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Foster

Foster quick couplers set the standard in pneumatic and hydraulic connections. Part of the ZSI-Foster line, Foster couplers and plugs cover the full range of industrial interchanges and body sizes in steel, brass, and stainless construction. Built for reliable, repeatable connections in air and fluid systems. Shop the full Foster range below.

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$ 10.59
$ 10.59 - $ 10.59
$ 10.59
$ 7.41
$ 7.41 - $ 7.41
$ 7.41

Foster SHD54, SHD 1/2" Series, Schrader Plug, 1/2" Male NPT, Steel

Series: SHD 1/2" Part Number: SHD54 Interchange: Schrader 1/2", Twist Lock 1/2" Body: 1/2" Plug Thread: 1/2" Male NPT, MPT Material: Heavy-...

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$ 10.59
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$ 7.41
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$ 7.41
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$ 36.69
$ 36.69 - $ 36.69
$ 36.69
$ 25.68
$ 25.68 - $ 25.68
$ 25.68

Foster SHD5305, SHD 1/2" Series, Schrader Coupler, Automatic 1/2" Male NPT

Series: SHD 1/2" Part Number: SHD5305 Interchange: Schrader 1/2", Twist Lock 1/2" Body: 1/2" Plug Thread: 1/2" Male NPT, MPT Material: Heav...

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$ 36.69
$ 36.69 - $ 36.69
$ 36.69
$ 25.68
$ 25.68 - $ 25.68
$ 25.68
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 19% Save %
$ 2.09
$ 2.09 - $ 2.09
$ 2.09
$ 1.69
$ 1.69 - $ 1.69
$ 1.69

Foster 3PDC, 1/4" 3 Series Plug Dust Cap, Plastic

Protect your 1/4" 3 Series quick plugs when not in use. The Foster 3PDC dust cap keeps dirt, chips, and moisture out of the coupling, helping preve...

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$ 2.09
$ 2.09 - $ 2.09
$ 2.09
$ 1.69
$ 1.69 - $ 1.69
$ 1.69
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 12.09
$ 12.09 - $ 12.09
$ 12.09
$ 9.69
$ 9.69 - $ 9.69
$ 9.69

Foster PD13-3, 1/4" Industrial Plug x Reusable Hose Fitting, 3/8" ID x 13/16" OD, 3 Series, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster PD13-3 is a Steel 1/4" industrial plug from the Foster 3 Series — the most...

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$ 12.09
$ 12.09 - $ 12.09
$ 12.09
$ 9.69
$ 9.69 - $ 9.69
$ 9.69
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 10.49
$ 10.49 - $ 10.49
$ 10.49
$ 8.39
$ 8.39 - $ 8.39
$ 8.39

Foster PD11-3, 1/4" Industrial Plug x Reusable Hose Fitting, 3/8" ID x 3/4" OD, 3 Series, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster PD11-3 is a Steel 1/4" industrial plug from the Foster 3 Series — the most...

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$ 10.49
$ 10.49 - $ 10.49
$ 10.49
$ 8.39
$ 8.39 - $ 8.39
$ 8.39
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 9.59
$ 9.59 - $ 9.59
$ 9.59
$ 7.69
$ 7.69 - $ 7.69
$ 7.69

Foster PD9-3, 1/4" Industrial Plug x Reusable Hose Fitting, 3/8" ID x 11/16" OD, 3 Series, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster PD9-3 is a Steel 1/4" industrial plug from the Foster 3 Series — the most ...

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$ 9.59
$ 9.59 - $ 9.59
$ 9.59
$ 7.69
$ 7.69 - $ 7.69
$ 7.69
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 9.19
$ 9.19 - $ 9.19
$ 9.19
$ 7.39
$ 7.39 - $ 7.39
$ 7.39

Foster PD7-3, 1/4" Industrial Plug x Reusable Hose Fitting, 3/8" ID x 5/8" OD, 3 Series, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster PD7-3 is a Steel 1/4" industrial plug from the Foster 3 Series — the most ...

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$ 9.19
$ 9.19 - $ 9.19
$ 9.19
$ 7.39
$ 7.39 - $ 7.39
$ 7.39
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 32.89
$ 32.89 - $ 32.89
$ 32.89
$ 26.29
$ 26.29 - $ 26.29
$ 26.29

Foster PC7-3, 1/4" Industrial Plug x Reusable Hose Fitting, 5/16" ID x 5/8" OD, 3 Series, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster PC7-3 is a Steel 1/4" industrial plug from the Foster 3 Series — the most ...

