DORMAN/AUTOGRADE 490-022 Compression Fitting Union 019495486220 3/16

( Brand: Dorman/autograde ), ( Manufacturer Part Number: 490-022 ), ( Manufacturer Warranty: 1 Year ), ( California Prop 65 Warning: This Product Contains Chemicals Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. ), ( UPC: 019495486220 ), ( Type: Hardware, Fasteners And Fittings )

Review DORMAN/AUTOGRADE Compression Fittingunion 3/16 Inch

Introducing the Dorman/Autograde 490-022 Compression Fitting-Union, a versatile automotive part designed to ensure a secure and leak-free connection for cooling systems and other related applications. This compression fitting-union, specifically engineered for a 3/16 inch (0.1875 inches or 4.76 millimeters) inner diameter, is an essential component for various automotive repair and maintenance projects.

The Dorman/Autograde 490-022 is a compression fitting, meaning it utilizes the compressive force generated by tightening a nut to create a seal between the fitting and the pipe. The union design adds an extra layer of convenience, allowing for the easy connection and disconnection of two pipes without the need for soldering or brazing. This design feature is particularly valuable during maintenance and repair work, as it saves time and simplifies the process.

This compression fitting-union is manufactured from high-quality materials, ensuring its durability and resistance to corrosion. The union body is made of brass, while the compression ring is made of a strong, resilient material like stainless steel or bronze. These materials are known for their excellent resistance to the harsh conditions found in cooling systems, making this fitting an ideal choice for long-lasting performance.

The Dorman/Autograde 490-022 Compression Fitting-Union comes complete with all necessary components for a successful installation. Included in the package are the compression nut and washer, ensuring a complete and functional system right out of the box.

Installation of this compression fitting-union is a straightforward process. Simply slip the union over the pipe, align the threads of the compression nut with the threads of the pipe, and tighten the nut using a wrench or pipe wrench. As the nut is tightened, the compression ring inside the union compresses against the pipe, creating a tight seal.

In conclusion, the Dorman/Autograde 490-022 Compression Fitting-Union is an essential automotive part that delivers reliable sealing performance for cooling systems and other applications. Its union design allows for easy connection and disconnection, while its high-quality materials ensure durability and resistance to corrosion. With all necessary components included in the package and a simple installation process, this compression fitting-union is an excellent choice for any automotive repair or maintenance project.

Dorman/Autograde 490-022 Compression Fitting-Union (3/16): A Detailed Analysis

The Dorman/Autograde 490-022 is a compression fitting-union designed for automotive applications with a 3/16 inch (5.08mm) size. This component is used to join two pipes or hoses together in cooling systems, fuel systems, or other automotive applications. In this analysis, we will discuss the potential advantages and disadvantages of using the Dorman/Autograde 490-022 compression fitting-union (3/16).

1. Cost-effective: The Dorman/Autograde 490-022 compression fitting-union is an affordable option for repairing or replacing leaking or damaged connections in automotive systems. It is often less expensive than other more complex joining methods, such as welding or brazing.

2. Easy installation: The compression fitting-union design allows for easy installation without the need for specialized tools or extensive mechanical knowledge. It can be installed by tightening the nut on the fitting with a wrench or a socket and a ratchet.

3. Sealed connection: The compression fitting-union creates a sealed connection between the two pipes or hoses. This can help prevent leaks, which is crucial for maintaining the performance and reliability of the automotive system.

4. Reusable: The Dorman/Autograde 490-022 compression fitting-union can be reused, which can save time and money in the long run.

1. Requires proper sizing: It is essential to ensure that the pipes or hoses being joined have the correct inside diameter (ID) to fit the compression fitting-union. Improperly sized components can lead to leaks or other issues.

2. Limited temperature range: The Dorman/Autograde 490-022 compression fitting-union is not suitable for high-temperature applications. It should not be used in systems where the temperature exceeds 250 F (121 C).

3. Not suitable for dissimilar metals: The compression fitting-union should not be used to join dissimilar metals, such as copper and aluminum, as it can lead to galvanic corrosion.

The Dorman/Autograde 490-022 compression fitting-union (3/16) is a cost-effective and easy-to-install option for repairing or replacing leaking or damaged connections in automotive cooling systems, fuel systems, or other applications where the temperature does not exceed 250 F (121 C) and the components being joined are of similar materials. Its sealed connection and reusability make it a valuable addition to any automotive toolbox. However, it is crucial to ensure proper sizing and compatibility before installation to avoid potential issues.

Based on the analysis, we recommend using the Dorman/Autograde 490-022 compression fitting-union (3/16) for automotive applications where the temperature does not exceed 250 F (121 C) and the components being joined are of similar materials. Always double-check the sizing and compatibility before installation to ensure a successful repair or replacement.

Details:

part #: 490022 prices

• $35.03-$45.46

specifications toolssupp:

• brand: Dorman/autograde
• mpn: 490-022
• manufacturer warranty: 1 Year
• california prop 65 warning: This Product Contains Chemicals Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm.
• upc: 019495486220
• type: Hardware, Fasteners And Fittings

shipping toolssupp:

• cost: $0.00
• transit: 4-8 Days
• class: Economy, Standard, Expedited, One-day
• type: Fixed
• service: Economy, Standard, Expedited, Overnight

general toolssupp:

• Motors > Automotive Tools Supplies > Other Auto Tools Supplies
• condition: New

seller toolssupp:

• city: Colmar, Pennsylvania
• rating: 99.5%
• # reviews: 130400

returns toolssupp:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

offer toolssupp:

• availability: In Stock
• sold: 0
• quantity: 2
• started: March 15, 2026
• options: Ship-to-home

payments toolssupp:

• credit card: Diners-club
• other
• wallet: Apple-pay

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