Best Compression Fittings Deals of Nov 2026

Updated November 10, 2026Our site contains affiliate links for which we may be compensated.
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Taiidaues 46pcs Brass Compression Tube Pipe Fittings Assortment Kit | 1/8" 3/16" 1/4" 5/16" 3/8" 1/2" OD Compression Union Connector & Compression Sleeves Ferrules

【High Quality】 - Our brass compression fittings kit is made of high-quality brass, with strong wear, corrosion resistance, high compressive strength, durability, low magnetic permeability and high temperature ductility
【Widely Use】- Brass compression tube fittings meet specifications and standards of ASA, ASME asn SAE. Good sealing and repeatability, temperature and pressure resistance. Perfect fit for oil, gas, water and other non-corrosive or corrosive pipeline systems, no need for welding and flaring tools, easy disassembly, installation and maintenance, etc
【Working Pressure & Temperature】 - 2000 PSI maximum working pressure, temperature range -65°F to +250°F (-53°C to +121°C)
【You Will Get】- Brass air line compression fittings contain: 1/8"-4 pcs, 3/16"-4 pcs, 1/4"-4 pcs, 5/16"-4 pcs, 3/8"-4pcs,and 1/2"-2 pcs compression coupling. 1/8"-4 pcs, 3/16"-4 pcs, 1/4"-4 pcs, 5/16"-4 pcs, 3/8"-4 pcs,and 1/2" -4 pcs compression sleeves ferrules. Total 46 pcs Brass Compression Fittings
【Tips】- These copper tubing fittings contain lead and are not allowed by federal law to be installed for potable water use in the U.S.A. and its territories
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Breezliy Compression Fittings Assortment kit-6 Sizes(1/8"3/16" 1/4" 5/16" 3/8" 1/2") Brass Compression Sleeves Ferrules & Insert,used to connect lines for air,water,fuel,oil and inert gases

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Japtend 280pcs Brass Compression Sleeves Ferrules Inserts Nuts Fittings Kit | 6 Sizes 1/2" 3/8" 5/16" 1/4" 3/16" 1/8" Hose Repair Kit of Air Water Fuel Oil Gas Tube Lines

Introduction: The brass compression sleeve ferrules inserts nuts are suitable for the outer diameter (1/8", 1/16", 1/4", 5/16", 3/8", 1/2") of pipes and can be used for plastic, copper, brass, or aluminum pipes.
Sizes & Quantity: 280pcs of brass compression fittings, suitable for pipes with an outer diameter of 6 sizes: sleeve rings 1/2" 10pcs, 3/8" 15pcs, 5/16" 15pcs, 1/4" 25pcs, 3/16" 25pcs, 1/8" 25pcs; inserts 1/2" 10pcs, 3/8" 15pcs, 5/16" 15pcs, 1/4" 25pcs, 3/16" 25pcs, 1/8" 25pcs; nuts: 1/2" 5pcs, 3/8" 7pcs, 5/16" 8pcs, 1/4" 10pcs, 3/16" 10pcs, 1/8" 10pcs.
Material: Brass. Low magnetic permeability, good ductility and plasticity at high temperatures, higher strength and hardness, able to withstand certain mechanical stress and wear, not easily corroded in humid environments, and not easily damaged during long-term use, reducing the frequency of maintenance and replacement.
Craftsmanship: The brass compression fittings assortment kit are with fine manufacturing process, smooth surface without burrs, with good polishability and a beautiful golden appearance.
Easy to Use: These compression fittings are easy to assemble, without the need for welding, flaring, or deburring. They can be easily connected to other components through threaded connections, welding, crimping, etc. When it is necessary to replace them, the products can be easily disassembled and reinstalled without affecting the system.
Plastic Storage container: Includes a durable and lightweight plastic storage container that can provide a neat and orderly space, making products easy to classify and find, and can provide buffering and protection for products, reducing damage caused by collisions and squeezes.
Application: The copper line compression fittings are often used in fields such as machinery, automobiles, and ships, and can quickly and easily connect various pipelines such as air, water, fuel, oil, and inert gases, such as water heating pipes, automobile exhaust pipes, boiler flues, and oil pipes, etc.
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Ailbiuko 200 Pcs Brass DOT Air Brake Line & Compression Fittings Kit | 1/4" 1/8" 3/8" 1/2" NPT Air Nylon Tube Fittings,Push To Connect Fittings Quick Connect Air Hose Fittings Assortment Kit

