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Spring Sale: Everything 30% Off - Automatically at Checkout
Spring Sale: Everything 30% Off - Automatically at Checkout

1/4" Body Industrial Interchange Pneumatic Couplers and Plugs, I/M

These pneumatic fittings are the perfect solution for your industrial and manufacturing needs, including construction and repair shops. Made of durable brass or steel, these fittings are designed to connect flexible tubing such as polyurethane and nylon in various sizes. The quick-connect design allows for easy attachment and detachment from your pneumatic system, while their 1/4" industrial interchange compatibility means they can be used with fittings from other manufacturers. With their reliability and versatility, These fittings are a top choice for a wide range of pneumatic applications in construction and repair shops. Trust hpcouplers to deliver high-quality fittings that get the job done right.
  • Original price $ 21.99 - Original price $ 21.99
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    $ 21.99
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    Current price $ 21.99

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

    In stock

    Series: 3 Part Number: 28033GB Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 1/8" Female NPT, FPT Material: Heavy-Dut...

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    Original price $ 21.99 - Original price $ 21.99
    Original price
    $ 21.99
    $ 21.99 - $ 21.99
    Current price $ 21.99
  • Original price $ 21.89 - Original price $ 21.89
    Original price
    $ 21.89
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    Current price $ 21.89

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

    In stock

    Series: 3 Part Number: 3703GS Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 3/8" Hose Barb Material: Heavy-Duty Brass...

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    Original price $ 21.89 - Original price $ 21.89
    Original price
    $ 21.89
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    Current price $ 21.89
  • Original price $ 26.69 - Original price $ 26.69
    Original price
    $ 26.69
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    Current price $ 26.69

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

    In stock

    Series: 3 Part Number: 3653GS Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 5/16" Hose Barb Material: Heavy-Duty Bras...

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    Original price $ 26.69 - Original price $ 26.69
    Original price
    $ 26.69
    $ 26.69 - $ 26.69
    Current price $ 26.69
  • Original price $ 21.39 - Original price $ 21.39
    Original price
    $ 21.39
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    Current price $ 21.39

    Foster 3303GS, 3 Series, Industrial Coupler, Automatic, 3/8" Male NPT, Brass, Steel

    In stock

    Series: 3 Part Number: 3303GS Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 3/8" Male NPT, MPT Material: Heavy-Duty B...

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    Original price $ 21.39 - Original price $ 21.39
    Original price
    $ 21.39
    $ 21.39 - $ 21.39
    Current price $ 21.39
  • Original price $ 21.79 - Original price $ 21.79
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    Current price $ 21.79

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

    In stock

    Series: 3 Part Number: 3203GS Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 3/8" Female NPT, FPT Material: Heavy-Duty...

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    Original price $ 21.79 - Original price $ 21.79
    Original price
    $ 21.79
    $ 21.79 - $ 21.79
    Current price $ 21.79
  • Original price $ 20.79 - Original price $ 20.79
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    Current price $ 20.79

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

    In stock

    Series: 3 Part Number: 3103GS Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 1/4" Male NPT, MPT Material: Heavy-Duty B...

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    Original price $ 20.79 - Original price $ 20.79
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    Current price $ 20.79
  • Original price $ 14.29 - Original price $ 14.29
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    Current price $ 14.29

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

    In stock

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

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    Original price $ 14.29 - Original price $ 14.29
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    Current price $ 14.29
  • Original price $ 28.59 - Original price $ 28.59
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    Current price $ 28.59

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

    In stock

    Series: 3 Part Number: 2803GS Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 1/8" Female NPT, FPT Material: Heavy-Dut...

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    Original price $ 28.59 - Original price $ 28.59
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    $ 28.59
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    Current price $ 28.59
  • Original price $ 18.29 - Original price $ 18.29
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    Current price $ 18.29

    Foster FM1513, 3 Series, Industrial Coupler, Automatic, 1/4" Push-On Hose Barb, Brass

    In stock

    Series: 3 Part Number: FM1513 Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 1/4" Push-On Hose Barb Material: Heavy-Du...

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    Original price $ 18.29 - Original price $ 18.29
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    Current price $ 18.29
  • Original price $ 19.89 - Original price $ 19.89
    Original price
    $ 19.89
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    Current price $ 19.89

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

    In stock

    Series: 3 Part Number: FM3653 Interchange: Industrial, I/M Body: 1/4" Coupler, Automatic Thread: 5/16" Hose Barb Material: Heavy-Duty Bras...

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    Original price $ 19.89 - Original price $ 19.89
    Original price
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    Current price $ 19.89
  • Original price $ 66.09 - Original price $ 66.09
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    $ 66.09
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    Current price $ 66.09

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

    In stock

    Series: 3 Part Number: 3703S/S Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 3/8" Hose Barb Material: Stainless Steel ...

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    Original price $ 66.09 - Original price $ 66.09
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    Current price $ 66.09
  • Original price $ 64.69 - Original price $ 64.69
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    $ 64.69
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    Current price $ 64.69

    Foster 3603S/S, 3 Series, Industrial Coupler, Manual, 1/4" Hose Barb, Stainless Steel

    In stock

    Series: 3 Part Number: 3603S/S Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 1/4" Hose Barb Material: 303 Stainless Stee...

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    Original price $ 64.69 - Original price $ 64.69
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    $ 64.69
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    Current price $ 64.69
  • Original price $ 50.99 - Original price $ 50.99
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    Current price $ 50.99

    Foster 3303S/S, 3 Series, Industrial Coupler, Manual, 3/8" Male NPT, Stainless Steel

    In stock

    Series: 3 Part Number: 3303S/S Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 3/8" Male NPT, MPT Material: 303 Stainless ...