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$ 32.89
$ 32.89 - $ 32.89
$ 32.89
$ 26.29
$ 26.29 - $ 26.29
$ 26.29
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 19.39
$ 19.39 - $ 19.39
$ 19.39
$ 15.49
$ 15.49 - $ 15.49
$ 15.49

Foster PC5-3, 1/4" Industrial Plug x Reusable Hose Fitting, 5/16" ID x 9/16" OD, 3 Series, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster PC5-3 is a Steel 1/4" industrial plug from the Foster 3 Series — the most ...

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$ 19.39
$ 19.39 - $ 19.39
$ 19.39
$ 15.49
$ 15.49 - $ 15.49
$ 15.49
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 25.79
$ 25.79 - $ 25.79
$ 25.79
$ 20.59
$ 20.59 - $ 20.59
$ 20.59

Foster PB7-3S/S, 1/4" Industrial Plug x Reusable Hose Fitting, 1/4" ID x 5/8" OD, 3 Series, 303 Stainless

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster PB7-3S/S is a 303 Stainless 1/4" industrial plug from the Foster 3 Series ...

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$ 25.79
$ 25.79 - $ 25.79
$ 25.79
$ 20.59
$ 20.59 - $ 20.59
$ 20.59
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 21% Save %
$ 14.09
$ 14.09 - $ 14.09
$ 14.09
$ 11.19
$ 11.19 - $ 11.19
$ 11.19

Foster PB7-3B, 1/4" Industrial Plug x Reusable Hose Fitting, 1/4" ID x 5/8" OD, 3 Series, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster PB7-3B is a Brass 1/4" industrial plug from the Foster 3 Series — the most...

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$ 14.09
$ 14.09 - $ 14.09
$ 14.09
$ 11.19
$ 11.19 - $ 11.19
$ 11.19
Save 21% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 8.19
$ 8.19 - $ 8.19
$ 8.19
$ 6.59
$ 6.59 - $ 6.59
$ 6.59

Foster PB7-3, 1/4" Industrial Plug x Reusable Hose Fitting, 1/4" ID x 5/8" OD, 3 Series, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster PB7-3 is a Steel 1/4" industrial plug from the Foster 3 Series — the most ...

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$ 8.19
$ 8.19 - $ 8.19
$ 8.19
$ 6.59
$ 6.59 - $ 6.59
$ 6.59
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 17.19
$ 17.19 - $ 17.19
$ 17.19
$ 13.69
$ 13.69 - $ 13.69
$ 13.69

Foster PB5-3B, 1/4" Industrial Plug x Reusable Hose Fitting, 1/4" ID x 9/16" OD, 3 Series, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster PB5-3B is a Brass 1/4" industrial plug from the Foster 3 Series — the most...

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$ 17.19
$ 17.19 - $ 17.19
$ 17.19
$ 13.69
$ 13.69 - $ 13.69
$ 13.69
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 8.99
$ 8.99 - $ 8.99
$ 8.99
$ 7.19
$ 7.19 - $ 7.19
$ 7.19

Foster PB5-3, 1/4" Industrial Plug x Reusable Hose Fitting, 1/4" ID x 9/16" OD, 3 Series, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster PB5-3 is a Steel 1/4" industrial plug from the Foster 3 Series — the most ...

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$ 8.99
$ 8.99 - $ 8.99
$ 8.99
$ 7.19
$ 7.19 - $ 7.19
$ 7.19
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 62.59
$ 62.59 - $ 62.59
$ 62.59
$ 50.09
$ 50.09 - $ 50.09
$ 50.09

Foster PB3-3S/S, 1/4" Industrial Plug x Reusable Hose Fitting, 1/4" ID x 1/2" OD, 3 Series, 303 Stainless

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster PB3-3S/S is a 303 Stainless 1/4" industrial plug from the Foster 3 Series ...

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$ 62.59
$ 62.59 - $ 62.59
$ 62.59
$ 50.09
$ 50.09 - $ 50.09
$ 50.09
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 13.59
$ 13.59 - $ 13.59
$ 13.59
$ 10.89
$ 10.89 - $ 10.89
$ 10.89

Foster PB3-3B, 1/4" Industrial Plug x Reusable Hose Fitting, 1/4" ID x 1/2" OD, 3 Series, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster PB3-3B is a Brass 1/4" industrial plug from the Foster 3 Series — the most...

