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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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$ 26.69
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$ 26.69
$ 21.39
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$ 21.39

Foster K4B, FHK Series, ISO B, 1/2" Two Way Shut-off, Plug, Brass

Series: FHK Part Number: K4B Interchange: ISO B 7241-1 Plug Body: 1/2" Valved Thread: 1/2" Female NPT, FPT Material: Solid Brass Quantity: 1

$ 26.69
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$ 26.69
$ 21.39
$ 21.39 - $ 21.39
$ 21.39
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$ 18.19
$ 18.19 - $ 18.19
$ 18.19
$ 14.59
$ 14.59 - $ 14.59
$ 14.59

Foster K3B, FHK Series, ISO B, 3/8" Two Way Shut-off, Plug, Brass

Series: FHK Part Number: K3B Interchange: ISO B 7241-1 Plug Body: 3/8" Valved Thread: 3/8" Female NPT, FPT Material: Solid Brass Quantity: 1

$ 18.19
$ 18.19 - $ 18.19
$ 18.19
$ 14.59
$ 14.59 - $ 14.59
$ 14.59
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$ 63.79
$ 63.79 - $ 63.79
$ 63.79
$ 50.99
$ 50.99 - $ 50.99
$ 50.99

Foster H4B, FHK Series, ISO B, 1/2" Two Way Shut-off, Coupler, Brass

Series: FHK Part Number: H3B Interchange: ISO B 7241-1 Coupler Body: 1/2" Valved Thread: 1/2" Female NPT, FPT Material: Solid Brass Quantity: 1

$ 63.79
$ 63.79 - $ 63.79
$ 63.79
$ 50.99
$ 50.99 - $ 50.99
$ 50.99
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$ 5.79
$ 5.79 - $ 5.79
$ 5.79
$ 4.69
$ 4.69 - $ 4.69
$ 4.69

Foster TF40, TF4 Series, 3/8" True-Flate, Automotive, Plug, 1/4" Male NPT, Steel

Series: TF4 Part Number: TF40 Interchange: True-Flate, Automotive Body: 3/8" Plug Thread: 1/4" Male NPT, MPT Material: Heavy-Duty Steel Ra...

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$ 5.79
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$ 5.79
$ 4.69
$ 4.69 - $ 4.69
$ 4.69
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$ 20.09
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$ 20.09
$ 16.09
$ 16.09 - $ 16.09
$ 16.09

Foster TF3703, TF Series, True-Flate, Automotive, Coupler, Automatic, 3/8" Hose Barb, Brass, Steel

Series: TF3 Part Number: TF3703 Interchange: True-Flate, Automotive Body: 1/4" Coupler, Automatic Thread: 3/8" Hose Barb Material: Heavy-Du...

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$ 20.09
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$ 16.09
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$ 16.09
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$ 11.19
$ 11.19 - $ 11.19
$ 11.19
$ 8.89
$ 8.89 - $ 8.89
$ 8.89

Foster TF17, TF Series, True-Flate, Automotive, Plug, 3/8" Hose Barb, Steel

Series: TF3 Part Number: TF17 Interchange: True-Flate, Automotive Body: 1/4" Plug Thread: 3/8" Hose Barb Material: Heavy-Duty Steel Rated ...

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$ 11.19
$ 11.19 - $ 11.19
$ 11.19
$ 8.89
$ 8.89 - $ 8.89
$ 8.89
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$ 7.79
$ 7.79 - $ 7.79
$ 7.79
$ 6.19
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$ 6.19

Foster TF15, TF Series, True-Flate, Automotive, Plug, 3/8" Female NPT, Steel

Series: TF3 Part Number: TF15 Interchange: True-Flate, Automotive Body: 1/4" Plug Thread: 3/8" Female NPT, FPT Material: Heavy-Duty Steel ...

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$ 7.79
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$ 7.79
$ 6.19
$ 6.19 - $ 6.19
$ 6.19
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$ 4.09
$ 4.09 - $ 4.09
$ 4.09
$ 3.29
$ 3.29 - $ 3.29
$ 3.29

Foster TF13, TF Series, True-Flate, Automotive, Plug, 1/8" Female NPT, Steel

Series: TF3 Part Number: TF13 Interchange: True-Flate, Automotive Body: 1/4" Plug Thread: 1/8" Female NPT, FPT Material: Heavy-Duty Steel ...

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$ 4.09
$ 4.09 - $ 4.09
$ 4.09
$ 3.29
$ 3.29 - $ 3.29
$ 3.29
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$ 3.39
$ 3.39 - $ 3.39
$ 3.39
$ 2.69
$ 2.69 - $ 2.69
$ 2.69

Foster TF11, TF Series, True-Flate, Automotive, Plug, 1/4" Female NPT, Steel

Series: TF3 Part Number: TF11 Interchange: True-Flate, Automotive Body: 1/4" Plug Thread: 1/4" Female NPT, FPT Material: Heavy-Duty Steel ...

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$ 3.39
$ 3.39 - $ 3.39
$ 3.39
$ 2.69
$ 2.69 - $ 2.69
$ 2.69
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$ 43.69
$ 43.69 - $ 43.69
$ 43.69
$ 34.99
$ 34.99 - $ 34.99
$ 34.99

Foster LN2903, LN Series, Lincoln Coupler, Automatic 1/8" Male NPT, Brass, Steel

Series: LN Part Number: LN2903 Interchange: Lincoln Body: 1/4" Coupler, Automatic Thread: 1/8" Male NPT, MPT Material: Heavy-Duty Brass, St...

