Easy
Less than 15 minutes
It is a genuine manufacturer-supplied part that is specially designed for Chapin equipment. This check valve fits on the bottom of the air pump and it helps to pressurize the tank by preventing air backflow through the pump. If the part is damaged or is missing, this will provide an identical replacement for the original component that was installed on a new unit. The check valve is made of durable rubber material and is sold as an individual item. Check the owner's manual for your model to ensure the correct application.
Check Valve 6-4324
OEM part for: Chapin, Craftsman
Part Number: 6-4324
$14.43
In Stock
Ships within 1 business day 
Compatibility
This Check Valve will fit the following 35 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Craftsman
Show More Compatible ModelsThis item works with the following types of products:
- Paint Sprayer Parts
- Compressor Parts
This part replaces obsolete part #: 1-4324
Customer Part Reviews ?
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Obsolete air pump repair
I was trying to repair my old antique garden sprayer's air pump. I could not find any parts on the Webb for the model that I have, how ever you had a part that matched the defective part that I needed to replace. Thank you for being there for me.
Jim -
February 25, 2023
Verified Purchase
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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.
Air pump was severly degraded due to old age
Jim - February 27, 2023
Tool Type
Compressor
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, A simple dowel rod
Parts Used
Completely disassembled the air pump , cleaned all of the parts. Replaced the damaged parts, reassembled the unit to full operation.
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check valve needed replace. Repair and issue done
Phil - October 9, 2020
Tool Type
Paint Sprayer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, No tools needed. Insert check valve only
Parts Used
No problems. A simple fix. works well and no more issues
Chris was my rep. All went well and my rep knew exactly what was needed. Please pass my thank you on to Chris. Thanks
Chris was my rep. All went well and my rep knew exactly what was needed. Please pass my thank you on to Chris. Thanks
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Thanks for voting and helping fellow customers!
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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.
