Availability
Vibrant Performance offers union fittings in a wide range of styles, sizes, and configurations—including swivel. Machined from aluminum, the couplers and adapters have black anodized finish to resist corrosion. They're compatible with virtually any manufacturer's hose end fittings.
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$10.59
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$20.99
On Sale
Whether you need bulkheads, tees, unions, reducers, straights, swivels, couplers, or elbows to complete your plumbing job, look no further than Fragola for the finest fittings and adapters. To the people at Fragola, engineering has great value, and perfecting their hose ends and fittings is serious business. Fragola Performance Systems union AN adapter fittings are manufactured from anodized aluminum or zinc finished steel to exacting standards for tight, leak-free connections. These union AN adapter fittings are available in varying sizes to fit nearly any application and most are produced right here in the USA. Plumb with precision fittings from Fragola Performance Systems.
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$12.99
$11.69
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$26.99
Our Summit Racing™ unions connect multiple sizes of male-threaded hose ends and hose together. Each fitting has a quality finish for corrosion resistance. Select your size and finish preferred.
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$5.99
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$7.99
Derale coupler fittings will help you get connected. They're made from quality materials and come available in different sizes and configurations to fit your specific application needs. For underhood cooling components, trust the expertise of Derale Performance.
( 1 )
$22.28
Perma-Cool couplers are handy for a variety of plumbing projects, including oil and trans coolers. These NPT-threaded brass couplers can help make the job easier. They're available in different sizes—in straight, 45 degree, and 90 degree versions.
( 4 )
$21.32
Russell aluminum couplers are not only handy, but are offered in several great finishes--blue anodized, chrome, or Endura bright plated--to give your plumb job style to match their performance. Russell couplers are available for both AN and NPT thread applications.
( 79 )
$7.95
Milton's brass hex coupling fittings are available in a variety of attachment styles and thread diameters to help assemble new hoses or to replace the old fittings on existing hoses. Order the coupler models needed for your hose application.
( 1 )
$5.99
Straight, 45 degree, 90 degree, AN, and NPT--once you see the big selection of Aeroquip couplers we have, we're sure you'll find the ones that you need to finish your vehicle's plumbing. These couplers are made from anodized aluminum (some are available in steel).
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$14.99
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$19.99
Keyser Manufacturing offers a full line of coupler fittings to meet your plumbing needs. These quality aluminum male pipe nipple fittings feature an NPT to NPT design with male threads. Keyser Manufacturing male pipe nipple fittings are available in a variety of sizes.
Not Yet Reviewed
$9.99
On Sale
Whether you need bulkheads, tees, unions, reducers, swivels, couplers, or elbows to complete your plumbing job, look no further than Fragola for the finest fittings and adapters available. To the people at Fragola, engineering has great value, and perfecting their hose ends and fittings is serious business. Fragola Performance Systems reducer adapter fittings are manufactured from aerospace-quality aluminum to exacting standards for tight, leak-free connections and then anodized for added durability. These American-made reducer adapter fittings are available in varying sizes to fit nearly any application. Plumb with precision fittings from Fragola Performance Systems.
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$9.99
$8.99
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$17.99
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