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Breco 4 Series Couplers

The Breco 4 Series is the 3/8" body industrial interchange, a common air coupler size for shop and industrial systems. This collection includes Breco 4 Series couplers and plugs in brass, steel, and brass with steel sleeve, with NPT, hose barb, and push-on terminations. Filter by thread, material, and coupler or plug to find your part.

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Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass Save 20% Save %
$ 503.00
$ 503.00 - $ 503.00
$ 503.00
$ 402.00
$ 402.00 - $ 402.00
$ 402.00

Breco B-3BF2-B, 3/8" Industrial Coupler x 1/4" Female NPT, 4 Series, Automatic, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BF2-B is a Brass 3/8" industrial coupler from the Breco 4 Series — a hig...

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$ 503.00
$ 503.00 - $ 503.00
$ 503.00
$ 402.00
$ 402.00 - $ 402.00
$ 402.00
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Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass Save 20% Save %
$ 567.00
$ 567.00 - $ 567.00
$ 567.00
$ 453.00
$ 453.00 - $ 453.00
$ 453.00

Breco B-3BF2-B-SL, 3/8" Industrial Coupler x 1/4" Female NPT, 4 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BF2-B-SL is a Brass 3/8" industrial coupler from the Breco 4 Series — a ...

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$ 567.00
$ 567.00 - $ 567.00
$ 567.00
$ 453.00
$ 453.00 - $ 453.00
$ 453.00
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Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass Save 20% Save %
$ 507.00
$ 507.00 - $ 507.00
$ 507.00
$ 405.00
$ 405.00 - $ 405.00
$ 405.00

Breco B-3BF3-B, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Automatic, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BF3-B is a Brass 3/8" industrial coupler from the Breco 4 Series — a hig...

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$ 507.00
$ 507.00 - $ 507.00
$ 507.00
$ 405.00
$ 405.00 - $ 405.00
$ 405.00
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Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass Save 20% Save %
$ 565.00
$ 565.00 - $ 565.00
$ 565.00
$ 453.00
$ 453.00 - $ 453.00
$ 453.00

Breco B-3BF3-B-SL, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BF3-B-SL is a Brass 3/8" industrial coupler from the Breco 4 Series — a ...

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$ 565.00
$ 565.00 - $ 565.00
$ 565.00
$ 453.00
$ 453.00 - $ 453.00
$ 453.00
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Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
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$ 519.00
$ 519.00 - $ 519.00
$ 519.00
$ 415.00
$ 415.00 - $ 415.00
$ 415.00

Breco B-3BF4-B, 3/8" Industrial Coupler x 1/2" Female NPT, 4 Series, Automatic, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BF4-B is a Brass 3/8" industrial coupler from the Breco 4 Series — a hig...

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$ 519.00
$ 519.00 - $ 519.00
$ 519.00
$ 415.00
$ 415.00 - $ 415.00
$ 415.00
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Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
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$ 582.00
$ 582.00 - $ 582.00
$ 582.00
$ 467.00
$ 467.00 - $ 467.00
$ 467.00

Breco B-3BF4-B-SL, 3/8" Industrial Coupler x 1/2" Female NPT, 4 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BF4-B-SL is a Brass 3/8" industrial coupler from the Breco 4 Series — a ...

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$ 582.00
$ 582.00 - $ 582.00
$ 582.00
$ 467.00
$ 467.00 - $ 467.00
$ 467.00
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Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
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$ 629.00
$ 629.00 - $ 629.00
$ 629.00
$ 503.00
$ 503.00 - $ 503.00
$ 503.00

Breco B-3BH3-B-SL, 3/8" Industrial Coupler x Reusable Hose Fitting, 3/8" ID x 5/8" OD, 4 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BH3-B-SL is a Brass 3/8" industrial coupler from the Breco 4 Series — a ...

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$ 629.00
$ 629.00 - $ 629.00
$ 629.00
$ 503.00
$ 503.00 - $ 503.00
$ 503.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 503.00
$ 503.00 - $ 503.00
$ 503.00
$ 402.00
$ 402.00 - $ 402.00
$ 402.00

Breco B-3BM2-B, 3/8" Industrial Coupler x 1/4" Male NPT, 4 Series, Automatic, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BM2-B is a Brass 3/8" industrial coupler from the Breco 4 Series — a hig...