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$ 13.59
$ 13.59 - $ 13.59
$ 13.59
$ 10.89
$ 10.89 - $ 10.89
$ 10.89
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 27.49
$ 27.49 - $ 27.49
$ 27.49
$ 21.99
$ 21.99 - $ 21.99
$ 21.99

Foster 14S-3, 1/4" Industrial Plug x 3/8" Male NPT, 3 Series, Free Swivel, Brass/Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 14S-3 is a Brass/Steel 1/4" industrial plug from the Foster 3 Series — the...

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$ 27.49
$ 27.49 - $ 27.49
$ 27.49
$ 21.99
$ 21.99 - $ 21.99
$ 21.99
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 21% Save %
$ 8.69
$ 8.69 - $ 8.69
$ 8.69
$ 6.89
$ 6.89 - $ 6.89
$ 6.89

Foster 10S-3, 1/4" Industrial Plug x 1/4" Male NPT, 3 Series, Free Swivel, Brass/Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 10S-3 is a Brass/Steel 1/4" industrial plug from the Foster 3 Series — the...

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$ 8.69
$ 8.69 - $ 8.69
$ 8.69
$ 6.89
$ 6.89 - $ 6.89
$ 6.89
Save 21% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 9.79
$ 9.79 - $ 9.79
$ 9.79
$ 7.79
$ 7.79 - $ 7.79
$ 7.79

Foster 12S-3, 1/4" Industrial Plug x 1/8" Male NPT, 3 Series, Free Swivel, Brass/Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 12S-3 is a Brass/Steel 1/4" industrial plug from the Foster 3 Series — the...

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$ 9.79
$ 9.79 - $ 9.79
$ 9.79
$ 7.79
$ 7.79 - $ 7.79
$ 7.79
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 4.59
$ 4.59 - $ 4.59
$ 4.59
$ 3.69
$ 3.69 - $ 3.69
$ 3.69

Foster 71-3, 1/4" Industrial Plug x 3/8" Push-On Hose Stem, 3 Series, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 71-3 is a Steel 1/4" industrial plug from the Foster 3 Series — the most p...

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$ 4.59
$ 4.59 - $ 4.59
$ 4.59
$ 3.69
$ 3.69 - $ 3.69
$ 3.69
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 21% Save %
$ 5.19
$ 5.19 - $ 5.19
$ 5.19
$ 4.09
$ 4.09 - $ 4.09
$ 4.09

Foster 51-3, 1/4" Industrial Plug x 1/4" Push-On Hose Stem, 3 Series, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 51-3 is a Steel 1/4" industrial plug from the Foster 3 Series — the most p...

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$ 5.19
$ 5.19 - $ 5.19
$ 5.19
$ 4.09
$ 4.09 - $ 4.09
$ 4.09
Save 21% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 44.59
$ 44.59 - $ 44.59
$ 44.59
$ 35.69
$ 35.69 - $ 35.69
$ 35.69

Foster 17-3S/S, 1/4" Industrial Plug x 3/8" Hose ID, 3 Series, 303 Stainless

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 17-3S/S is a 303 Stainless 1/4" industrial plug from the Foster 3 Series —...

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$ 44.59
$ 44.59 - $ 44.59
$ 44.59
$ 35.69
$ 35.69 - $ 35.69
$ 35.69
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 8.49
$ 8.49 - $ 8.49
$ 8.49
$ 6.79
$ 6.79 - $ 6.79
$ 6.79

Foster 165-3, 1/4" Industrial Plug x 5/16" Hose ID, 3 Series, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 165-3 is a Steel 1/4" industrial plug from the Foster 3 Series — the most ...

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$ 8.49
$ 8.49 - $ 8.49
$ 8.49
$ 6.79
$ 6.79 - $ 6.79
$ 6.79
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 19% Save %
$ 7.29
$ 7.29 - $ 7.29
$ 7.29
$ 5.89
$ 5.89 - $ 5.89
$ 5.89

Foster 17-3B, 1/4" Industrial Plug x 3/8" Hose ID, 3 Series, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 17-3B is a Brass 1/4" industrial plug from the Foster 3 Series — the most ...

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$ 7.29
$ 7.29 - $ 7.29
$ 7.29
$ 5.89
$ 5.89 - $ 5.89
$ 5.89
Save 19% Save %

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