Easy
30-60 minutes
This plastic washer goes next to the rubber washer and the grooved ring and is sold individually. This is a genuine Karcher replacement part that is sourced from the original manufacturer for use with pressure washers. A screwdriver, a set of pliers, and a hammer may all be needed during the replacement of this part.
Washer 5.115-903.0
OEM part for: Karcher
Part Number: 5.115-903.0
$4.99
In Stock
Ships within 1 business day 
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Compatibility
This part will fit the following 20 machines
Karcher
G 1800 LB (1.133-124.0) Gas Pressure Washer View Diagrams & Manuals
K 4000 G (1.133-201.0) Pressure Washer View Diagrams & Manuals
K 1800 G (1.133-209.0) Pressure Washer View Diagrams & Manuals
K 5000 G (1.133-109.0) Pressure Washer View Diagrams & Manuals
K 1800 G (1.133-114.0) Pressure Washer View Diagrams & Manuals
K 2200 G (1.133-115.0) Pressure Washer View Diagrams & Manuals
K 1800 IB (1.133-121.0) Pressure Washer View Diagrams & Manuals
K 1800 AB (1.133-122.0) Pressure Washer View Diagrams & Manuals
K 2200 IB (1.133-211.0) Pressure Washer View Diagrams & Manuals
G 2301 LT (1.133-213.0) Pressure Washer View Diagrams & Manuals
G 2300 IB (1.133-214.0) Pressure Washer View Diagrams & Manuals
G 2000 QT (1.133-601.0) Pressure Washer View Diagrams & Manuals
G2500PH (11944010) Pressure Washer View Diagrams & Manuals
G 2500 VH (11944020) (Version 1) Pressure Washer View Diagrams & Manuals
G 2500 LH (11944030) Pressure Washer View Diagrams & Manuals
G 2600 VH (11944040) Pressure Washer View Diagrams & Manuals
G 2000 MK (11336210) Pressure Washer View Diagrams & Manuals
G 2000 ET (11336200) Pressure Washer View Diagrams & Manuals
G 2600 PH (11944050) Pressure Washer View Diagrams & Manuals
K4400G (1.133-208.0) Pressure Washer View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Pressure Washer Parts
This part replaces obsolete part #: 063-552
Customer Part Reviews ?
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went on like it should
all items I ordered went in but the pump for this pressure washer is still leaking. Too bad I can't get the whole pump assembly
Johnny -
May 31, 2023
Verified Purchase
Saved me $$
I thought I was going to have to either overhaul the water pump or buy a new pressure washer. These did the job and saved me lots of $$. Thanks!
Guest -
July 31, 2019
Verified Purchase
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t days ago
Verified Purchase
eReplacementParts Team
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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.
Pressure washer high pressure hose connection broke at the pump. The pump threaded connection broke off.
Hector - July 22, 2020
Tool Type
Pressure Washer
Difficulty
Medium
Time
1-2 hours
Tools Used
Screwdriver, Pliers, Socket set, Adjustable Wrench, Allen Wrench Set
1. Removed Pump from engine.
2. Disassembled pump and inspected all parts.
3. Ordered a new pump rebuild kit, cylinder head (Part that broke),valves, and bearings.
4. Reassembled pump and filled with oil.
5. Reinstalled rebuilt pump on engine.
Works great again!
2. Disassembled pump and inspected all parts.
3. Ordered a new pump rebuild kit, cylinder head (Part that broke),valves, and bearings.
4. Reassembled pump and filled with oil.
5. Reinstalled rebuilt pump on engine.
Works great again!
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Pressure washer lost pressure
James - June 12, 2018
Tool Type
Pressure Washer
Difficulty
Easy
Time
1-2 hours
Tools Used
Screwdriver, Pliers, Socket set, Wrench Set
I followed the instructional video for my model of pressure washer step by step and the repair went very easily. I removed the pump from the drive shaft and took it apart, removed all of the parts that needed to be replaced, cleaned the pump housing parts, put in the new parts, filled it with new pump oil, reassembled the pump and connected it to the power shaft.
It now runs like new.
I found the instructional video a great help and couldn't have done it in the short time it took.
It now runs like new.
I found the instructional video a great help and couldn't have done it in the short time it took.
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Pressure washer was pulsating and not generating the right pressure
James - September 1, 2016
Tool Type
Pressure Washer
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Pliers, Hammer of course!
Parts Used
Rebuilt the pump.
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Our product descriptions are a combination of data sourced directly from the manufacturers who made your product as well as content researched and curated by our content & customer service teams. This content is edited and reviewed internally before being made public to customers.
Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.
