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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 %
$ 560.00
$ 560.00 - $ 560.00
$ 560.00
$ 447.00
$ 447.00 - $ 447.00
$ 447.00

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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$ 560.00
$ 560.00 - $ 560.00
$ 560.00
$ 447.00
$ 447.00 - $ 447.00
$ 447.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass Save 20% Save %
$ 631.00
$ 631.00 - $ 631.00
$ 631.00
$ 505.00
$ 505.00 - $ 505.00
$ 505.00

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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$ 631.00
$ 631.00 - $ 631.00
$ 631.00
$ 505.00
$ 505.00 - $ 505.00
$ 505.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass Save 20% Save %
$ 564.00
$ 564.00 - $ 564.00
$ 564.00
$ 451.00
$ 451.00 - $ 451.00
$ 451.00

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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$ 564.00
$ 564.00 - $ 564.00
$ 564.00
$ 451.00
$ 451.00 - $ 451.00
$ 451.00
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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 %
$ 629.00
$ 629.00 - $ 629.00
$ 629.00
$ 505.00
$ 505.00 - $ 505.00
$ 505.00

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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$ 629.00
$ 629.00 - $ 629.00
$ 629.00
$ 505.00
$ 505.00 - $ 505.00
$ 505.00
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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$ 577.00
$ 577.00 - $ 577.00
$ 577.00
$ 462.00
$ 462.00 - $ 462.00
$ 462.00

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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$ 577.00
$ 577.00 - $ 577.00
$ 577.00
$ 462.00
$ 462.00 - $ 462.00
$ 462.00
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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 %
$ 648.00
$ 648.00 - $ 648.00
$ 648.00
$ 520.00
$ 520.00 - $ 520.00
$ 520.00

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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$ 648.00
$ 648.00 - $ 648.00
$ 648.00
$ 520.00
$ 520.00 - $ 520.00
$ 520.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 700.00
$ 700.00 - $ 700.00
$ 700.00
$ 560.00
$ 560.00 - $ 560.00
$ 560.00

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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$ 700.00
$ 700.00 - $ 700.00
$ 700.00
$ 560.00
$ 560.00 - $ 560.00
$ 560.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 560.00
$ 560.00 - $ 560.00
$ 560.00
$ 447.00
$ 447.00 - $ 447.00
$ 447.00

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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$ 560.00
$ 560.00 - $ 560.00
$ 560.00
$ 447.00
$ 447.00 - $ 447.00
$ 447.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 631.00
$ 631.00 - $ 631.00
$ 631.00
$ 505.00
$ 505.00 - $ 505.00
$ 505.00

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
$ 631.00
$ 631.00 - $ 631.00
$ 631.00
$ 505.00
$ 505.00 - $ 505.00
$ 505.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 564.00
$ 564.00 - $ 564.00
$ 564.00
$ 451.00
$ 451.00 - $ 451.00
$ 451.00

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
$ 564.00
$ 564.00 - $ 564.00
$ 564.00
$ 451.00
$ 451.00 - $ 451.00
$ 451.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 641.00
$ 641.00 - $ 641.00
$ 641.00
$ 514.00
$ 514.00 - $ 514.00
$ 514.00

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
$ 641.00
$ 641.00 - $ 641.00
$ 641.00
$ 514.00
$ 514.00 - $ 514.00
$ 514.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 570.00
$ 570.00 - $ 570.00
$ 570.00
$ 457.00
$ 457.00 - $ 457.00
$ 457.00

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
$ 570.00
$ 570.00 - $ 570.00
$ 570.00
$ 457.00
$ 457.00 - $ 457.00
$ 457.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 648.00
$ 648.00 - $ 648.00
$ 648.00
$ 520.00
$ 520.00 - $ 520.00
$ 520.00

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
$ 648.00
$ 648.00 - $ 648.00
$ 648.00
$ 520.00
$ 520.00 - $ 520.00
$ 520.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 637.00
$ 637.00 - $ 637.00
$ 637.00
$ 510.00
$ 510.00 - $ 510.00
$ 510.00

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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$ 637.00
$ 637.00 - $ 637.00
$ 637.00
$ 510.00
$ 510.00 - $ 510.00
$ 510.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 593.00
$ 593.00 - $ 593.00
$ 593.00
$ 474.00
$ 474.00 - $ 474.00
$ 474.00

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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$ 593.00
$ 593.00 - $ 593.00
$ 593.00
$ 474.00
$ 474.00 - $ 474.00
$ 474.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 600.00
$ 600.00 - $ 600.00
$ 600.00
$ 480.00
$ 480.00 - $ 480.00
$ 480.00

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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$ 600.00
$ 600.00 - $ 600.00
$ 600.00
$ 480.00
$ 480.00 - $ 480.00
$ 480.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 675.00
$ 675.00 - $ 675.00
$ 675.00
$ 539.00
$ 539.00 - $ 539.00
$ 539.00

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
$ 675.00
$ 675.00 - $ 675.00
$ 675.00
$ 539.00
$ 539.00 - $ 539.00
$ 539.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 585.00
$ 585.00 - $ 585.00
$ 585.00
$ 468.00
$ 468.00 - $ 468.00
$ 468.00

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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$ 585.00
$ 585.00 - $ 585.00
$ 585.00
$ 468.00
$ 468.00 - $ 468.00
$ 468.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 683.00
$ 683.00 - $ 683.00
$ 683.00
$ 545.00
$ 545.00 - $ 545.00
$ 545.00

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 ...

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$ 683.00
$ 683.00 - $ 683.00
$ 683.00
$ 545.00
$ 545.00 - $ 545.00
$ 545.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 1,624.00
$ 1,624.00 - $ 1,624.00
$ 1,624.00
$ 1,300.00
$ 1,300.00 - $ 1,300.00
$ 1,300.00

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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$ 1,624.00
$ 1,624.00 - $ 1,624.00
$ 1,624.00
$ 1,300.00
$ 1,300.00 - $ 1,300.00
$ 1,300.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 430.00
$ 430.00 - $ 430.00
$ 430.00
$ 344.00
$ 344.00 - $ 344.00
$ 344.00

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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$ 430.00
$ 430.00 - $ 430.00
$ 430.00
$ 344.00
$ 344.00 - $ 344.00
$ 344.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 669.00
$ 669.00 - $ 669.00
$ 669.00
$ 535.00
$ 535.00 - $ 535.00
$ 535.00

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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$ 669.00
$ 669.00 - $ 669.00
$ 669.00
$ 535.00
$ 535.00 - $ 535.00
$ 535.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 514.00
$ 514.00 - $ 514.00
$ 514.00
$ 411.00
$ 411.00 - $ 411.00
$ 411.00

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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$ 514.00
$ 514.00 - $ 514.00
$ 514.00
$ 411.00
$ 411.00 - $ 411.00
$ 411.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 1,611.00
$ 1,611.00 - $ 1,611.00
$ 1,611.00
$ 1,289.00
$ 1,289.00 - $ 1,289.00
$ 1,289.00

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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$ 1,611.00
$ 1,611.00 - $ 1,611.00
$ 1,611.00
$ 1,289.00
$ 1,289.00 - $ 1,289.00
$ 1,289.00
Save 20% Save %

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