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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Original price $ 28.09Original price $ 28.09 - Original price $ 28.09Original price $ 28.09Current price $ 19.66$ 19.66 - $ 19.66Current price $ 19.66
Foster FM4404, 4 Series, Industrial Coupler, Automatic, 1/2" Female NPT, Brass
In stockSeries: 4 Part Number: FM4404 Interchange: Industrial Body: 3/8" Coupler, Automatic Thread: 1/2" Female NPT, FPT Material: Heavy-Duty Bras...
View full detailsOriginal price $ 28.09Original price $ 28.09 - Original price $ 28.09Original price $ 28.09Current price $ 19.66$ 19.66 - $ 19.66Current price $ 19.66Save 30% -
Original price $ 20.99Original price $ 20.99 - Original price $ 20.99Original price $ 20.99Current price $ 14.69$ 14.69 - $ 14.69Current price $ 14.69
Foster 4204, 4 Series, Industrial Coupler, Manual, 3/8" Female NPT, Brass, Steel
In stockSeries: 4 Part Number: 4204 Interchange: Industrial, I/M Body: 3/8" Manual Coupler Thread: 3/8" Female NPT, FPT Material: Heavy-Duty Brass...
View full detailsOriginal price $ 20.99Original price $ 20.99 - Original price $ 20.99Original price $ 20.99Current price $ 14.69$ 14.69 - $ 14.69Current price $ 14.69Save 30% -
Original price $ 10.99Original price $ 10.99 - Original price $ 10.99Original price $ 10.99Current price $ 7.69$ 7.69 - $ 7.69Current price $ 7.69
Foster SG3003, 3 Series, Industrial Coupler, Manual, Sleeve Guard, 1/4" Female NPT, Brass
In stockSeries: 3 Part Number: SG3003 Interchange: Industrial, I/M Body: 1/4" Coupler, Manual, Sleeve Guard Thread: 1/4" Female NPT, FPT Material:...
View full detailsOriginal price $ 10.99Original price $ 10.99 - Original price $ 10.99Original price $ 10.99Current price $ 7.69$ 7.69 - $ 7.69Current price $ 7.69Save 30% -
Original price $ 18.99Original price $ 18.99 - Original price $ 18.99Original price $ 18.99Current price $ 13.29$ 13.29 - $ 13.29Current price $ 13.29
Foster FM3203, 3 Series, Industrial Coupler, Automatic, 3/8" Female NPT, Brass
In stockSeries: 3 Part Number: FM3203 Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 3/8" Female NPT, FPT Material: Heavy-Duty...
View full detailsOriginal price $ 18.99Original price $ 18.99 - Original price $ 18.99Original price $ 18.99Current price $ 13.29$ 13.29 - $ 13.29Current price $ 13.29Save 30% -
Original price $ 12.49Original price $ 12.49 - Original price $ 12.49Original price $ 12.49Current price $ 8.74$ 8.74 - $ 8.74Current price $ 8.74
Foster 3603, 3 Series, Industrial Coupler, Manual, 1/4" Hose Barb, Brass, Steel
In stockSeries: 3 Part Number: 3603 Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 1/4" Hose Barb Material: Heavy-Duty Brass, Ste...
View full detailsOriginal price $ 12.49Original price $ 12.49 - Original price $ 12.49Original price $ 12.49Current price $ 8.74$ 8.74 - $ 8.74Current price $ 8.74Save 30% -
Original price $ 3.69Original price $ 3.69 - Original price $ 3.69Original price $ 3.69Current price $ 2.58$ 2.58 - $ 2.58Current price $ 2.58
Foster 17-3, 3 Series, Industrial Plug, 3/8" Hose Barb, Steel
In stockSeries: 3 Part Number: 17-3 Interchange: Industrial Body: 1/4" Plug Thread: 3/8" Hose Barb Material: Heavy-Duty Steel Rated Pressure: 30...