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    Original price $ 50.99 - Original price $ 50.99
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    Current price $ 50.99
  • Original price $ 63.79 - Original price $ 63.79
    Original price
    $ 63.79
    $ 63.79 - $ 63.79
    Current price $ 63.79

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

    In stock

    Series: 3 Part Number: 3203S/S Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 3/8" Female NPT, FPT Material: 303 Stainles...

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    Original price $ 63.79 - Original price $ 63.79
    Original price
    $ 63.79
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    Current price $ 63.79
  • Original price $ 26.39 - Original price $ 26.39
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    Current price $ 26.39

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

    In stock

    Series: 3 Part Number: 14S-3 Interchange: Industrial Body: 1/4" Swivel Plug Thread: 3/8" Male NPT, MPT Material: Heavy-Duty Steel, Brass ...

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    Original price $ 26.39 - Original price $ 26.39
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    Current price $ 26.39
  • Original price $ 9.49 - Original price $ 9.49
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    Current price $ 9.49

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

    In stock

    Series: 3 Part Number: 12S-3 Interchange: Industrial Body: 1/4" Swivel Plug Thread: 1/8" Male NPT, MPT Material: Heavy-Duty Steel, Brass ...

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    Original price $ 9.49 - Original price $ 9.49
    Original price
    $ 9.49
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    Current price $ 9.49
  • Original price $ 42.79 - Original price $ 42.79
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    Current price $ 42.79

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

    In stock

    Series: 3 Part Number: 17-3S/S Interchange: Industrial Body: 1/4" Plug Thread: 3/8" Hose Barb Material: 303 Stainless Steel Rated Press...

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    Original price $ 42.79 - Original price $ 42.79
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    $ 42.79
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    Current price $ 42.79
  • Original price $ 11.99 - Original price $ 11.99
    Original price
    $ 11.99
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    Current price $ 11.99

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

    In stock

    Series: 3 Part Number: 12-3S/S Interchange: Industrial Body: 1/4" Plug Thread: 1/8" Male NPT, MPT Material: 303 Stainless Steel Rated Pr...

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    Original price $ 11.99 - Original price $ 11.99
    Original price
    $ 11.99
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    Current price $ 11.99
  • Original price $ 14.89 - Original price $ 14.89
    Original price
    $ 14.89
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    Current price $ 14.89

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

    In stock

    Series: 3 Part Number: 3603 Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 5/16" Hose Barb Material: Heavy-Duty Brass, St...

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    Original price $ 14.89 - Original price $ 14.89
    Original price
    $ 14.89
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    Current price $ 14.89
  • Original price $ 4.39 - Original price $ 4.39
    Original price
    $ 4.39
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    Current price $ 4.39

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

    In stock

    Series: 3 Part Number: 71-3 Interchange: Industrial Body: 1/4" Plug Thread: 3/8" Hose Barb (Push-On) Material: Heavy-Duty Steel Rated Pr...

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    Original price $ 4.39 - Original price $ 4.39
    Original price
    $ 4.39
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    Current price $ 4.39
  • Original price $ 4.99 - Original price $ 4.99
    Original price
    $ 4.99
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    Current price $ 4.99

    Foster 51-3, 3 Series, Industrial Plug, 1/4" Hose Barb (Push-On), Steel

    In stock

    Series: 3 Part Number: 51-3 Interchange: Industrial Body: 1/4" Plug Thread: 1/4" Hose Barb (Push-On) Material: Heavy-Duty Steel Rated Pr...

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    Original price $ 4.99 - Original price $ 4.99
    Original price
    $ 4.99
    $ 4.99 - $ 4.99
    Current price $ 4.99
  • Original price $ 13.89 - Original price $ 13.89
    Original price
    $ 13.89
    $ 13.89 - $ 13.89
    Current price $ 13.89

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

    In stock

    Series: 3 Part Number: 1513 Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 1/4" Hose Barb (Push-On) Material: Heavy-Duty ...

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    Original price $ 13.89 - Original price $ 13.89
    Original price
    $ 13.89
    $ 13.89 - $ 13.89
    Current price $ 13.89
  • Original price $ 14.09 - Original price $ 14.09
    Original price
    $ 14.09
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    Current price $ 14.09

    Foster 1713, 3 Series, Industrial Coupler, Manual, 3/8" Hose Barb (Push-On), Brass, Steel

    In stock

    Series: 3 Part Number: 1713 Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 3/8" Hose Barb (Push-On) Material: Heavy-Duty ...

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    Original price $ 14.09 - Original price $ 14.09
    Original price
    $ 14.09
    $ 14.09 - $ 14.09
    Current price $ 14.09
  • Original price $ 42.59 - Original price $ 42.59
    Original price
    $ 42.59
    $ 42.59 - $ 42.59
    Current price $ 42.59

    Foster 3003S/S, 3 Series, Industrial Coupler, Manual, 1/4" Female NPT, Stainless Steel

    In stock

    Series: 3 Part Number: 3003S/S Interchange: Industrial, I/M Body: 1/4" Coupler, Manual Thread: 1/4" Female NPT, FPT Material: Heavy-Duty S...

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    Original price $ 42.59 - Original price $ 42.59
    Original price
    $ 42.59
    $ 42.59 - $ 42.59
    Current price $ 42.59