Part Location Diagram of 6.964-026.0 Karcher Grooved Ring
See part D-6 in the diagram
( Grid squares measure 1x1 inch )

Grooved Ring 6.964-026.0

Manufactured by:
Karcher
ERP Number:
ERP9984588
Part Number:
6.964-026.0
Original Equipment Manufacturer ?
  Works with your model  K593MPLUS!
Special Order
Minimum Quantity of 2 required

A Bit Difficult 

15 - 30 mins 

(3 rated repairs) ?
  Works with your model   K593MPLUS!

Product Description

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This grooved ring seal is an authentic OEM replacement part used in pressure washers. It is a rubber seal with a diameter of 0.8 inches. The ring seal is found in the motor housing, where it helps to maintain the correct pressure preventing the water from leaking out of the pump housing. It also prevents water from entering the housing and causing damage. Over time the seal may wear down, tear, or fall off leading to leakages and potential contamination. Inspect all the seals in your equipment as they tend to wear down at the same time and replace those that are no longer functioning well. Begin the repair by switching off the equipment. Remove the motor/pump housing and locate the faulty seal. Gently pry it off the cylinder head and discard it. Clean the mounting surface and press the new ring seal into the grooves until it is firmly in place. Reattach the housing to complete the repair. Each grooved ring seal is sold separately.

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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5.0
Average Rating (out of 5):
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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.

A Bit Difficult 

15 - 30 mins 

(3 rated repairs) ?
  • 1
Sort by:  
Sorry, we couldn't find any existing installation instruction that matched.

Seals leaking

alfonso from dallas, Texas

2 of 2 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
15 - 30 mins
Tools:
Pliers, Screw drivers, Socket set, Wrench set
Parts Used:
6.964-026.0
Remove the pump cylinder head assembly. Then remove the grooved ring seals. Look how they are installed, so when you install the new seals, they are in the correct way.
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My Karcher pressure washer would not shut off

Richard from Palm Bay, Florida

1 person found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
Parts Used:
6.964-026.0
Disassembled plastic housing using torx T-15 screw driver and #2 Phillip screw driver
disassembled hose fitting head piece by removing 4 Allen bolts
Gently separated the head piece from the pump motor housing
replaced the 3 old seals with the new ones observe orientation and be sure to lubricate new seals when installing to prevent damage during installation.
Reassemble in reverse process
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replaced broken rubber washers

Walter from TUCSON, Arizona

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
Parts Used:
6.964-026.0
remove the broken rubber washer and two others so all three washers were new.
reinstall the body of the washer and all done, tested no leaks so works perfect.
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  • 1

Model Cross Reference

This part works with the following models:
ERP Number: ERP9984588
Manufacturer Part Number: 6.964-026.0
Brand Model Number Description
Karcher 1141-9680 Pressure Washer - Karcher Pressure Washer Model 1.141-968.0 (11419680, 1 141 968 0) Parts
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Karcher K330M Pressure Washer - Pressure Washer
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Karcher K330M-Plus Pressure Washer - Pressure Washer
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Karcher K391M Pressure Washer - Pressure Washer
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