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$ 503.00
$ 503.00 - $ 503.00
$ 503.00
$ 402.00
$ 402.00 - $ 402.00
$ 402.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 567.00
$ 567.00 - $ 567.00
$ 567.00
$ 453.00
$ 453.00 - $ 453.00
$ 453.00

Breco B-3BM2-B-SL, 3/8" Industrial Coupler x 1/4" Male NPT, 4 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BM2-B-SL is a Brass 3/8" industrial coupler from the Breco 4 Series — a ...

View full details
$ 567.00
$ 567.00 - $ 567.00
$ 567.00
$ 453.00
$ 453.00 - $ 453.00
$ 453.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 507.00
$ 507.00 - $ 507.00
$ 507.00
$ 405.00
$ 405.00 - $ 405.00
$ 405.00

Breco B-3BM3-B, 3/8" Industrial Coupler x 3/8" Male NPT, 4 Series, Automatic, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BM3-B is a Brass 3/8" industrial coupler from the Breco 4 Series — a hig...

View full details
$ 507.00
$ 507.00 - $ 507.00
$ 507.00
$ 405.00
$ 405.00 - $ 405.00
$ 405.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 575.00
$ 575.00 - $ 575.00
$ 575.00
$ 462.00
$ 462.00 - $ 462.00
$ 462.00

Breco B-3BM3-B-SL, 3/8" Industrial Coupler x 3/8" Male NPT, 4 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BM3-B-SL is a Brass 3/8" industrial coupler from the Breco 4 Series — a ...

View full details
$ 575.00
$ 575.00 - $ 575.00
$ 575.00
$ 462.00
$ 462.00 - $ 462.00
$ 462.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 512.00
$ 512.00 - $ 512.00
$ 512.00
$ 410.00
$ 410.00 - $ 410.00
$ 410.00

Breco B-3BM4-B, 3/8" Industrial Coupler x 1/2" Male NPT, 4 Series, Automatic, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BM4-B is a Brass 3/8" industrial coupler from the Breco 4 Series — a hig...

View full details
$ 512.00
$ 512.00 - $ 512.00
$ 512.00
$ 410.00
$ 410.00 - $ 410.00
$ 410.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 582.00
$ 582.00 - $ 582.00
$ 582.00
$ 467.00
$ 467.00 - $ 467.00
$ 467.00

Breco B-3BM4-B-SL, 3/8" Industrial Coupler x 1/2" Male NPT, 4 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BM4-B-SL is a Brass 3/8" industrial coupler from the Breco 4 Series — a ...

View full details
$ 582.00
$ 582.00 - $ 582.00
$ 582.00
$ 467.00
$ 467.00 - $ 467.00
$ 467.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 572.00
$ 572.00 - $ 572.00
$ 572.00
$ 458.00
$ 458.00 - $ 458.00
$ 458.00

Breco B-3BPS3-B, 3/8" Industrial Coupler x 3/8" Push-On Hose Stem, 4 Series, Automatic, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BPS3-B is a Brass 3/8" industrial coupler from the Breco 4 Series — a hi...

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$ 572.00
$ 572.00 - $ 572.00
$ 572.00
$ 458.00
$ 458.00 - $ 458.00
$ 458.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
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$ 532.00
$ 532.00 - $ 532.00
$ 532.00
$ 426.00
$ 426.00 - $ 426.00
$ 426.00

Breco B-3BS2-B, 3/8" Industrial Coupler x 1/4" Hose ID, 4 Series, Automatic, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BS2-B is a Brass 3/8" industrial coupler from the Breco 4 Series — a hig...

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$ 532.00
$ 532.00 - $ 532.00
$ 532.00
$ 426.00
$ 426.00 - $ 426.00
$ 426.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 539.00
$ 539.00 - $ 539.00
$ 539.00
$ 431.00
$ 431.00 - $ 431.00
$ 431.00

Breco B-3BS3-B, 3/8" Industrial Coupler x 3/8" Hose ID, 4 Series, Automatic, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BS3-B is a Brass 3/8" industrial coupler from the Breco 4 Series — a hig...