3 TYPES OF BRASS FITTINGS: This set includes DOT push-to-connect fittings, compression nylon tube fittings, and brass pipe fittings. It can be used for maintenance work in various scenarios, such as air brake systems and pipelines, to meet most of your needs
200PCS DOT FITTINGS SET: 30Pcs DOT push-to-connect fittings:7pcs straight male connector,7pcs 90°male elbow,6pcs union connector,4pcs union tee,4pcs 45°male elbow,2pcs schrader valve;123Pcs DOT compression nylon tube fittings:7pcs straight male connector,7pcs 90°male elbow,6pcs union connector,4pcs union tee,4pcs 45°male elbow,95pcs sleeve ferrules;45Pcs Brass pipe fittings:6pcs hex coupling,6pcs hex nipple,6pcs hex bushing,6pcs extension adapter,3pcs 90° street elbow,6pcs hex plug,12pcs socket plug;1pc 4m teflon tape;1pc tube cutter
PREMIUM MATERIAL: These fittings are made of high-quality CA360 brass and meet D.O.T FMVSS 571.106, Air Brake system Requirements, with corrosion resistance, high-temperature flexibility, and low permeability
PRESSURE RANGE: Airline fittings have pressure resistance, making them less likely to trip. Air brake fittings working pressure from vacuum max to 300 PSI. Temperature Range: -40° F to +250° F(Note: see tubing manufacturer’s recommendations for pressure and temperature limitations)
EASY TO INSTALL: Our 200pcs fitting kit is easy to use in air systems and pipe connections. You need to use tools to fix loose parts to handle in tight places so that they will be firmer and not easily fall off. Some pieces that contain a threaded end already have sealant pre-applied, and we send Teflon tape as a gift to provide a secure connection
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Taiidaues 10Pcs 3/16" OD x 3/16" OD Compression Union Fittings | Brass Compression Tube Fittings, 10Pcs Compression Union Connectors & 10 Pcs Sleeves Ferrules

You Will Get - 10 pcs 3/16" OD x 3/16" OD Compression brass tube fittings, 10 pcs 3/16" OD Brass Compression Sleeves Ferrules. Compression Tube Fitting mainly consists of a fitting body with a 24 degree tapered hole, a ferrule with a sharp inner edge, and a nut for compression
High Quality Brass - Our 3/16" compression fitting kit is made of high-quality brass, with strong wear，corrosion resistance, high compressive strength, durability, low magnetic permeability and high temperature ductility
Widely Use- Brass compression tube fittings meet specifications and standards of ASA, ASME asn SAE. Good sealing and repeatability, temperature and pressure resistance. Perfect fit for oil, gas, water and other non-corrosive or corrosive pipeline systems, no need for welding and flaring tools, easy disassembly, installation and maintenance, etc
Working Pressure & Temperature- 2000 PSI maximum working pressure, temperature range -65°F to +250°F (-53°C to +121°C)
Tips- These copper tubing fittings contain lead and are not allowed by federal law to be installed for potable water use in the U.S.A. and its territories
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Taiidaues 178 Pcs DOT Quick Push to Connect Fittings Straight Union | Brass Compression Tube Fittings 1/8"5/32"1/4"5/16"3/8" 1/2" Air Line Fittings Push Lock Air Hose Fittings & Compression Union

