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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 %
$ 516.00
$ 516.00 - $ 516.00
$ 516.00
$ 412.00
$ 412.00 - $ 412.00
$ 412.00

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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$ 516.00
$ 516.00 - $ 516.00
$ 516.00
$ 412.00
$ 412.00 - $ 412.00
$ 412.00
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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 %
$ 582.00
$ 582.00 - $ 582.00
$ 582.00
$ 465.00
$ 465.00 - $ 465.00
$ 465.00

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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$ 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 %
$ 520.00
$ 520.00 - $ 520.00
$ 520.00
$ 416.00
$ 416.00 - $ 416.00
$ 416.00

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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$ 520.00
$ 520.00 - $ 520.00
$ 520.00
$ 416.00
$ 416.00 - $ 416.00
$ 416.00
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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 %
$ 580.00
$ 580.00 - $ 580.00
$ 580.00
$ 465.00
$ 465.00 - $ 465.00
$ 465.00

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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$ 580.00
$ 580.00 - $ 580.00
$ 580.00
$ 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
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$ 532.00
$ 532.00 - $ 532.00
$ 532.00
$ 426.00
$ 426.00 - $ 426.00
$ 426.00

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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$ 532.00
$ 532.00 - $ 532.00
$ 532.00
$ 426.00
$ 426.00 - $ 426.00
$ 426.00
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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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$ 598.00
$ 598.00 - $ 598.00
$ 598.00
$ 479.00
$ 479.00 - $ 479.00
$ 479.00

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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$ 598.00
$ 598.00 - $ 598.00
$ 598.00
$ 479.00
$ 479.00 - $ 479.00
$ 479.00
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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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$ 645.00
$ 645.00 - $ 645.00
$ 645.00
$ 516.00
$ 516.00 - $ 516.00
$ 516.00

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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$ 645.00
$ 645.00 - $ 645.00
$ 645.00
$ 516.00
$ 516.00 - $ 516.00
$ 516.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 516.00
$ 516.00 - $ 516.00
$ 516.00
$ 412.00
$ 412.00 - $ 412.00
$ 412.00

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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$ 516.00
$ 516.00 - $ 516.00
$ 516.00
$ 412.00
$ 412.00 - $ 412.00
$ 412.00
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-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
$ 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 %
$ 520.00
$ 520.00 - $ 520.00
$ 520.00
$ 416.00
$ 416.00 - $ 416.00
$ 416.00

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...

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$ 520.00
$ 520.00 - $ 520.00
$ 520.00
$ 416.00
$ 416.00 - $ 416.00
$ 416.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 591.00
$ 591.00 - $ 591.00
$ 591.00
$ 474.00
$ 474.00 - $ 474.00
$ 474.00

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
$ 591.00
$ 591.00 - $ 591.00
$ 591.00
$ 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 %
$ 525.00
$ 525.00 - $ 525.00
$ 525.00
$ 421.00
$ 421.00 - $ 421.00
$ 421.00

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
$ 525.00
$ 525.00 - $ 525.00
$ 525.00
$ 421.00
$ 421.00 - $ 421.00
$ 421.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 598.00
$ 598.00 - $ 598.00
$ 598.00
$ 479.00
$ 479.00 - $ 479.00
$ 479.00

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
$ 598.00
$ 598.00 - $ 598.00
$ 598.00
$ 479.00
$ 479.00 - $ 479.00
$ 479.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 587.00
$ 587.00 - $ 587.00
$ 587.00
$ 470.00
$ 470.00 - $ 470.00
$ 470.00

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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$ 587.00
$ 587.00 - $ 587.00
$ 587.00
$ 470.00
$ 470.00 - $ 470.00
$ 470.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 546.00
$ 546.00 - $ 546.00
$ 546.00
$ 437.00
$ 437.00 - $ 437.00
$ 437.00

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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$ 546.00
$ 546.00 - $ 546.00
$ 546.00
$ 437.00
$ 437.00 - $ 437.00
$ 437.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 553.00
$ 553.00 - $ 553.00
$ 553.00
$ 442.00
$ 442.00 - $ 442.00
$ 442.00

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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$ 553.00
$ 553.00 - $ 553.00
$ 553.00
$ 442.00
$ 442.00 - $ 442.00
$ 442.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 622.00
$ 622.00 - $ 622.00
$ 622.00
$ 497.00
$ 497.00 - $ 497.00
$ 497.00

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
$ 622.00
$ 622.00 - $ 622.00
$ 622.00
$ 497.00
$ 497.00 - $ 497.00
$ 497.00
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
$ 432.00
$ 432.00 - $ 432.00
$ 432.00

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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$ 539.00
$ 539.00 - $ 539.00
$ 539.00
$ 432.00
$ 432.00 - $ 432.00
$ 432.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 629.00
$ 629.00 - $ 629.00
$ 629.00
$ 502.00
$ 502.00 - $ 502.00
$ 502.00

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
$ 629.00
$ 629.00 - $ 629.00
$ 629.00
$ 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 %
$ 1,497.00
$ 1,497.00 - $ 1,497.00
$ 1,497.00
$ 1,198.00
$ 1,198.00 - $ 1,198.00
$ 1,198.00

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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$ 1,497.00
$ 1,497.00 - $ 1,497.00
$ 1,497.00
$ 1,198.00
$ 1,198.00 - $ 1,198.00
$ 1,198.00
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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$ 396.00
$ 396.00 - $ 396.00
$ 396.00
$ 317.00
$ 317.00 - $ 317.00
$ 317.00

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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$ 396.00
$ 396.00 - $ 396.00
$ 396.00
$ 317.00
$ 317.00 - $ 317.00
$ 317.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 617.00
$ 617.00 - $ 617.00
$ 617.00
$ 493.00
$ 493.00 - $ 493.00
$ 493.00

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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$ 617.00
$ 617.00 - $ 617.00
$ 617.00
$ 493.00
$ 493.00 - $ 493.00
$ 493.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 474.00
$ 474.00 - $ 474.00
$ 474.00
$ 378.00
$ 378.00 - $ 378.00
$ 378.00

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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$ 474.00
$ 474.00 - $ 474.00
$ 474.00
$ 378.00
$ 378.00 - $ 378.00
$ 378.00
Save 20% Save %
Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
Save 20% Save %
$ 1,485.00
$ 1,485.00 - $ 1,485.00
$ 1,485.00
$ 1,188.00
$ 1,188.00 - $ 1,188.00
$ 1,188.00

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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$ 1,485.00
$ 1,485.00 - $ 1,485.00
$ 1,485.00
$ 1,188.00
$ 1,188.00 - $ 1,188.00
$ 1,188.00
Save 20% Save %

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