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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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$ 36.89
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$ 36.89
$ 29.49
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$ 29.49

Foster 2903GB, 3 Series, Industrial Coupler, Automatic, 1/8" Male NPT, Brass

Series: 3 Part Number: 2903GB Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 1/8" Male NPT, FPT Material: Heavy-Duty B...

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$ 36.89
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$ 29.49
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$ 29.49
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$ 22.69
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$ 22.69
$ 18.19
$ 18.19 - $ 18.19
$ 18.19

Foster 3703GS, 3 Series, Industrial Coupler, Automatic, 3/8" Hose Barb, Brass, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3703GS is a Steel 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 22.69
$ 22.69 - $ 22.69
$ 22.69
$ 18.19
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$ 18.19
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$ 27.79
$ 27.79 - $ 27.79
$ 27.79
$ 22.19
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$ 22.19

Foster 3653GS, 3 Series, Industrial Coupler, Automatic, 5/16" Hose Barb, Brass, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3653GS is a Steel 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 27.79
$ 27.79 - $ 27.79
$ 27.79
$ 22.19
$ 22.19 - $ 22.19
$ 22.19
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$ 22.59
$ 22.59 - $ 22.59
$ 22.59
$ 18.09
$ 18.09 - $ 18.09
$ 18.09

Foster 3203GS, 3 Series, Industrial Coupler, Automatic, 3/8" Female NPT, Brass, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3203GS is a Steel 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 22.59
$ 22.59 - $ 22.59
$ 22.59
$ 18.09
$ 18.09 - $ 18.09
$ 18.09
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$ 21.59
$ 21.59 - $ 21.59
$ 21.59
$ 17.29
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$ 17.29

Foster 3103GS, 3 Series, Industrial Coupler, Automatic, 1/4" Male NPT, Brass, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3103GS is a Steel 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 21.59
$ 21.59 - $ 21.59
$ 21.59
$ 17.29
$ 17.29 - $ 17.29
$ 17.29
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$ 16.39
$ 16.39 - $ 16.39
$ 16.39
$ 13.19
$ 13.19 - $ 13.19
$ 13.19

Foster 2903GS, 3 Series, Industrial Coupler, Automatic, 1/8" Male NPT, Brass, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 2903 is a Brass/Steel 1/4" industrial coupler from the Foster 3 Series — t...

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$ 16.39
$ 16.39 - $ 16.39
$ 16.39
$ 13.19
$ 13.19 - $ 13.19
$ 13.19
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$ 29.69
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$ 29.69
$ 23.79
$ 23.79 - $ 23.79
$ 23.79

Foster 2803GS, 3 Series, Industrial Coupler, Automatic, 1/8" Female NPT, Brass, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 2803GS is a Steel 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 29.69
$ 29.69 - $ 29.69
$ 29.69
$ 23.79
$ 23.79 - $ 23.79
$ 23.79
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$ 23.19
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$ 23.19
$ 18.59
$ 18.59 - $ 18.59
$ 18.59

Foster FM3653, 3 Series, Industrial Coupler, Automatic, 5/16" Hose Barb, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster FM3653 is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 23.19
$ 23.19 - $ 23.19
$ 23.19
$ 18.59
$ 18.59 - $ 18.59
$ 18.59
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$ 68.79
$ 68.79 - $ 68.79
$ 68.79
$ 55.09
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$ 55.09

Foster 3703S/S, 3 Series, Industrial Coupler, Manual, 3/8" Hose Barb, Stainless Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3703S/S is a 303 Stainless 1/4" industrial coupler from the Foster 3 Serie...

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$ 68.79
$ 68.79 - $ 68.79
$ 68.79
$ 55.09
$ 55.09 - $ 55.09
$ 55.09
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$ 66.39
$ 66.39 - $ 66.39
$ 66.39
$ 53.09
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$ 53.09

Foster 3203S/S, 3 Series, Industrial Coupler, Manual, 3/8" Female NPT, Stainless Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3203S/S is a 303 Stainless 1/4" industrial coupler from the Foster 3 Serie...

