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 $ 24.49Original price $ 24.49 - Original price $ 24.49Original price $ 24.49Current price $ 17.14$ 17.14 - $ 17.14Current price $ 17.14
Foster 4804, 4 Series, Industrial Coupler, Manual, 3/8" Hose Barb, Brass, Steel
In stockSeries: 4 Part Number: 4804 Interchange: Industrial, I/M Body: 3/8" Manual Coupler Thread: 3/8" Hose Barb Material: Heavy-Duty Brass, Stee...
View full detailsOriginal price $ 24.49Original price $ 24.49 - Original price $ 24.49Original price $ 24.49Current price $ 17.14$ 17.14 - $ 17.14Current price $ 17.14Save 30% -
Original price $ 24.99Original price $ 24.99 - Original price $ 24.99Original price $ 24.99Current price $ 17.49$ 17.49 - $ 17.49Current price $ 17.49
Foster 4704, 4 Series, Industrial Coupler, Manual, 5/16" Hose Barb, Brass, Steel
In stockSeries: 4 Part Number: 4704 Interchange: Industrial, I/M Body: 3/8" Manual Coupler Thread: 5/16" Hose Barb Material: Heavy-Duty Brass, Ste...
View full detailsOriginal price $ 24.99Original price $ 24.99 - Original price $ 24.99Original price $ 24.99Current price $ 17.49$ 17.49 - $ 17.49Current price $ 17.49Save 30% -
Original price $ 23.79Original price $ 23.79 - Original price $ 23.79Original price $ 23.79Current price $ 16.65$ 16.65 - $ 16.65Current price $ 16.65
Foster 4604, 4 Series, Industrial Coupler, Manual, 1/4" Hose Barb, Brass, Steel
In stockSeries: 4 Part Number: 4604 Interchange: Industrial, I/M Body: 3/8" Manual Coupler Thread: 1/4" Hose Barb Material: Heavy-Duty Brass, Stee...
View full detailsOriginal price $ 23.79Original price $ 23.79 - Original price $ 23.79Original price $ 23.79Current price $ 16.65$ 16.65 - $ 16.65Current price $ 16.65Save 30% -
Original price $ 10.39Original price $ 10.39 - Original price $ 10.39Original price $ 10.39Current price $ 7.27$ 7.27 - $ 7.27Current price $ 7.27
Foster 81-4, 4 Series, Industrial Plug, 1/2" Push-On Hose Barb, Steel
In stockSeries: 4 Part Number: 81-4 Interchange: Industrial Body: 3/8" Plug Thread: 3/8" Push-On Hose Barb Material: Heavy-Duty Steel Rated Pres...
View full detailsOriginal price $ 10.39Original price $ 10.39 - Original price $ 10.39Original price $ 10.39Current price $ 7.27$ 7.27 - $ 7.27Current price $ 7.27Save 30% -
Original price $ 22.99Original price $ 22.99 - Original price $ 22.99Original price $ 22.99Current price $ 16.09$ 16.09 - $ 16.09Current price $ 16.09
Foster 71-4B, 4 Series, Industrial Plug, 3/8" Push-On Hose Barb, Brass
In stockSeries: 4 Part Number: 71-4B Interchange: Industrial Body: 3/8" Plug Thread: 3/8" Push-On Hose Barb Material: Brass Rated Pressure: 300 ...
View full detailsOriginal price $ 22.99Original price $ 22.99 - Original price $ 22.99Original price $ 22.99Current price $ 16.09$ 16.09 - $ 16.09Current price $ 16.09Save 30% -
Original price $ 7.19Original price $ 7.19 - Original price $ 7.19Original price $ 7.19Current price $ 5.03$ 5.03 - $ 5.03Current price $ 5.03
Foster 51-4, 4 Series, Industrial Plug, 1/4" Push-On Hose Barb, Steel
In stockSeries: 4 Part Number: 71-4 Interchange: Industrial Body: 3/8" Plug Thread: 1/4" Push-On Hose Barb Material: Heavy-Duty Steel Rated Press...