View full detailsOriginal price $ 3.69Original price $ 3.69 - Original price $ 3.69Original price $ 3.69Current price $ 2.58$ 2.58 - $ 2.58Current price $ 2.58Save 30% -
Original price $ 20.69Original price $ 20.69 - Original price $ 20.69Original price $ 20.69Current price $ 14.48$ 14.48 - $ 14.48Current price $ 14.48
Foster 3003GS, 3 Series, Industrial Coupler, Automatic, 1/4" Female NPT, Brass, Steel
In stockSeries: 3 Part Number: 3003GS Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 1/4" Female NPT, FPT Material: Heavy-Duty...
View full detailsOriginal price $ 20.69Original price $ 20.69 - Original price $ 20.69Original price $ 20.69Current price $ 14.48$ 14.48 - $ 14.48Current price $ 14.48Save 30% -
Original price $ 13.69Original price $ 13.69 - Original price $ 13.69Original price $ 13.69Current price $ 9.58$ 9.58 - $ 9.58Current price $ 9.58
Foster 3703, 3 Series, Industrial Coupler, Manual, 3/8" Hose Barb, Brass, Steel
In stockSeries: 3 Part Number: 3703 Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 3/8" Hose Barb Material: Heavy-Duty Brass, Ste...
View full detailsOriginal price $ 13.69Original price $ 13.69 - Original price $ 13.69Original price $ 13.69Current price $ 9.58$ 9.58 - $ 9.58Current price $ 9.58Save 30% -
Original price $ 15.39Original price $ 15.39 - Original price $ 15.39Original price $ 15.39Current price $ 10.77$ 10.77 - $ 10.77Current price $ 10.77
Foster TF3103, TF Series, True-Flate, Automotive, Coupler, Automatic, 1/4" Male NPT, Brass, Steel
In stockSeries: TF3 Part Number: TF3103 Interchange: True-Flate, Automotive Body: 1/4" Coupler, Automatic Thread: 1/4" Male NPT, MPT Material: Heav...
View full detailsOriginal price $ 15.39Original price $ 15.39 - Original price $ 15.39Original price $ 15.39Current price $ 10.77$ 10.77 - $ 10.77Current price $ 10.77Save 30% -
Original price $ 112.99Original price $ 112.99 - Original price $ 112.99Original price $ 112.99Current price $ 79.09$ 79.09 - $ 79.09Current price $ 79.09
Foster SHD3003S/S, SHD Series, Schrader Coupler, Automatic 1/4" Female NPT, Stainless Steel
In stockSeries: SHD Part Number: SHD3003S/S Interchange: Schrader, Twist Lock Body: 1/4" Coupler, Automatic Thread: 1/4" Female NPT, FPT Rated Pres...
View full detailsOriginal price $ 112.99Original price $ 112.99 - Original price $ 112.99Original price $ 112.99Current price $ 79.09$ 79.09 - $ 79.09Current price $ 79.09Save 30% -
Original price $ 17.49Original price $ 17.49 - Original price $ 17.49Original price $ 17.49Current price $ 12.24$ 12.24 - $ 12.24Current price $ 12.24
Foster 71-6, 6 Series, Industrial Plug, 3/4" Hose Barb, Steel
In stockSeries: 3 Part number: 71-6 Interchange: Industrial Body: 3/4" Plug Thread: 3/4" Hose Barb Material: Heavy-Duty Steel Rated Pressure: 30...
View full detailsOriginal price $ 17.49Original price $ 17.49 - Original price $ 17.49Original price $ 17.49Current price $ 12.24$ 12.24 - $ 12.24Current price $ 12.24Save 30% -
Original price $ 28.09Original price $ 28.09 - Original price $ 28.09Original price $ 28.09Current price $ 19.66$ 19.66 - $ 19.66Current price $ 19.66
Foster FM4804, 4 Series, Industrial Coupler, Automatic, 3/8" Hose Barb, Brass
In stockSeries: 4 Part Number: FM4804 Interchange: Industrial Body: 3/8" Coupler, Automatic Thread: 3/8" Hose Barb Material: Heavy-Duty Brass, Ste...
