Medium
30-60 minutes
It is an authentic manufacturer-sourced replacement gasket which is specially designed for use with DeWALT air compressors. This carburetor gasket provides an air-tight seal for the cylinder, over time gaskets tend to wear out and may crack eventually requiring a replacement. It is made of high-quality composite material and is sold individually.
Gasket 5140026-39
OEM part for: DeWALT
Part Number: 5140026-39
$4.99
In Stock
Ships within 1 business day 
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Compatibility
This Gasket will fit the following 15 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Displaying 12 of 15 matching models.
DeWALT
Show More Compatible Models15 total model matches. Try the above search to narrow your results.
This is the official OEM part for the following brands:
- DeWALT
This item works with the following types of products:
- Compressor
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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.
reed valve on dealt compressor broken
Philip - August 31, 2019
Tool Type
Compressor
Difficulty
Medium
Time
15-30 minutes
Tools Used
Socket set, Wrench Set
Parts Used
removed cylinder head and valve plate, gaskets
replaced reed valve with new part
reassembled with new gasket, valve assembly, original cylinder head.
tested compressor, checked for correct pressures when unit cycles
replaced reed valve with new part
reassembled with new gasket, valve assembly, original cylinder head.
tested compressor, checked for correct pressures when unit cycles
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Wouldn't build up pressure
Creel - April 25, 2019
Tool Type
Compressor
Difficulty
Easy
Time
1-2 hours
Tools Used
Socket set, Wrench Set
Put new gaskets etc.
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Compressor would not pump up to normal pressure
Robert - October 29, 2017
Tool Type
Compressor
Difficulty
Medium
Time
15-30 minutes
Tools Used
Socket set, Wrench Set
Pulled head off of compressor, inspected reed valves. One was broken. Replaced both valves and gaskets. Re assembled and tested.
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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.