View full detailsOriginal price $ 7.19Original price $ 7.19 - Original price $ 7.19Original price $ 7.19Current price $ 5.03$ 5.03 - $ 5.03Current price $ 5.03Save 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 38-4, 4 Series, Industrial Plug, 1/8" Male NPT, Steel
In stockSeries: 4 Part Number: 38-4 Interchange: Industrial Body: 3/8" Plug Thread: 1/8" Male NPT, MPT Material: Heavy-Duty Steel Rated Pressure:...
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 $ 24.89Original price $ 24.89 - Original price $ 24.89Original price $ 24.89Current price $ 17.42$ 17.42 - $ 17.42Current price $ 17.42
Foster 1713GB, 3 Series, Industrial Coupler, Automatic, 3/8" Hose Barb (Push-On), Brass
In stockSeries: 3 Part Number: 1713GB Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 3/8" Hose Barb (Push-On) Material: Heavy-...
View full detailsOriginal price $ 24.89Original price $ 24.89 - Original price $ 24.89Original price $ 24.89Current price $ 17.42$ 17.42 - $ 17.42Current price $ 17.42Save 30% -
Original price $ 26.59Original price $ 26.59 - Original price $ 26.59Original price $ 26.59Current price $ 18.61$ 18.61 - $ 18.61Current price $ 18.61
Foster 1513GB, 3 Series, Industrial Coupler, Automatic, 1/4" Hose Barb (Push-On), Brass
In stockSeries: 3 Part Number: 1513GB Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 1/4" Hose Barb (Push-On) Material: Heavy-...
View full detailsOriginal price $ 26.59Original price $ 26.59 - Original price $ 26.59Original price $ 26.59Current price $ 18.61$ 18.61 - $ 18.61Current price $ 18.61Save 30% -
Original price $ 24.29Original price $ 24.29 - Original price $ 24.29Original price $ 24.29Current price $ 17.00$ 17.00 - $ 17.00Current price $ 17.00
Foster 3653GB, 3 Series, Industrial Coupler, Automatic, 5/16" Hose Barb, Brass
In stockSeries: 3 Part Number: 3653GB Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 5/16" Hose Barb Material: Heavy-Duty Bras...
View full detailsOriginal price $ 24.29Original price $ 24.29 - Original price $ 24.29Original price $ 24.29Current price $ 17.00$ 17.00 - $ 17.00Current price $ 17.00Save 30% -
Original price $ 24.09Original price $ 24.09 - Original price $ 24.09Original price $ 24.09Current price $ 16.86$ 16.86 - $ 16.86Current price $ 16.86
Foster 3303GB, 3 Series, Industrial Coupler, Automatic, 3/8" Male NPT, Brass
In stockSeries: 3 Part Number: 3303GB Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 3/8" Male NPT, FPT Material: Heavy-Duty B...
View full detailsOriginal price $ 24.09Original price $ 24.09 - Original price $ 24.09Original price $ 24.09Current price $ 16.86$ 16.86 - $ 16.86Current price $ 16.86Save 30% -
Original price $ 31.49Original price $ 31.49 - Original price $ 31.49Original price $ 31.49Current price $ 22.04$ 22.04 - $ 22.04Current price $ 22.04
Foster 2903GB, 3 Series, Industrial Coupler, Automatic, 1/8" Male NPT, Brass
In stockSeries: 3 Part Number: 2903GB Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 1/8" Male NPT, FPT Material: Heavy-Duty B...