View full detailsOriginal price $ 28.09Original price $ 28.09 - Original price $ 28.09Original price $ 28.09Current price $ 19.66$ 19.66 - $ 19.66Current price $ 19.66Save 30% -
Original price $ 32.69Original price $ 32.69 - Original price $ 32.69Original price $ 32.69Current price $ 22.88$ 22.88 - $ 22.88Current price $ 22.88
Foster LN3003, LN Series, Lincoln Coupler, Automatic 1/4" Female NPT, Brass, Steel
In stockSeries: LN Part Number: LN3003 Interchange: Lincoln Body: 1/4" Coupler, Automatic Thread: 1/4" Female NPT, FPT Material: Heavy-Duty Brass, ...
View full detailsOriginal price $ 32.69Original price $ 32.69 - Original price $ 32.69Original price $ 32.69Current price $ 22.88$ 22.88 - $ 22.88Current price $ 22.88Save 30% -
Original price $ 8.99Original price $ 8.99 - Original price $ 8.99Original price $ 8.99Current price $ 6.29$ 6.29 - $ 6.29Current price $ 6.29
Foster 45-4, 4 Series, Industrial Plug, 1/2" Female NPT, Steel
In stockSeries: 4 Part Number: 45-4 Interchange: Industrial Body: 3/8" Plug Thread: 1/2" Female NPT, FPT Material: Heavy-Duty Steel Rated Pressur...
View full detailsOriginal price $ 8.99Original price $ 8.99 - Original price $ 8.99Original price $ 8.99Current price $ 6.29$ 6.29 - $ 6.29Current price $ 6.29Save 30% -
Original price $ 6.69Original price $ 6.69 - Original price $ 6.69Original price $ 6.69Current price $ 4.68$ 4.68 - $ 4.68Current price $ 4.68
Foster 44-4, 4 Series, Industrial Plug, 1/2" Male NPT, Steel
In stockSeries: 4 Part Number: 44-4 Interchange: Industrial Body: 3/8" Plug Thread: 1/2" Male NPT, MPT Material: Heavy-Duty Steel Rated Pressure:...
View full detailsOriginal price $ 6.69Original price $ 6.69 - Original price $ 6.69Original price $ 6.69Current price $ 4.68$ 4.68 - $ 4.68Current price $ 4.68Save 30% -
Original price $ 13.09Original price $ 13.09 - Original price $ 13.09Original price $ 13.09Current price $ 9.16$ 9.16 - $ 9.16Current price $ 9.16
Foster 3303, 3 Series, Industrial Coupler, Manual, 3/8" Male NPT, Brass, Steel
In stockSeries: 3 Part Number: 3303 Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 3/8" Male NPT, MPT Material: Heavy-Duty Brass,...
View full detailsOriginal price $ 13.09Original price $ 13.09 - Original price $ 13.09Original price $ 13.09Current price $ 9.16$ 9.16 - $ 9.16Current price $ 9.16Save 30% -
Original price $ 15.09Original price $ 15.09 - Original price $ 15.09Original price $ 15.09Current price $ 10.56$ 10.56 - $ 10.56Current price $ 10.56
Foster 210-3703, Aro 210 Series, Coupler, Automatic, 3/8" Hose Barb, Brass, Steel
In stockSeries: 210 Part number: 210-3703 Interchange: Aro 210 Body: 1/4" Coupler, Automatic Thread: 3/8" Push-On Hose Barb Material: Heavy-Duty Bra...
View full detailsOriginal price $ 15.09Original price $ 15.09 - Original price $ 15.09Original price $ 15.09Current price $ 10.56$ 10.56 - $ 10.56Current price $ 10.56Save 30% -
Original price $ 5.91 - Original price $ 5.91Original price$ 5.91$ 5.91 - $ 5.91Current price $ 5.91Foster SHD-DP, SHD Series, Schrader, 1/4" Dust Plug
In stockSeries: SHD Part Number: SHD-DP Interchange: Schrader, Twist Lock Body: 1/4" Dust Plug Rated Pressure: 300 psi Quantity: 1pc Made-in-the-USA
Original price $ 5.91 - Original price $ 5.91Original price$ 5.91$ 5.91 - $ 5.91Current price $ 5.91 -
Original price $ 28.49Original price $ 28.49 - Original price $ 28.49Original price $ 28.49Current price $ 19.94$ 19.94 - $ 19.94Current price $ 19.94
Foster 310-4804, Aro 310 Series, Coupler, Automatic, 3/8" Hose Barb, Brass, Steel
In stockSeries: 310 Part number: 310-4804 Interchange: Aro 310 Body: 3/8" Coupler, Automatic Thread: 3/8" Hose Barb Material: Heavy-Duty Brass, Stee...
