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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 %
$ 29.19
$ 29.19 - $ 29.19
$ 29.19
$ 23.29
$ 23.29 - $ 23.29
$ 23.29

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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$ 29.19
$ 29.19 - $ 29.19
$ 29.19
$ 23.29
$ 23.29 - $ 23.29
$ 23.29
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass Save 20% Save %
$ 32.89
$ 32.89 - $ 32.89
$ 32.89
$ 26.29
$ 26.29 - $ 26.29
$ 26.29

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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$ 32.89
$ 32.89 - $ 32.89
$ 32.89
$ 26.29
$ 26.29 - $ 26.29
$ 26.29
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass Save 20% Save %
$ 29.39
$ 29.39 - $ 29.39
$ 29.39
$ 23.49
$ 23.49 - $ 23.49
$ 23.49

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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$ 29.39
$ 29.39 - $ 29.39
$ 29.39
$ 23.49
$ 23.49 - $ 23.49
$ 23.49
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass Save 20% Save %
$ 32.79
$ 32.79 - $ 32.79
$ 32.79
$ 26.29
$ 26.29 - $ 26.29
$ 26.29

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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$ 32.79
$ 32.79 - $ 32.79
$ 32.79
$ 26.29
$ 26.29 - $ 26.29
$ 26.29
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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$ 30.09
$ 30.09 - $ 30.09
$ 30.09
$ 24.09
$ 24.09 - $ 24.09
$ 24.09

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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$ 30.09
$ 30.09 - $ 30.09
$ 30.09
$ 24.09
$ 24.09 - $ 24.09
$ 24.09
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 33.79
$ 33.79 - $ 33.79
$ 33.79
$ 27.09
$ 27.09 - $ 27.09
$ 27.09

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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$ 33.79
$ 33.79 - $ 33.79
$ 33.79
$ 27.09
$ 27.09 - $ 27.09
$ 27.09
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 36.49
$ 36.49 - $ 36.49
$ 36.49
$ 29.19
$ 29.19 - $ 29.19
$ 29.19

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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$ 36.49
$ 36.49 - $ 36.49
$ 36.49
$ 29.19
$ 29.19 - $ 29.19
$ 29.19
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 29.19
$ 29.19 - $ 29.19
$ 29.19
$ 23.29
$ 23.29 - $ 23.29
$ 23.29

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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$ 29.19
$ 29.19 - $ 29.19
$ 29.19
$ 23.29
$ 23.29 - $ 23.29
$ 23.29
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 32.89
$ 32.89 - $ 32.89
$ 32.89
$ 26.29
$ 26.29 - $ 26.29
$ 26.29

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
$ 32.89
$ 32.89 - $ 32.89
$ 32.89
$ 26.29
$ 26.29 - $ 26.29
$ 26.29
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 29.39
$ 29.39 - $ 29.39
$ 29.39
$ 23.49
$ 23.49 - $ 23.49
$ 23.49

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
$ 29.39
$ 29.39 - $ 29.39
$ 29.39
$ 23.49
$ 23.49 - $ 23.49
$ 23.49
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 33.39
$ 33.39 - $ 33.39
$ 33.39
$ 26.79
$ 26.79 - $ 26.79
$ 26.79

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
$ 33.39
$ 33.39 - $ 33.39
$ 33.39
$ 26.79
$ 26.79 - $ 26.79
$ 26.79
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 29.69
$ 29.69 - $ 29.69
$ 29.69
$ 23.79
$ 23.79 - $ 23.79
$ 23.79

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
$ 29.69
$ 29.69 - $ 29.69
$ 29.69
$ 23.79
$ 23.79 - $ 23.79
$ 23.79
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 33.79
$ 33.79 - $ 33.79
$ 33.79
$ 27.09
$ 27.09 - $ 27.09
$ 27.09

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
$ 33.79
$ 33.79 - $ 33.79
$ 33.79
$ 27.09
$ 27.09 - $ 27.09
$ 27.09
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 33.19
$ 33.19 - $ 33.19
$ 33.19
$ 26.59
$ 26.59 - $ 26.59
$ 26.59

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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$ 33.19
$ 33.19 - $ 33.19
$ 33.19
$ 26.59
$ 26.59 - $ 26.59
$ 26.59
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 30.89
$ 30.89 - $ 30.89
$ 30.89
$ 24.69
$ 24.69 - $ 24.69
$ 24.69

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...

View full details
$ 30.89
$ 30.89 - $ 30.89
$ 30.89
$ 24.69
$ 24.69 - $ 24.69
$ 24.69
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 31.29
$ 31.29 - $ 31.29
$ 31.29
$ 24.99
$ 24.99 - $ 24.99
$ 24.99

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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$ 31.29
$ 31.29 - $ 31.29
$ 31.29
$ 24.99
$ 24.99 - $ 24.99
$ 24.99
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 35.19
$ 35.19 - $ 35.19
$ 35.19
$ 28.09
$ 28.09 - $ 28.09
$ 28.09

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
$ 35.19
$ 35.19 - $ 35.19
$ 35.19
$ 28.09
$ 28.09 - $ 28.09
$ 28.09
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 30.49
$ 30.49 - $ 30.49
$ 30.49
$ 24.39
$ 24.39 - $ 24.39
$ 24.39

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
$ 30.49
$ 30.49 - $ 30.49
$ 30.49
$ 24.39
$ 24.39 - $ 24.39
$ 24.39
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 35.59
$ 35.59 - $ 35.59
$ 35.59
$ 28.39
$ 28.39 - $ 28.39
$ 28.39

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
$ 35.59
$ 35.59 - $ 35.59
$ 35.59
$ 28.39
$ 28.39 - $ 28.39
$ 28.39
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 84.69
$ 84.69 - $ 84.69
$ 84.69
$ 67.79
$ 67.79 - $ 67.79
$ 67.79

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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$ 84.69
$ 84.69 - $ 84.69
$ 84.69
$ 67.79
$ 67.79 - $ 67.79
$ 67.79
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 22.39
$ 22.39 - $ 22.39
$ 22.39
$ 17.89
$ 17.89 - $ 17.89
$ 17.89

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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$ 22.39
$ 22.39 - $ 22.39
$ 22.39
$ 17.89
$ 17.89 - $ 17.89
$ 17.89
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 34.89
$ 34.89 - $ 34.89
$ 34.89
$ 27.89
$ 27.89 - $ 27.89
$ 27.89

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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$ 34.89
$ 34.89 - $ 34.89
$ 34.89
$ 27.89
$ 27.89 - $ 27.89
$ 27.89
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 26.79
$ 26.79 - $ 26.79
$ 26.79
$ 21.39
$ 21.39 - $ 21.39
$ 21.39

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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$ 26.79
$ 26.79 - $ 26.79
$ 26.79
$ 21.39
$ 21.39 - $ 21.39
$ 21.39
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 83.99
$ 83.99 - $ 83.99
$ 83.99
$ 67.19
$ 67.19 - $ 67.19
$ 67.19

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...

View full details
$ 83.99
$ 83.99 - $ 83.99
$ 83.99
$ 67.19
$ 67.19 - $ 67.19
$ 67.19
Save 20% Save %

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