View full detailsOriginal price $ 31.49Original price $ 31.49 - Original price $ 31.49Original price $ 31.49Current price $ 22.04$ 22.04 - $ 22.04Current price $ 22.04Save 30% -
Original price $ 21.89Original price $ 21.89 - Original price $ 21.89Original price $ 21.89Current price $ 15.32$ 15.32 - $ 15.32Current price $ 15.32
Foster 3703GS, 3 Series, Industrial Coupler, Automatic, 3/8" Hose Barb, Brass, Steel
In stockSeries: 3 Part Number: 3703GS Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 3/8" Hose Barb Material: Heavy-Duty Brass...
View full detailsOriginal price $ 21.89Original price $ 21.89 - Original price $ 21.89Original price $ 21.89Current price $ 15.32$ 15.32 - $ 15.32Current price $ 15.32Save 30% -
Original price $ 26.69Original price $ 26.69 - Original price $ 26.69Original price $ 26.69Current price $ 18.68$ 18.68 - $ 18.68Current price $ 18.68
Foster 3653GS, 3 Series, Industrial Coupler, Automatic, 5/16" Hose Barb, Brass, Steel
In stockSeries: 3 Part Number: 3653GS Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 5/16" Hose Barb Material: Heavy-Duty Bras...
View full detailsOriginal price $ 26.69Original price $ 26.69 - Original price $ 26.69Original price $ 26.69Current price $ 18.68$ 18.68 - $ 18.68Current price $ 18.68Save 30% -
Original price $ 21.79Original price $ 21.79 - Original price $ 21.79Original price $ 21.79Current price $ 15.25$ 15.25 - $ 15.25Current price $ 15.25
Foster 3203GS, 3 Series, Industrial Coupler, Automatic, 3/8" Female NPT, Brass, Steel
In stockSeries: 3 Part Number: 3203GS Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 3/8" Female NPT, FPT Material: Heavy-Duty...
View full detailsOriginal price $ 21.79Original price $ 21.79 - Original price $ 21.79Original price $ 21.79Current price $ 15.25$ 15.25 - $ 15.25Current price $ 15.25Save 30% -
Original price $ 20.79Original price $ 20.79 - Original price $ 20.79Original price $ 20.79Current price $ 14.55$ 14.55 - $ 14.55Current price $ 14.55
Foster 3103GS, 3 Series, Industrial Coupler, Automatic, 1/4" Male NPT, Brass, Steel
In stockSeries: 3 Part Number: 3103GS Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 1/4" Male NPT, MPT Material: Heavy-Duty B...
View full detailsOriginal price $ 20.79Original price $ 20.79 - Original price $ 20.79Original price $ 20.79Current price $ 14.55$ 14.55 - $ 14.55Current price $ 14.55Save 30% -
Original price $ 14.29Original price $ 14.29 - Original price $ 14.29Original price $ 14.29Current price $ 10.00$ 10.00 - $ 10.00Current price $ 10.00
Foster 2903GS, 3 Series, Industrial Coupler, Automatic, 1/8" Male NPT, Brass, Steel
In stockSeries: 3 Part Number: 2903GS Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 1/8" Male NPT, MPT Material: Heavy-Duty B...
View full detailsOriginal price $ 14.29Original price $ 14.29 - Original price $ 14.29Original price $ 14.29Current price $ 10.00$ 10.00 - $ 10.00Current price $ 10.00Save 30% -
Original price $ 28.59Original price $ 28.59 - Original price $ 28.59Original price $ 28.59Current price $ 20.01$ 20.01 - $ 20.01Current price $ 20.01
Foster 2803GS, 3 Series, Industrial Coupler, Automatic, 1/8" Female NPT, Brass, Steel
In stockSeries: 3 Part Number: 2803GS Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 1/8" Female NPT, FPT Material: Heavy-Dut...
View full detailsOriginal price $ 28.59Original price $ 28.59 - Original price $ 28.59Original price $ 28.59Current price $ 20.01$ 20.01 - $ 20.01Current price $ 20.01Save 30% -
Original price $ 19.89Original price $ 19.89 - Original price $ 19.89Original price $ 19.89Current price $ 13.92$ 13.92 - $ 13.92Current price $ 13.92
Foster FM3653, 3 Series, Industrial Coupler, Automatic, 5/16" Hose Barb, Brass
In stockSeries: 3 Part Number: FM3653 Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 5/16" Hose Barb Material: Heavy-Duty Bras...
