number:9.036-703.0

In Stock

In Stock
 $12.05
In Stock
 $12.05
8
Inlet Elbow
 $24.20

Part Number:9.001-187.0

In Stock

In Stock
 $24.20
In Stock
 $24.20
10
Suction Connection
 $19.00

Part Number:9.001-265.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $19.00
Usually ships in 7 - 12 business days
 $19.00
10
Suction Connection
 $25.79

Part Number:9.001-271.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $25.79
Usually ships in 7 - 12 business days
 $25.79
11
Sleeve Obsolete - Not Available
 $7.98

Part Number:9.036-444.0

Discontinued

Discontinued
 $7.98
Discontinued
12
O-ring D. 10 X 2 Nbr 70
 $4.99

Part Number:6.362-151.0

In Stock

In Stock
 $4.99
In Stock
 $4.99
14
Square Nut M4 -04-a2e Din 562
 $3.99

Part Number:7.311-569.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
15
Hose Dn 5
 $5.99

Part Number:6.388-216.0

Backorder: No ETA

Backorder: No ETA
 $5.99
Backorder: No ETA
 $5.99
16
Filter With Weight
 $31.14

Part Number:5.731-652.0

In Stock

In Stock
 $31.14
In Stock
 $31.14
17
Supporting Disk
 $3.99

Part Number:9.036-322.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
18
Grooved Ring
 $5.37

Part Number:6.362-875.0

In Stock

In Stock
 $5.37
In Stock
 $5.37
20
Spare Parts Set Cylinder Head
 $45.73

Part Number:9.001-105.0

In Stock

In Stock
 $45.73
In Stock
 $45.73
24
Form Seal
 $4.99

Part Number:9.081-422.0

In Stock

In Stock
 $4.99
In Stock
 $4.99
25
Spare Parts Set Control Head
 $40.98

Part Number:9.001-104.0

In Stock

In Stock
 $40.98
In Stock
 $40.98
26
Cover
 $12.32

Part Number:9.039-117.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $12.32
Usually ships in 7 - 12 business days
 $12.32
27
Cylinder Head Screw M8x25 -8.8
 $3.99

Part Number:7.306-042.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
32
Injector Complete
 $20.36

Part Number:9.001-108.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $20.36
Usually ships in 7 - 12 business days
 $20.36
34
Spring
 $3.99

Part Number:9.047-026.0

In Stock

In Stock
 $3.99
In Stock
 $3.99
35
Cage Complete Obsolete - Not Available
 $7.91

Part Number:9.001-107.0

Discontinued

Discontinued
 $7.91
Discontinued
38
Joining Piece
 $13.58

Part Number:9.001-106.0

In Stock

In Stock
 $13.58
In Stock
 $13.58
Page C
Karcher K 3.99M-Plus (1.423-235.0) Pressure Washer Page C Diagram
 Fig #
2
Spring
 $3.99

Part Number:9.047-023.0

Backorder: No ETA

Backorder: No ETA
 $3.99
Backorder: No ETA
 $3.99
3
Piston Complete
 $57.41

Part Number:9.001-102.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $57.41
Usually ships in 7 - 12 business days
 $57.41
4
O-ring Seal 70x2-nbr70
 $3.99

Part Number:9.081-373.0

In Stock

In Stock
 $3.99
In Stock
 $3.99
5
Thrust Guidance
 $39.38

Part Number:9.001-101.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $39.38
Usually ships in 7 - 12 business days
 $39.38
6
Grooved Ring
 $5.37

Part Number:6.964-026.0

In Stock

In Stock
 $5.37
In Stock
 $5.37
7
Cylinder Head Screw M8x25 -8.8
 $3.99

Part Number:7.306-042.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
Page D
Karcher K 3.99M-Plus (1.423-235.0) Pressure Washer Page D Diagram
 Fig #
0
Motor Complete
 $330.39

Part Number:9.001-237.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $330.39
Usually ships in 7 - 12 business days
 $330.39
1
Housing Blower
 $13.55

Part Number:6.964-090.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $13.55
Usually ships in 7 - 12 business days
 $13.55
2
Hexagonal Head Screw
 $26.48

Part Number:6.304-176.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $26.48
Usually ships in 7 - 12 business days
 $26.48
3
Blower Wheel
 $7.27

Part Number:9.039-102.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $7.27
Usually ships in 7 - 12 business days
 $7.27
4
Viscous Oil 50ml
 $19.12

Part Number:6.964-092.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $19.12
Usually ships in 7 - 12 business days
 $19.12
6
Rotary Shaft Seal
 $32.04

Part Number:9.078-004.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $32.04
Usually ships in 7 - 12 business days
 $32.04
9
Wobble Plate Screw M8x16
 $3.99

Part Number:9.086-169.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
10
Wobble Plate 8 40
 $79.88

Part Number:9.039-098.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $79.88
Usually ships in 7 - 12 business days
 $79.88
11
Serrated Lock Washer A8,4-fst-
 $3.99

Part Number:7.312-233.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
12
Joint Ring
 $11.62

Part Number:5.363-466.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $11.62
Usually ships in 7 - 12 business days
 $11.62
Page E
Karcher K 3.99M-Plus (1.423-235.0) Pressure Washer Page E Diagram
 Fig #
0
G 160 Pistol
 $52.45