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$ 539.00
$ 539.00 - $ 539.00
$ 539.00
$ 431.00
$ 431.00 - $ 431.00
$ 431.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 606.00
$ 606.00 - $ 606.00
$ 606.00
$ 484.00
$ 484.00 - $ 484.00
$ 484.00

Breco B-3BS3-B-SL, 3/8" Industrial Coupler x 3/8" Hose ID, 4 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BS3-B-SL is a Brass 3/8" industrial coupler from the Breco 4 Series — a ...

View full details
$ 606.00
$ 606.00 - $ 606.00
$ 606.00
$ 484.00
$ 484.00 - $ 484.00
$ 484.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 526.00
$ 526.00 - $ 526.00
$ 526.00
$ 420.00
$ 420.00 - $ 420.00
$ 420.00

Breco B-3BS4-B, 3/8" Industrial Coupler x 1/2" Hose ID, 4 Series, Automatic, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BS4-B is a Brass 3/8" industrial coupler from the Breco 4 Series — a hig...

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$ 526.00
$ 526.00 - $ 526.00
$ 526.00
$ 420.00
$ 420.00 - $ 420.00
$ 420.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 613.00
$ 613.00 - $ 613.00
$ 613.00
$ 489.00
$ 489.00 - $ 489.00
$ 489.00

Breco B-3BS4-B-SL, 3/8" Industrial Coupler x 1/2" Hose ID, 4 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3BS4-B-SL is a Brass 3/8" industrial coupler from the Breco 4 Series — a ...

View full details
$ 613.00
$ 613.00 - $ 613.00
$ 613.00
$ 489.00
$ 489.00 - $ 489.00
$ 489.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 1,459.00
$ 1,459.00 - $ 1,459.00
$ 1,459.00
$ 1,168.00
$ 1,168.00 - $ 1,168.00
$ 1,168.00

Breco B-3CF3-B, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Sleeve Guard, Brass w/Brass Sleeve

Reliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3CF3-B is a Brass w/Brass Sleeve 3/8" industrial coupler from the Breco 4...

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$ 1,459.00
$ 1,459.00 - $ 1,459.00
$ 1,459.00
$ 1,168.00
$ 1,168.00 - $ 1,168.00
$ 1,168.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
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$ 386.00
$ 386.00 - $ 386.00
$ 386.00
$ 309.00
$ 309.00 - $ 309.00
$ 309.00

Breco B-3CF3-S, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Sleeve Guard, Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3CF3-S is a Steel 3/8" industrial coupler from the Breco 4 Series — a hig...

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$ 386.00
$ 386.00 - $ 386.00
$ 386.00
$ 309.00
$ 309.00 - $ 309.00
$ 309.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
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$ 601.00
$ 601.00 - $ 601.00
$ 601.00
$ 481.00
$ 481.00 - $ 481.00
$ 481.00

Breco B-3CF4-S, 3/8" Industrial Coupler x 1/2" Female NPT, 4 Series, Sleeve Guard, Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3CF4-S is a Steel 3/8" industrial coupler from the Breco 4 Series — a hig...

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$ 601.00
$ 601.00 - $ 601.00
$ 601.00
$ 481.00
$ 481.00 - $ 481.00
$ 481.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
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$ 462.00
$ 462.00 - $ 462.00
$ 462.00
$ 369.00
$ 369.00 - $ 369.00
$ 369.00

Breco B-3CM2-S, 3/8" Industrial Coupler x 1/4" Male NPT, 4 Series, Sleeve Guard, Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3CM2-S is a Steel 3/8" industrial coupler from the Breco 4 Series — a hig...

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$ 462.00
$ 462.00 - $ 462.00
$ 462.00
$ 369.00
$ 369.00 - $ 369.00
$ 369.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
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$ 1,447.00
$ 1,447.00 - $ 1,447.00
$ 1,447.00
$ 1,157.00
$ 1,157.00 - $ 1,157.00
$ 1,157.00

Breco B-3CM3-B, 3/8" Industrial Coupler x 3/8" Male NPT, 4 Series, Sleeve Guard, Brass w/Brass Sleeve

Reliable, leak-free 3/8" connections for air and fluid lines. The Breco B-3CM3-B is a Brass w/Brass Sleeve 3/8" industrial coupler from the Breco 4...

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$ 1,447.00
$ 1,447.00 - $ 1,447.00
$ 1,447.00
$ 1,157.00
$ 1,157.00 - $ 1,157.00
$ 1,157.00
Save 20% Save %

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