View full detailsOriginal price $ 19.89Original price $ 19.89 - Original price $ 19.89Original price $ 19.89Current price $ 13.92$ 13.92 - $ 13.92Current price $ 13.92Save 30% -
Original price $ 66.09Original price $ 66.09 - Original price $ 66.09Original price $ 66.09Current price $ 46.26$ 46.26 - $ 46.26Current price $ 46.26
Foster 3703S/S, 3 Series, Industrial Coupler, Manual, 3/8" Hose Barb, Stainless Steel
In stockSeries: 3 Part Number: 3703S/S Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 3/8" Hose Barb Material: Stainless Steel ...
View full detailsOriginal price $ 66.09Original price $ 66.09 - Original price $ 66.09Original price $ 66.09Current price $ 46.26$ 46.26 - $ 46.26Current price $ 46.26Save 30% -
Original price $ 63.79Original price $ 63.79 - Original price $ 63.79Original price $ 63.79Current price $ 44.65$ 44.65 - $ 44.65Current price $ 44.65
Foster 3203S/S, 3 Series, Industrial Coupler, Manual, 3/8" Female NPT, Stainless Steel
In stockSeries: 3 Part Number: 3203S/S Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 3/8" Female NPT, FPT Material: 303 Stainles...
View full detailsOriginal price $ 63.79Original price $ 63.79 - Original price $ 63.79Original price $ 63.79Current price $ 44.65$ 44.65 - $ 44.65Current price $ 44.65Save 30% -
Original price $ 26.39Original price $ 26.39 - Original price $ 26.39Original price $ 26.39Current price $ 18.47$ 18.47 - $ 18.47Current price $ 18.47
Foster 14S-3, 3 Series, Industrial Swivel Plug, 3/8" Male NPT, Steel, Brass
In stockSeries: 3 Part Number: 14S-3 Interchange: Industrial Body: 1/4" Swivel Plug Thread: 3/8" Male NPT, MPT Material: Heavy-Duty Steel, Brass ...
View full detailsOriginal price $ 26.39Original price $ 26.39 - Original price $ 26.39Original price $ 26.39Current price $ 18.47$ 18.47 - $ 18.47Current price $ 18.47Save 30% -
Original price $ 9.49Original price $ 9.49 - Original price $ 9.49Original price $ 9.49Current price $ 6.64$ 6.64 - $ 6.64Current price $ 6.64
Foster 12S-3, 3 Series, Industrial Swivel Plug, 1/8" Male NPT, Steel, Brass
In stockSeries: 3 Part Number: 12S-3 Interchange: Industrial Body: 1/4" Swivel Plug Thread: 1/8" Male NPT, MPT Material: Heavy-Duty Steel, Brass ...
View full detailsOriginal price $ 9.49Original price $ 9.49 - Original price $ 9.49Original price $ 9.49Current price $ 6.64$ 6.64 - $ 6.64Current price $ 6.64Save 30% -
Original price $ 42.79Original price $ 42.79 - Original price $ 42.79Original price $ 42.79Current price $ 29.95$ 29.95 - $ 29.95Current price $ 29.95
Foster 17-3S/S, 3 Series, Industrial Plug, 3/8" Hose Barb, Stainless Steel
In stockSeries: 3 Part Number: 17-3S/S Interchange: Industrial Body: 1/4" Plug Thread: 3/8" Hose Barb Material: 303 Stainless Steel Rated Press...
View full detailsOriginal price $ 42.79Original price $ 42.79 - Original price $ 42.79Original price $ 42.79Current price $ 29.95$ 29.95 - $ 29.95Current price $ 29.95Save 30%
