Easy
15-30 minutes
This filter is a genuine OEM replacement part supplied directly from the manufacturer. It is customarily used in pressure washers from brands such as Ridgid, Ryobi, and Homelite. This part is a filter for the injection hose. In order to use detergent with this machine, the filter must be attached to the injection hose and placed in the bottle of detergent. It is made of plastic and requires a screwdriver to install.
Filter (injection Hose) 518391001
OEM part for: Ridgid, Ryobi, Homelite
Part Number: 518391001
$5.19
In Stock
Ships within 1 business day 
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Compatibility
This Filter (injection Hose) will fit the following 89 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Displaying 20 of 89 matching models.
89 total model matches. Try the above search to narrow your results.
This is the official OEM part for the following brands:
- Homelite
- Husky
- Ridgid
- Ryobi
This item works with the following types of products:
- Pressure Washer
Customer Part Reviews ?
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Perfect fit
Perfect fit replacement part. Exactly what I needed
Guest -
May 28, 2019
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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 was not idling down even when I released the handle
Matthew - May 28, 2019
Tool Type
Pressure Washer
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Socket set, Wrench Set
Repair was easy. Just unhooked the cable from the idle kick down. Remove bolt holding kick down, then replace with new kick down. Still had issue but it was with pressure let off. Still working on that issue.
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Chemical injector was broke
DeWayne - August 22, 2018
Tool Type
Pressure Washer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Adjustable Wrench
1. Removed old injector, spring and plunger from pressure washer.
2. Removed spring and plunger from old injector.
3. Installed spring and plunger in new injector.
4. Installed new injector with spring and plunger into the pressure washer.
2. Removed spring and plunger from old injector.
3. Installed spring and plunger in new injector.
4. Installed new injector with spring and plunger into the pressure washer.
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OEM stands for Original Equipment Manufacturer and means the part you’re buying is sourced directly from the manufacturer who made your product. At eReplacementParts, we sell only genuine OEM parts, guaranteeing the part you’re purchasing is of better design and of higher quality than aftermarket parts.
Learn MoreOur 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.