View full detailsOriginal price $ 28.49Original price $ 28.49 - Original price $ 28.49Original price $ 28.49Current price $ 19.94$ 19.94 - $ 19.94Current price $ 19.94Save 30% -
Original price $ 8.21Original price $ 8.21 - Original price $ 8.21Original price $ 8.21Current price $ 5.75$ 5.75 - $ 5.75Current price $ 5.75
Foster K1B, FHK Series, ISO B, 1/8" Two Way Shut-off, Plug, Brass
In stockSeries: FHK Part Number: K1B Interchange: ISO B 7241-1 Plug Body: 1/8" Valved Thread: 1/8" Female NPT, FPT Material: Solid Brass Quantity: 1
Original price $ 8.21Original price $ 8.21 - Original price $ 8.21Original price $ 8.21Current price $ 5.75$ 5.75 - $ 5.75Current price $ 5.75Save 30% -
Original price $ 38.09Original price $ 38.09 - Original price $ 38.09Original price $ 38.09Current price $ 26.66$ 26.66 - $ 26.66Current price $ 26.66
Foster FM5905, 5 Series, Industrial Coupler, Automatic, 3/4" Hose Barb, Brass
In stockSeries: 5 Part Number: FM5905 Interchange: Industrial Body: 1/2" Coupler, Automatic Thread: 3/4" Hose Barb Material: Heavy-Duty Brass Rat...
View full detailsOriginal price $ 38.09Original price $ 38.09 - Original price $ 38.09Original price $ 38.09Current price $ 26.66$ 26.66 - $ 26.66Current price $ 26.66Save 30% -
Original price $ 37.29Original price $ 37.29 - Original price $ 37.29Original price $ 37.29Current price $ 26.10$ 26.10 - $ 26.10Current price $ 26.10
Foster FM5505, 5 Series, Industrial Coupler, Automatic, 3/4" Male NPT, Brass
In stockSeries: 5 Part Number: FM5505 Interchange: Industrial Body: 1/2" Coupler, Automatic Thread: 3/4" Male NPT, MPT Material: Heavy-Duty Brass ...
View full detailsOriginal price $ 37.29Original price $ 37.29 - Original price $ 37.29Original price $ 37.29Current price $ 26.10$ 26.10 - $ 26.10Current price $ 26.10Save 30% -
Original price $ 5.49Original price $ 5.49 - Original price $ 5.49Original price $ 5.49Current price $ 3.84$ 3.84 - $ 3.84Current price $ 3.84
Foster 59-5, 5 Series, Industrial Plug, 3/8" Hose Barb, Steel
In stockSeries: 5 Part Number: 59-5 Interchange: Industrial Body: 1/2" Plug Thread: 3/8" Hose Barbs Material: Heavy-Duty Steel Rated Pressure: 30...
View full detailsOriginal price $ 5.49Original price $ 5.49 - Original price $ 5.49Original price $ 5.49Current price $ 3.84$ 3.84 - $ 3.84Current price $ 3.84Save 30% -
Original price $ 27.19Original price $ 27.19 - Original price $ 27.19Original price $ 27.19Current price $ 19.03$ 19.03 - $ 19.03Current price $ 19.03
Foster FM4104, 4 Series, Industrial Coupler, Automatic, 1/4" Male NPT, Brass
In stockSeries: 4 Part Number: FM4104 Interchange: Industrial Body: 3/8" Coupler, Automatic Thread: 1/4" Male NPT, MPT Material: Heavy-Duty Brass,...
View full detailsOriginal price $ 27.19Original price $ 27.19 - Original price $ 27.19Original price $ 27.19Current price $ 19.03$ 19.03 - $ 19.03Current price $ 19.03Save 30%