【178-PIECE KIT】- Includes 18pcs DOT straight union kit ( 1/8" 4pcs+ 5/32" 4pcs+1/4" 4pcs+3/8" 4pcs+1/2" 2pcs) and 160pcs brass compression components (22pcs connectors+ 138 pcs ferrules,inserts and nuts in 6 sizes of 1/8" to 1/2"). Tackle diverse projects with a value-packed bundle
【PROFESSIONAL-GRADE BRASS】- The dot push to connect air fittings are crafted from high-quality CA 360 brass, Our brass compression fittings kit is made of high-quality brass, offering exceptional corrosion resistance, high-temperature ductility. Ideal for demanding environments, these fittings ensure long-term reliability in air, oil, gas, and water systems (non-potable use only, excludes potable water per U.S. federal law)
【DOT & INDUSTRY CERTIFIED SAFETY】- DOT-approved push-connect fittings meet FMVSS 571.106 and SAE J1131 standards for air brake systems, air suspension systems and so on, while compression fittings comply with ASA, ASME, and SAE specifications. Good sealing and repeatability, temperature and pressure resistance, long service life
"【HIGH-PRESSURE PERFORMANCE】- Push-Connect Fittings: Withstand up to 250 PSI and temperatures from -40°F to +200°F (-40°C to +93°C). Compression Fittings: Rated for 2000 PSI and extreme temps (-65°F to +250°F / -53°C to +121°C). Always verify tubing manufacturer limits for optimal safety
【QUICK INSTALLATION & VERSATILITY】- DOT push lock air fittings simplify repairs with push-to-connect fittings'one-tool-free assembly, Perfect for air suspension systems, trucks, RVs, industrial workshops, lawn mowers. Brass compression tube fittings no-weld, no-flare design, easy disassembly installation and maintenance, etc Perfect for air suspension systems, trucks, RVs, industrial workshops, lawn mowers, and oil/gas/water pipelines. Both types resist vibration and wear, ensuring stability in mobile and stationary systems
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Taiidaues 53 Pcs Brass Compression Fittings Assortment Kit | 1/8" 3/16" 1/4" 3/8" 1/2" OD Tube & NPT Thread Compression Union Fittings Connectors & Compression Sleeves Ferrules

【HIGH QUALITY】 - Our compression fittings assortment kit is made of high-quality brass, with strong wear, corrosion resistance, high compressive strength, durability, low magnetic permeability and high temperature ductility
【WIDELY USE】- Brass compression tube fittings meet specifications and standards of ASA, ASME asn SAE. Good sealing and repeatability, temperature and pressure resistance. Perfect fit for oil, gas, water and other non-corrosive or corrosive pipeline systems , no need for welding and flaring tools, easy disassembly, installation and maintenance, etc
【WORKING PRESSURE & TEMPERATURE】 - 2000 PSI maximum working pressure, temperature range -65°F to +250°F (-53°C to +121°C)
【YOU WILL GET】- 53 Pcs Compression fittings assortment kit contains: 6 pcs Compression Union Fittings: 3/16"-2 pcs, 1/4"-2 pcs, 3/8"-2 pcs. 12 pcs Straight Male Connetors：1/8"x1/8"-2 pcs, 1/4"x1/4"-2 pcs, 3/8"x1/4"-2 pcs, 3/8"x3/8"-2 pcs, 1/2"x1/4"-2 pcs, 1/2"x1/2"-2 pcs. 2 pcs 1/8"x1/8" FNPT" Straight Female Connetors. 2 pcs 1/8" FNPTx1/4" NPT Bushing fittings. 30 pcs Compression Sleeves Ferrules: 1/8"-10 pcs, 1/4"-10 pcs, 3/8"-10 pcs. 1 roll 4m teflon tape
【TIPS】- These brass compression fitting assortment contains lead and are not allowed by federal law to be installed for potable water use in the U.S.A. and its territories
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Taiidaues 10Pcs 3/8" OD x 3/8" OD Compression Union Fittings | Brass Compression Tube Fittings, 10Pcs Compression Union Connectors & 10 Pcs Sleeves Ferrules

You Will Get - 10 pcs 3/8" OD x 3/8" OD Compression brass tube fittings.10 PCS 3/8" OD Compression Sleeves Ferrules. Compression Tube Fitting mainly consists of a fitting body with a 24 degree tapered hole, a ferrule with a sharp inner edge, and a nut for compression
High Quality Brass - Our 3/8" compression fitting kit is made of high-quality brass, with strong wear，corrosion resistance, high compressive strength, durability, low magnetic permeability and high temperature ductility
Widely Use- Brass compression tube fittings meet specifications and standards of ASA, ASME asn SAE. Good sealing and repeatability, temperature and pressure resistance. Perfect fit for oil, gas, water and other non-corrosive or corrosive pipeline systems , no need for welding and flaring tools, easy disassembly, installation and maintenance, etc
Working Pressure & Temperature- 2000 PSI maximum working pressure, temperature range -65°F to +250°F (-53°C to +121°C)
Tips- These copper tubing fittings contain lead and are not allowed by federal law to be installed for potable water use in the U.S.A. and its territories
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on Amazon.com
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Ailbiuko 250 Pcs Brass DOT Air Brake Line & Compression Fittings Kit | 1/8" 1/4" 3/8" 1/2" 5/8" 3/4" NPT Air Nylon Tube Fittings,Push To Connect Fittings Quick Connect Air Hose Fittings Assortment

