Part Location Diagram of 6.365-438.0 Karcher Compact Seal
See part C-20 in the diagram
( Grid squares measure 1x1 inch )

Compact Seal 6.365-438.0

Manufactured by:
Karcher
ERP Number:
ERP9984418
Part Number:
6.365-438.0
Original Equipment Manufacturer ?
In Stock
Delivers in 3-5 Business Days!

Difficult 

1- 2 hours 

(3 rated repairs) ?

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Product Description

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This is a genuine Karcher part. The plastic, compact seal is compatible with many pressure washer machines. The seal is often fitted between the housing low pressure seal and the back ring low pressure seal. Please refer to specific manual and diagrams for repair instructions. This item is used to help prevent lubricant leakage, protect bearings and rotating shafts. The compact seal is sold individually, and a screwdriver is often needed to make the replacement.

Frequently Purchased Together

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Troubleshooting

This part works with the following brands:
  • Karcher
This part works with the following products:
  • Pressure Washer

Customer Part Reviews

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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.

Difficult 

1- 2 hours 

(3 rated repairs) ?
  • 1
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pressure washer leaking

EVERETTE from Nevis, Minnesota

1 person found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
1- 2 hours
Tools:
Nutdriver, Pliers, Screw drivers, Socket set
watched and followed youtube videos for the repairs.
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the water seals in the pump head were leaking

Kendall from Lynnville, Iowa

0 of 1 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
30 - 60 mins
Tools:
Pliers, Wrench set
Parts Used:
6.365-438.0
removed the pump head. took the seals out of the head and the second set is inside the brass rings in the pump body. pay attention to the lip of the seal to make sure you install the new seals the same way.the The new seals I got for the brass rings, were difficult to tell which way to install. They were a different style, but they worked . I also ordered new o rings for the brass rings and made sure the cooling/lube holes were open in the brass rings as well, It does take a bit of work to get the seals down into the holes of the pump head. Just don\'t damage the fine outside lip of the seal. Be sure to turn the water on to the pump before starting it up, don\'t want to run it dry on first start up. Worked good and did not leak.
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leaking water into oil

ab from DESOTO, Wisconsin

0 of 1 people found this instruction helpful.
Difficulty Level:
Very Difficult
Total Repair Time:
1- 2 hours
Tools:
Pliers, Screw drivers, Wrench set
Parts Used:
7.367-018.0, 6.365-438.0
Drain oil Removed pump and pump head, separated the two, removed old seals and grooved washers from pump and pump head-installed new ones,careful to not force anything, select proper sized socket use to seat seals and washers, use bolts and spacers to collapse pumd springs, install short star screws,work pump shafts into pressure head sea ls and reassemble. Add oil /finish.
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  • 1