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Home › Collections › Karcher Pressure Washer Not Working? Fixes and Parts

Karcher Pressure Washer Not Working? Fixes and Parts

17 products, sold by My Tool Shed

Compare the Products in This Guide

All 17 products in this collection, cheapest first. Use the filters to narrow them down.

Last Updated: 11/11/2026 Ranked on the maker's specs and price
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Showing 5 of 17 products

Karcher Genuine O Ring Set for K Pressure Washers

01
My Tool Shed image 1
Karcher
29% Off Spare part Fits K2, K3, K4, K5 +1 K 2 to K 7 series

Why it stands out

  • Genuine Karcher parts
  • O rings and safety plugs
  • Fits K 2 to K 7
£11.95
Was £16.79
View Deal

Karcher Anti Twist Hose Adaptor for K Pressure Washers

02
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Karcher
35% Off Adaptor Fits K4, K5, K7 Karcher Quick Connect (K) Quick Connect

Why it stands out

  • Anti-twist hose design
  • High quality brass parts
  • Quick Connect fitting
£17.95
Was £27.59
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Karcher Quick Connect Adaptor for Older Screw Type HD and XPERT Pressure Washers (Not Easy!Lock)

03
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Karcher
35% Off Adaptor Fits K2, K3, K4, K5 +3 Screw thread to Karcher Quick Connect (not Easy!Lock) Two-part adaptor set

Why it stands out

  • Two-part adaptor set
  • Screw thread to Quick Connect
  • Fits K2 to K7 and K Mini
£21.95
Was £33.59
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Karcher Vario Joint 180 Degree Swivel Adaptor for K2 to K7 Pressure Washers

04
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Karcher
34% Off Adaptor Fits K2, K3, K4, K5 +1 Karcher Quick Connect (K) 180 degree swivel joint

Why it stands out

  • 180 degree rotation
  • Quick Connect fitting
  • Fits K2 to K7 washers
£22.95
Was £34.79
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Karcher Eco!Booster Nozzle for K 4 Pressure Washers

05
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Karcher
Nozzle Fits K4 Fits Karcher K 4 washers

Why it stands out

  • 50% higher cleaning performance
  • Same water and energy
  • Suits paint and wood
£28.95
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Karcher Eco!Booster Nozzle for K 5 Pressure Washers

06
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Karcher
Nozzle Fits K5 Fits Karcher K 5 washers

Why it stands out

  • 50% higher cleaning performance
  • Same water and energy
  • Suits paint and wood
£28.95
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Karcher Eco!Booster Nozzle for K 7 Pressure Washers

07
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Karcher
Nozzle Fits K7 Fits Karcher K 7 washers

Why it stands out

  • 50% higher cleaning performance
  • Same water and energy
  • Suits paint and wood
£28.95
View Deal

Karcher Eco!Booster 120 Nozzle 2.644-551.0 for K2 and K3 Pressure Washers

08
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Karcher
Nozzle Fits K2, K3 452 x 104 x 42mm

Why it stands out

  • 50% higher efficiency
  • 25% lower noise
  • Gentle on paint and wood
£28.95
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Karcher Dirt Blaster for Full Control K2 - K4 Pressure Washers

09
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Karcher
Nozzle Fits K2, K3, K4 Bayonet connection Fits Full Control K2 to K4

Why it stands out

  • Rotary spray lance
  • Fits Full Control K2 to K4
  • Rotating point jet
£32.95
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Karcher DB 145 Full Control Dirt Blaster Lance for K4 - K5 Pressure Washers

10
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Karcher
Nozzle Fits K4, K5 Bayonet connection 450mm lance

Why it stands out

  • Rotating point jet
  • Fits K4 and K5 classes
  • Bayonet connection
£32.95
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Karcher HK 7.5 High Pressure Hose Upgrade Kit for K Models

11
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Karcher
Hose Fits K2, K3, K4, K5 +1 Karcher Quick Connect (K) 7.5m 7.5 m hose

Why it stands out

  • 7.5 m high pressure hose
  • Quick Connect system
  • New trigger gun included
£43.95
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Karcher 9m High Pressure Hose for K3 to K7 Pressure Washers

12
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Karcher
Hose Fits K2, K3, K4, K5 +1 Karcher Quick Connect (K) Up to 160 bar 9m 9m hose

Why it stands out

  • 9 metre hose
  • Quick Connect fittings
  • Rated to 160 bar
£44.95
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Karcher MP 160 Multi Power Jet Nozzle for K7 Pressure Washers

13
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Karcher
Nozzle Fits K7 Premium Ecologic Home, K7 Premium Full Control Home 5 jets in 1 nozzle