3 TYPES OF BRASS FITTINGS: This set includes DOT push-to-connect fittings, compression nylon tube fittings, and brass pipe fittings. It can be used for maintenance work in various scenarios, such as air brake systems and pipelines, to meet most of your needs
250PCS DOT FITTINGS SET: 38Pcs DOT push-to-connect fittings:8pcs straight male connector,10pcs 90°male elbow,4pcs 45°male elbow,10pcs union connector,4pcs union tee,2pcs schrader valve;157Pcs DOT compression nylon tube fittings:5pcs straight male connector,5pcs 90°male elbow,4pcs union connector,3pcs union tee,140pcs sleeve ferrules;53Pcs Brass pipe fittings:7pcs hex coupling,7pcs hex nipple,9pcs hex bushing,7pcs extension adapter,3pcs 90° street elbow,7pcs hex plug,13pcs socket plug;1pc 4m teflon tape;1pc tube cutter
PREMIUM MATERIAL: These fittings are made of high-quality CA360 brass and meet D.O.T FMVSS 571.106, Air Brake system Requirements, with corrosion resistance, high-temperature flexibility, and low permeability
PRESSURE RANGE: Airline fittings have pressure resistance, making them less likely to trip. Air brake fittings working pressure from vacuum max to 300 PSI. Temperature Range: -40° F to +250° F(Note: see tubing manufacturer’s recommendations for pressure and temperature limitations)
EASY TO INSTALL: Our 250pcs fitting kit is easy to use in air systems and pipe connections. You need to use tools to fix loose parts to handle in tight places so that they will be firmer and not easily fall off. Some pieces that contain a threaded end already have sealant pre-applied, and we send Teflon tape as a gift to provide a secure connection
Check Price
on Amazon.com
Our #1 Pick Today
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Taiidaues 46pcs Brass Compression Tube Pipe Fittings Assortment Kit | 1/8" 3/16" 1/4" 5/16" 3/8" 1/2" OD Compression Union Connector & Compression Sleeves Ferrules

【High Quality】 - Our brass compression fittings kit is made of high-quality brass, with strong wear, corrosion resistance, high compressive strength, durability, low magnetic permeability and high temperature ductility
【Widely Use】- Brass compression tube fittings meet specifications and standards of ASA, ASME asn SAE. Good sealing and repeatability, temperature and pressure resistance. Perfect fit for oil, gas, water and other non-corrosive or corrosive pipeline systems, no need for welding and flaring tools, easy disassembly, installation and maintenance, etc
【Working Pressure & Temperature】 - 2000 PSI maximum working pressure, temperature range -65°F to +250°F (-53°C to +121°C)
【You Will Get】- Brass air line compression fittings contain: 1/8"-4 pcs, 3/16"-4 pcs, 1/4"-4 pcs, 5/16"-4 pcs, 3/8"-4pcs,and 1/2"-2 pcs compression coupling. 1/8"-4 pcs, 3/16"-4 pcs, 1/4"-4 pcs, 5/16"-4 pcs, 3/8"-4 pcs,and 1/2" -4 pcs compression sleeves ferrules. Total 46 pcs Brass Compression Fittings
【Tips】- These copper tubing fittings contain lead and are not allowed by federal law to be installed for potable water use in the U.S.A. and its territories
Check Price
on Amazon.com
Disclaimer: While we make every effort to ensure accuracy, we cannot guarantee that all product specifications, pricing, discounts, and details are complete or error-free. Because information is subject to change, we recommend verifying all details directly with the retailer prior to making a purchase. As an Amazon Associate, we earn from qualifying purchases.

9 Compression Fittings deals are available from: Amazon, starting from $12.99.

The biggest discount we found is 6% on Breezliy Compression Fittings Assortment kit-6 Sizes(1/8"3/16" 1/4" 5/16" 3/8" 1/2") Brass Compression Sleeves Ferrules & Insert,used to connect lines for air,water,fuel,oil and inert gases (A037) at Amazon.

The lowest price we found is $12.99 while the highest is $179.99. Prices for the best Compression Fittings deals average at $56.32.