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9917401-1-M-Karcher-2.640-729.0-O-Ring Seal Set
Part Location Diagram of 2.640-729.0 Karcher O-Ring Seal Set
See part G-4 in the diagram
( Grid squares measure 1x1 inch )
9917401-1-S-Karcher-2.640-729.0-O-Ring Seal Set Part Location Diagram of 2.640-729.0 Karcher O-Ring Seal Set

O-Ring Seal Set 2.640-729.0

Manufactured by:
Karcher
ERP Number:
ERP9917401
Part Number:
2.640-729.0
Original Equipment Manufacturer ?
$12.37
In Stock
Delivers in 3-5 Business Days!

Easy 

Less than 15 mins 

(1 rated repair) ?

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Frequently Purchased Together Troubleshooting Questions & Answers Repair Instructions Model Cross Reference

Frequently Purchased Together

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Grooved Ring
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(6)
$7.36
In Stock
Minimum Quantity of 2 required

Troubleshooting

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

Questions & Answers

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This part, #9.036-703.0, looks fine and doesn't leak, yet I don't have pressure. I don't understand why this part would be the problem?
Lyle For model number K3.450 - January 3, 2024

Hello Lyle, Thank you for asking. %39 of the time previous customers replaced this part for no pressure. In these cases the part was more then likely damaged or worn. If yours is fine, we suggest checking the next suggested parts, O-ring Seal Set 2.640-729.0. We hope this helps!

eReplacementParts Team
January 3, 2024

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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.

Easy 

Less than 15 mins 

(1 rated repair) ?
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Sorry, we couldn't find any existing installation instruction that matched.

Leaking

Renee from Philadelphia, Pennsylvania

4 of 4 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Parts Used:
6.365-393.0, 2.640-729.0
Changed a few o-rings and everything is fine now.
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Model Cross Reference

This part works with the following models:
ERP Number: ERP9917401
Manufacturer Part Number: 2.640-729.0
Brand Model Number Description
Karcher 1855-8700 Pressure Washer - Karcher Pressure Washer Model 1.855-870.0 (18558700, 1 855 870 0) Parts
Karcher 1855-9400 Pressure Washer - Karcher Pressure Washer Model 1.855-940.0 (18559400, 1 855 940 0) Parts
Karcher 1855-9500 Pressure Washer - Karcher Pressure Washer Model 1.855-950.0 (18559500, 1 855 950 0) Parts
Karcher DB1100 Pressure Washer - Pressure Washer
Karcher DB1200 Pressure Washer - Pressure Washer
Karcher G1800LB Pressure Washer - Pressure Washer
Karcher G2000QT Pressure Washer - Pressure Washer
Karcher G2300IB Pressure Washer - Pressure Washer
Karcher G2301LT Pressure Washer - Pressure Washer
Karcher K1100 Pressure Washer - Pressure Washer
Karcher K1200G Pressure Washer - Pressure Washer
Karcher K1250 Pressure Washer - Pressure Washer
Karcher K1300Plus Pressure Washer - Pressure Washer
Karcher K1302-PL Pressure Washer - Pressure Washer
Karcher K1350-PL-WB Pressure Washer - Pressure Washer
Karcher K1400-4F-TR Pressure Washer - Pressure Washer
Karcher K1400-4F-WB Pressure Washer - Pressure Washer
Karcher K1500G Pressure Washer - Pressure Washer
Karcher K1600-PL-WB Pressure Washer - Pressure Washer
Karcher K1750G Pressure Washer - Pressure Washer
Karcher K1750GM Pressure Washer - Pressure Washer
Karcher K1800AB Pressure Washer - Pressure Washer
Karcher K1800G Pressure Washer - Pressure Washer
Karcher K1800GM Pressure Washer - Pressure Washer
Karcher K1800IB Pressure Washer - Pressure Washer
Karcher K2000G Pressure Washer - Pressure Washer
Karcher K2000GM Pressure Washer - Pressure Washer
Karcher K201 Pressure Washer - Pressure Washer
Karcher K201-Plus Pressure Washer - Pressure Washer
Karcher K205M-PLMO Pressure Washer - Pressure Washer
O-Ring Seal Set
$ 12.37
In Stock
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Stock Status
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