Part Number:2.641-959.0

In Stock

In Stock
 $52.45
In Stock
 $52.45
1
Clamp
 $4.99

Part Number:5.037-137.0

In Stock

In Stock
 $4.99
In Stock
 $4.99
2
Pressure Spring
 $3.99

Part Number:5.332-464.0

In Stock

In Stock
 $3.99
In Stock
 $3.99
3
Spare Part Set O-ring 5x -kae
 $6.48

Part Number:2.880-990.0

In Stock

In Stock

Note: (5 Pack)
 $6.48
In Stock
 $6.48
4
Hk 12 High Pressure Hose Set+t
 $186.43

Part Number:2.643-909.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $186.43
Usually ships in 7 - 12 business days
 $186.43
5
O-ring Seal 6x2 90 Shore Pur
 $3.99

Part Number:6.363-198.0

In Stock

In Stock
 $3.99
In Stock
 $3.99
Page F
Karcher K 3.99M-Plus (1.423-235.0) Pressure Washer Page F Diagram
 Fig #
1
Wb 60 Soft Washing Brush
 $38.02

Part Number:2.643-233.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $38.02
Usually ships in 7 - 12 business days
 $38.02
2
O-ring Seal Set
 $8.71

Part Number:2.640-729.0

In Stock

In Stock

Note: Seal Set For The Wand
 $8.71
In Stock
 $8.71
3
Quadruple Nozzle Packaged 030
 $109.16

Part Number:4.760-480.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $109.16
Usually ships in 7 - 12 business days
 $109.16
4
Vps Wand Obsolete - Not Available
 $56.17

Part Number:4.760-731.0

Discontinued

Discontinued
 $56.17
Discontinued
5
Db 120 Dirt Blaster (packaged)
 $56.49

Part Number:2.642-727.0

In Stock

In Stock
 $56.49
In Stock
 $56.49
Page G
Karcher K 3.99M-Plus (1.423-235.0) Pressure Washer Page G Diagram
 Fig #
4
Water Filter Complete Packaged
 $9.40

Part Number:2.642-794.0

In Stock

In Stock
 $9.40
In Stock
 $9.40
5
Flat Gasket
 $4.99

Part Number:5.364-129.0

In Stock

In Stock
 $4.99
In Stock
 $4.99
Page H
Karcher K 3.99M-Plus (1.423-235.0) Pressure Washer Page H Diagram
 Fig #
1
Cover Electric Box *usa Obsolete - Not Available
 $25.29

Part Number:9.011-382.0

Discontinued

Discontinued
 $25.29
Discontinued
2
Screw M4x10 -st-p2r (in6rd)
 $3.99

Part Number:7.303-031.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
3
Capacitor 60uf (6.661-196)
 $38.99

Part Number:9.760-205.0

In Stock

In Stock
 $38.99
In Stock
 $38.99
4
Housing Electric Box Abs *usa
 $14.92

Part Number:9.036-426.0

In Stock

In Stock
 $14.92
In Stock
 $14.92
5
O-ring Seal 32,99x 2,62
 $3.99

Part Number:6.964-029.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
6
Wire Protecting Sleeve Obsolete - Not Available
 $3.99

Part Number:9.048-011.0

Discontinued

Discontinued
 $3.99
Discontinued
8
Switch 16a 3/4hf
 $8.07

Part Number:9.085-034.0

In Stock

In Stock
 $8.07
In Stock
 $8.07
9
Switch 16a 3/4hf
 $8.07

Part Number:9.085-034.0

In Stock

In Stock
 $8.07
In Stock
 $8.07
10
Motor Protecting Switch 15a
 $54.31

Part Number:9.085-032.0

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $54.31
Usually ships in 7 - 12 business days
 $54.31
15
Push Button Obsolete - Not Available
 $3.99

Part Number:9.036-818.0

Discontinued

Discontinued
 $3.99
Discontinued
 Fig #
Pressure Washer Parts

Repair Guides for Karcher Pressure Washer K 3.99M-Plus (1.423-235.0)

How to Start a Pressure Washer

Prevent pressure washer performance problems with this video's steps for correct pressure washer setup. Correctly clearing air from your pressure washer also prevents damage.

How to Replace the Spill Valve on a Karcher Pressure Washer

This video will help you fix a common problem with pressure washers: the spill valve. This part is responsible for most of the pressure-related problems you will have with pressure washers.

How to Diagnose Pressure Washers

This video explains what pressure washer users need to know to maintain and diagnose pressure washer performance issues.

How to Winterize Power Tools and Machines

This video explains how to properly winterize power tools and machines for winter storage, increasing the life and performance of seasonal tools.

Questions & Answers for Karcher K 3.99M-Plus (1.423-235.0)

washer will not shutoff, when up to pressure
pete for model number k 3. 99 m asked on 2022-09-06
Hi Pete, Thank you for your question. If your pressure washer will not shut off once it reaches pressure, there are some parts that you will need to check to see which one is causing the issue. You will need to check the check valve and the pressure wand. We have included a link that you may reference on how to check these parts, https://www.fix.com/repair/power-tool/pressure-washer/cannot-shut-off-pressure/. Once you have determined the part you need, please feel free to call customer service. We are open 7 days a week and anyone will be happy to assist you. We look forward to hearing from you!
eReplacementParts Team September 06, 2022
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