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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 %
$ 557.00
$ 557.00 - $ 557.00
$ 557.00
$ 444.00
$ 444.00 - $ 444.00
$ 444.00

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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$ 557.00
$ 557.00 - $ 557.00
$ 557.00
$ 444.00
$ 444.00 - $ 444.00
$ 444.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass Save 20% Save %
$ 627.00
$ 627.00 - $ 627.00
$ 627.00
$ 502.00
$ 502.00 - $ 502.00
$ 502.00

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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$ 627.00
$ 627.00 - $ 627.00
$ 627.00
$ 502.00
$ 502.00 - $ 502.00
$ 502.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass Save 20% Save %
$ 561.00
$ 561.00 - $ 561.00
$ 561.00
$ 448.00
$ 448.00 - $ 448.00
$ 448.00

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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$ 561.00
$ 561.00 - $ 561.00
$ 561.00
$ 448.00
$ 448.00 - $ 448.00
$ 448.00
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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 %
$ 626.00
$ 626.00 - $ 626.00
$ 626.00
$ 502.00
$ 502.00 - $ 502.00
$ 502.00

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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$ 626.00
$ 626.00 - $ 626.00
$ 626.00
$ 502.00
$ 502.00 - $ 502.00
$ 502.00
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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$ 574.00
$ 574.00 - $ 574.00
$ 574.00
$ 460.00
$ 460.00 - $ 460.00
$ 460.00

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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$ 574.00
$ 574.00 - $ 574.00
$ 574.00
$ 460.00
$ 460.00 - $ 460.00
$ 460.00
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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 %
$ 645.00
$ 645.00 - $ 645.00
$ 645.00
$ 517.00
$ 517.00 - $ 517.00
$ 517.00

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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$ 645.00
$ 645.00 - $ 645.00
$ 645.00
$ 517.00
$ 517.00 - $ 517.00
$ 517.00
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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$ 696.00
$ 696.00 - $ 696.00
$ 696.00
$ 557.00
$ 557.00 - $ 557.00
$ 557.00

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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$ 696.00
$ 696.00 - $ 696.00
$ 696.00
$ 557.00
$ 557.00 - $ 557.00
$ 557.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 557.00
$ 557.00 - $ 557.00
$ 557.00
$ 444.00
$ 444.00 - $ 444.00
$ 444.00

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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$ 557.00
$ 557.00 - $ 557.00
$ 557.00
$ 444.00
$ 444.00 - $ 444.00
$ 444.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 627.00
$ 627.00 - $ 627.00
$ 627.00
$ 502.00
$ 502.00 - $ 502.00
$ 502.00

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
$ 627.00
$ 627.00 - $ 627.00
$ 627.00
$ 502.00
$ 502.00 - $ 502.00
$ 502.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 561.00
$ 561.00 - $ 561.00
$ 561.00
$ 448.00
$ 448.00 - $ 448.00
$ 448.00

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
$ 561.00
$ 561.00 - $ 561.00
$ 561.00
$ 448.00
$ 448.00 - $ 448.00
$ 448.00
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
$ 511.00
$ 511.00 - $ 511.00
$ 511.00

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
$ 637.00
$ 637.00 - $ 637.00
$ 637.00
$ 511.00
$ 511.00 - $ 511.00
$ 511.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 566.00
$ 566.00 - $ 566.00
$ 566.00
$ 454.00
$ 454.00 - $ 454.00
$ 454.00

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
$ 566.00
$ 566.00 - $ 566.00
$ 566.00
$ 454.00
$ 454.00 - $ 454.00
$ 454.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 645.00
$ 645.00 - $ 645.00
$ 645.00
$ 517.00
$ 517.00 - $ 517.00
$ 517.00

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
$ 645.00
$ 645.00 - $ 645.00
$ 645.00
$ 517.00
$ 517.00 - $ 517.00
$ 517.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 633.00
$ 633.00 - $ 633.00
$ 633.00
$ 507.00
$ 507.00 - $ 507.00
$ 507.00

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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$ 633.00
$ 633.00 - $ 633.00
$ 633.00
$ 507.00
$ 507.00 - $ 507.00
$ 507.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 589.00
$ 589.00 - $ 589.00
$ 589.00
$ 471.00
$ 471.00 - $ 471.00
$ 471.00

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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$ 589.00
$ 589.00 - $ 589.00
$ 589.00
$ 471.00
$ 471.00 - $ 471.00
$ 471.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 597.00
$ 597.00 - $ 597.00
$ 597.00
$ 477.00
$ 477.00 - $ 477.00
$ 477.00

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...

View full details
$ 597.00
$ 597.00 - $ 597.00
$ 597.00
$ 477.00
$ 477.00 - $ 477.00
$ 477.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 671.00
$ 671.00 - $ 671.00
$ 671.00
$ 536.00
$ 536.00 - $ 536.00
$ 536.00

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
$ 671.00
$ 671.00 - $ 671.00
$ 671.00
$ 536.00
$ 536.00 - $ 536.00
$ 536.00
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
$ 465.00
$ 465.00 - $ 465.00
$ 465.00

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...

View full details
$ 582.00
$ 582.00 - $ 582.00
$ 582.00
$ 465.00
$ 465.00 - $ 465.00
$ 465.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 679.00
$ 679.00 - $ 679.00
$ 679.00
$ 542.00
$ 542.00 - $ 542.00
$ 542.00

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
$ 679.00
$ 679.00 - $ 679.00
$ 679.00
$ 542.00
$ 542.00 - $ 542.00
$ 542.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 1,615.00
$ 1,615.00 - $ 1,615.00
$ 1,615.00
$ 1,293.00
$ 1,293.00 - $ 1,293.00
$ 1,293.00

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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$ 1,615.00
$ 1,615.00 - $ 1,615.00
$ 1,615.00
$ 1,293.00
$ 1,293.00 - $ 1,293.00
$ 1,293.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 427.00
$ 427.00 - $ 427.00
$ 427.00
$ 342.00
$ 342.00 - $ 342.00
$ 342.00

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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$ 427.00
$ 427.00 - $ 427.00
$ 427.00
$ 342.00
$ 342.00 - $ 342.00
$ 342.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 666.00
$ 666.00 - $ 666.00
$ 666.00
$ 532.00
$ 532.00 - $ 532.00
$ 532.00

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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$ 666.00
$ 666.00 - $ 666.00
$ 666.00
$ 532.00
$ 532.00 - $ 532.00
$ 532.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 511.00
$ 511.00 - $ 511.00
$ 511.00
$ 408.00
$ 408.00 - $ 408.00
$ 408.00

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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$ 511.00
$ 511.00 - $ 511.00
$ 511.00
$ 408.00
$ 408.00 - $ 408.00
$ 408.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 1,602.00
$ 1,602.00 - $ 1,602.00
$ 1,602.00
$ 1,281.00
$ 1,281.00 - $ 1,281.00
$ 1,281.00

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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$ 1,602.00
$ 1,602.00 - $ 1,602.00
$ 1,602.00
$ 1,281.00
$ 1,281.00 - $ 1,281.00
$ 1,281.00
Save 20% Save %

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