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$ 66.39
$ 66.39 - $ 66.39
$ 66.39
$ 53.09
$ 53.09 - $ 53.09
$ 53.09
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$ 27.49
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$ 27.49
$ 21.99
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$ 21.99

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

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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$ 9.79
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$ 9.79
$ 7.79
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$ 7.79

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

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
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$ 7.79
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$ 44.59
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$ 44.59
$ 35.69
$ 35.69 - $ 35.69
$ 35.69

Foster 17-3S/S, 3 Series, Industrial Plug, 3/8" Hose Barb, Stainless Steel

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
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$ 44.99
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$ 44.99
$ 35.99
$ 35.99 - $ 35.99
$ 35.99

Foster 3103S/S, 3 Series, Industrial Coupler, Manual, 1/4" Male NPT, Stainless Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3103S/S is a 303 Stainless 1/4" industrial coupler from the Foster 3 Serie...

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$ 44.99
$ 44.99 - $ 44.99
$ 44.99
$ 35.99
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$ 35.99
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$ 7.89
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$ 7.89
$ 6.29
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$ 6.29

Foster TF43, TF4 Series, 3/8" True-Flate, Automotive, Plug, 3/8" Female NPT, Steel

Series: TF4 Part Number: TF43 Interchange: True-Flate, Automotive Body: 3/8" Plug Thread: 3/8" Female NPT, FPT Material: Heavy-Duty Steel ...

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$ 7.69
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Foster TF42, TF4 Series, 3/8" True-Flate, Automotive, Plug, 3/8" Male NPT, Steel

Series: TF4 Part Number: TF42 Interchange: True-Flate, Automotive Body: 3/8" Plug Thread: 3/8" Male NPT, MPT Material: Heavy-Duty Steel Ra...

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$ 7.69
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$ 8.49
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$ 8.49
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$ 6.79

Foster TF41, TF4 Series, 3/8" True-Flate, Automotive, Plug, 1/4" Female NPT, Steel

Series: TF4 Part Number: TF41 Interchange: True-Flate, Automotive Body: 3/8" Plug Thread: 1/4" Female NPT, FPT Material: Heavy-Duty Steel ...

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$ 8.49
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$ 8.49
$ 6.79
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$ 4.09
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$ 4.09
$ 3.29
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$ 3.29

Foster TF12, TF Series, True-Flate, Automotive, Plug, 1/8" Male NPT, Steel

Series: TF3 Part Number: TF12 Interchange: True-Flate, Automotive Body: 1/4" Plug Thread: 1/8" Male NPT, MPT Material: Heavy-Duty Steel Ra...

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$ 4.09
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$ 4.09
$ 3.29
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$ 3.29
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$ 31.79
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$ 31.79
$ 25.39
$ 25.39 - $ 25.39
$ 25.39

Foster FM4604, 4 Series, Industrial Coupler, Automatic, 1/4" Hose Barb, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4604 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

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$ 31.79
$ 31.79 - $ 31.79
$ 31.79
$ 25.39
$ 25.39 - $ 25.39
$ 25.39
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$ 25.19
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$ 20.09
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$ 20.09

Foster 4304, 4 Series, Industrial Coupler, Manual, 3/8" Male NPT, Brass, Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4304 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

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$ 25.19
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$ 25.19
$ 20.09
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$ 6.99
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$ 5.59
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$ 5.59

Foster 49-4, 4 Series, Industrial Plug, 1/2" Hose Barb, Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 49-4 is a Steel 3/8" industrial plug from the Foster 4 Series — a high-flo...

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$ 6.99
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$ 6.99
$ 5.59
$ 5.59 - $ 5.59
$ 5.59
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$ 17.09
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$ 17.09
$ 13.69
$ 13.69 - $ 13.69
$ 13.69

Foster 3653, 3 Series, Industrial Coupler, Manual, 5/16" Hose Barb, Brass, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3653 is a Brass/Steel 1/4" industrial coupler from the Foster 3 Series — t...

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$ 17.09
$ 17.09 - $ 17.09
$ 17.09
$ 13.69
$ 13.69 - $ 13.69
$ 13.69
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$ 15.99
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$ 15.99
$ 12.79
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$ 12.79

Foster 1513, 3 Series, Industrial Coupler, Manual, 1/4" Hose Barb (Push-On), Brass, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 1513 is a Brass/Steel 1/4" industrial coupler from the Foster 3 Series — t...

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$ 15.99
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$ 15.99
$ 12.79
$ 12.79 - $ 12.79
$ 12.79
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$ 65.29
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$ 65.29
$ 52.19
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$ 52.19

Foster K8B, FHK Series, ISO B, 1" Two Way Shut-off, Plug, Brass

Series: FHK Part Number: K8B Interchange: ISO B 7241-1 Plug Body: 1" Valved Thread: 1" Female NPT, FPT Material: Solid Brass Quantity: 1

$ 65.29
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$ 65.29
$ 52.19
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