Why it stands out

  • Five jet types in one
  • Twist to select jet
  • Rotary and pencil jets
£47.95
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Karcher MP 145 Multi Power Jet Nozzle 5-in-1 Spray Lance

14
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Karcher
Nozzle Fits K3, K4, K5, K7 Karcher Quick Connect (K) 5 jets in 1 lance

Why it stands out

  • 5 spray types in one lance
  • Twist to select the jet
  • Cleaning agent jet included
£47.95
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Karcher 10m High Pressure Hose for K4 to K7 Hose Reel Washers

15
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Karcher
Hose Fits K4, K5, K7 Karcher Quick Connect (K) 10m 10m hose

Why it stands out

  • 10 metre hose
  • For hose reel washers
  • Quick Connect fittings
£47.95
View Deal

Karcher HK 12 High Pressure Hose Upgrade Kit for K Models

16
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Karcher
Hose Fits K2, K3, K4, K5 +1 Screw thread with Quick Connect adapter 12m 12 m hose

Why it stands out

  • 12 m hose and handgun
  • Quick Connect adapter
  • Fits K2 to K7 models
£52.95
View Deal

Karcher H10 Q Anti Twist 10m High Pressure Hose for K2 to K5

17
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Karcher
Hose Fits K2, K3, K4, K5 Karcher Quick Connect (K) Up to 180 bar 10m 10m hose

Why it stands out

  • Patented anti-twist system
  • 10 metre length
  • Quick Connect fittings
£56.95
View Deal
Showing 1–17 of 17 products
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My Tool Shed image 1
Karcher HK 12 High Pressure Hose Upgrade Kit for K Models
Hose · Fits K2, K3, K4...
£52.95
View Details
My Tool Shed image 1
Karcher HK 7.5 High Pressure Hose Upgrade Kit for K Models
Hose · Fits K2, K3, K4...
£43.95
View Details
Save 34%
My Tool Shed image 1
Karcher Vario Joint 180 Degree Swivel Adaptor for K2 to K7 Pressure Washers
Adaptor · Fits K2, K3, K4...
£22.95 £34.79
View Details
Save 35%
My Tool Shed image 1
Karcher Quick Connect Adaptor for Older Screw Type HD and XPERT Pressure Washers (Not Easy!Lock)
Adaptor · Fits K2, K3, K4...
£21.95 £33.59
View Details
Save 35%
My Tool Shed image 1
Karcher Anti Twist Hose Adaptor for K Pressure Washers
Adaptor · Fits K4, K5, K7
£17.95 £27.59
View Details
Save 29%
My Tool Shed image 1
Karcher Genuine O Ring Set for K Pressure Washers
Spare part · Fits K2, K3, K4...
£11.95 £16.79
View Details
My Tool Shed image 1
Karcher H10 Q Anti Twist 10m High Pressure Hose for K2 to K5
Hose · Fits K2, K3, K4...
£56.95
View Details
My Tool Shed image 1
Karcher 10m High Pressure Hose for K4 to K7 Hose Reel Washers
Hose · Fits K4, K5, K7
£47.95
View Details
My Tool Shed image 1
Karcher 9m High Pressure Hose for K3 to K7 Pressure Washers
Hose · Fits K2, K3, K4...
£44.95
View Details
My Tool Shed image 1
Karcher MP 145 Multi Power Jet Nozzle 5-in-1 Spray Lance
Nozzle · Fits K3, K4, K5...
£47.95
View Details
My Tool Shed image 1
Karcher MP 160 Multi Power Jet Nozzle for K7 Pressure Washers
Nozzle · Fits K7 Premium Ecologic Home, K7 Premium Full Control Home
£47.95
View Details
My Tool Shed image 1
Karcher Dirt Blaster for Full Control K2 - K4 Pressure Washers
Nozzle · Fits K2, K3, K4
£32.95
View Details
My Tool Shed image 1
Karcher DB 145 Full Control Dirt Blaster Lance for K4 - K5 Pressure Washers
Nozzle · Fits K4, K5
£32.95
View Details
My Tool Shed image 1
Karcher Eco!Booster Nozzle for K 7 Pressure Washers
Nozzle · Fits K7
£28.95
View Details
My Tool Shed image 1
Karcher Eco!Booster Nozzle for K 5 Pressure Washers
Nozzle · Fits K5
£28.95
View Details
My Tool Shed image 1
Karcher Eco!Booster Nozzle for K 4 Pressure Washers
Nozzle · Fits K4
£28.95
View Details
My Tool Shed image 1
Karcher Eco!Booster 120 Nozzle 2.644-551.0 for K2 and K3 Pressure Washers
Nozzle · Fits K2, K3
£28.95
View Details