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$ 43.69
$ 43.69 - $ 43.69
$ 43.69
$ 34.99
$ 34.99 - $ 34.99
$ 34.99
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$ 69.89
$ 69.89 - $ 69.89
$ 69.89
$ 55.89
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$ 55.89

Foster LN2803, LN Series, Lincoln Coupler, Automatic 1/8" Female NPT, Brass, Steel

Series: LN Part Number: LN2803 Interchange: Lincoln Body: 1/4" Coupler, Automatic Thread: 1/8" Female NPT, FPT Material: Heavy-Duty Brass, ...

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$ 69.89
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$ 69.89
$ 55.89
$ 55.89 - $ 55.89
$ 55.89
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$ 41.39
$ 41.39 - $ 41.39
$ 41.39
$ 33.09
$ 33.09 - $ 33.09
$ 33.09

Foster LN3703, LN Series, Lincoln Coupler, Automatic 3/8" Hose Barb, Brass, Steel

Series: LN Part Number: LN3703 Interchange: Lincoln Body: 1/4" Coupler, Automatic Thread: 3/8" Hose Barb Material: Heavy-Duty Brass, Steel ...

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$ 41.39
$ 41.39 - $ 41.39
$ 41.39
$ 33.09
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$ 33.09
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$ 40.19
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$ 40.19
$ 32.09
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$ 32.09

Foster LN3603, LN Series, Lincoln Coupler, Automatic 1/4" Hose Barb, Brass, Steel

Series: LN Part Number: LN3603 Interchange: Lincoln Body: 1/4" Coupler, Automatic Thread: 1/4" Hose Barb Material: Heavy-Duty Brass, Steel ...

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$ 40.19
$ 40.19 - $ 40.19
$ 40.19
$ 32.09
$ 32.09 - $ 32.09
$ 32.09
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$ 39.79
$ 39.79 - $ 39.79
$ 39.79
$ 31.89
$ 31.89 - $ 31.89
$ 31.89

Foster LN3303, LN Series, Lincoln Coupler, Automatic 3/8" Male NPT, Brass, Steel

Series: LN Part Number: LN3303 Interchange: Lincoln Body: 1/4" Coupler, Automatic Thread: 3/8" Male NPT, MPT Material: Heavy-Duty Brass, St...

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$ 39.79
$ 39.79 - $ 39.79
$ 39.79
$ 31.89
$ 31.89 - $ 31.89
$ 31.89
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$ 14.49
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$ 14.49
$ 11.59
$ 11.59 - $ 11.59
$ 11.59

Foster 60-5G, 5 Series, Industrial Plug, Ball Check, 1/2" Hose Barb, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 60-5G is a Steel 1/2" industrial plug from the Foster 5 Series —...

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$ 14.49
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$ 14.49
$ 11.59
$ 11.59 - $ 11.59
$ 11.59
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$ 6.39
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$ 6.39
$ 5.09
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$ 5.09

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

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 71-4 is a Steel 3/8" industrial plug from the Foster 4 Series — a high-flo...

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$ 6.39
$ 6.39 - $ 6.39
$ 6.39
$ 5.09
$ 5.09 - $ 5.09
$ 5.09
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$ 17.69
$ 17.69 - $ 17.69
$ 17.69
$ 14.09
$ 14.09 - $ 14.09
$ 14.09

Foster SG2903, 3 Series, Industrial Coupler, Manual, Sleeve Guard, 1/8" Male NPT, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster SG2903 is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 17.69
$ 17.69 - $ 17.69
$ 17.69
$ 14.09
$ 14.09 - $ 14.09
$ 14.09
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$ 21.49
$ 21.49 - $ 21.49
$ 21.49
$ 17.19
$ 17.19 - $ 17.19
$ 17.19

Foster SG2803, 3 Series, Industrial Coupler, Manual, Sleeve Guard, 1/8" Female NPT, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster SG2803 is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 21.49
$ 21.49 - $ 21.49
$ 21.49
$ 17.19
$ 17.19 - $ 17.19
$ 17.19
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$ 14.89
$ 14.89 - $ 14.89
$ 14.89
$ 11.89
$ 11.89 - $ 11.89
$ 11.89

Foster SG1513, 3 Series, Industrial Coupler, Manual, Sleeve Guard, 1/4" Push-On Hose Barb, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster SG1513 is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 14.89
$ 14.89 - $ 14.89
$ 14.89
$ 11.89
$ 11.89 - $ 11.89
$ 11.89
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$ 28.79
$ 28.79 - $ 28.79
$ 28.79
$ 23.09
$ 23.09 - $ 23.09
$ 23.09

Foster 3603GB, 3 Series, Industrial Coupler, Automatic, 1/4" Hose Barb, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3603GB is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 28.79
$ 28.79 - $ 28.79
$ 28.79
$ 23.09
$ 23.09 - $ 23.09
$ 23.09
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$ 6.09
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$ 6.09
$ 4.89
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$ 4.89

Foster 210-51, Aro 210 Series, Plug, 1/4" Push-On Hose Barb, Steel

Series: 210 Part Number: 210-51 Interchange: Aro 210 Body: 1/4" Plug Thread: 1/4" Push-On Hose Barb Material: Heavy-Duty Steel Rated Pressu...

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$ 6.09
$ 6.09 - $ 6.09
$ 6.09
$ 4.89
$ 4.89 - $ 4.89
$ 4.89
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$ 19.29
$ 19.29 - $ 19.29
$ 19.29
$ 15.49
$ 15.49 - $ 15.49
$ 15.49

Foster 210-2903, Aro 210 Series, Coupler, Automatic, 1/8" Male NPT, Brass, Steel

Series: 210 Part number: 210-2903 Interchange: Aro 210 Body: 1/4" Coupler, Automatic Thread: 1/8" Male NPT, MPT Material: Heavy-Duty Brass, ...

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$ 19.29
$ 19.29 - $ 19.29
$ 19.29
$ 15.49
$ 15.49 - $ 15.49
$ 15.49
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