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Hydraulic Quick Couplers

Hydraulic quick couplers join high-pressure fluid lines with a secure, leak-free connection. This collection covers ISO-B, ISO-A, flush face, and specialty hydraulic couplers and plugs in steel, brass, and stainless. Filter by series, body size, thread, and material to match your hydraulic system.

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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 1,929.00
$ 1,929.00 - $ 1,929.00
$ 1,929.00
$ 1,544.00
$ 1,544.00 - $ 1,544.00
$ 1,544.00

Foster FSS316-5600-12-12-12, 3/4" Male Pipe Tee, 316 Stainless

The Foster FSS316-5600-12-12-12 is a 316 stainless steel NPT Pipe fitting: 3/4" Male Pipe Tee. Machined for leak-tight fluid-power connections and ...

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$ 1,929.00
$ 1,929.00 - $ 1,929.00
$ 1,929.00
$ 1,544.00
$ 1,544.00 - $ 1,544.00
$ 1,544.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 2,489.00
$ 2,489.00 - $ 2,489.00
$ 2,489.00
$ 1,991.00
$ 1,991.00 - $ 1,991.00
$ 1,991.00

Foster FSS316-5600-16-16-16, 1" Male Pipe Tee, 316 Stainless

The Foster FSS316-5600-16-16-16 is a 316 stainless steel NPT Pipe fitting: 1" Male Pipe Tee. Machined for leak-tight fluid-power connections and ra...

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$ 2,489.00
$ 2,489.00 - $ 2,489.00
$ 2,489.00
$ 1,991.00
$ 1,991.00 - $ 1,991.00
$ 1,991.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 1,068.00
$ 1,068.00 - $ 1,068.00
$ 1,068.00
$ 854.00
$ 854.00 - $ 854.00
$ 854.00

Foster FSS316-5600-06-06-06, 3/8" Male Pipe Tee, 316 Stainless

The Foster FSS316-5600-06-06-06 is a 316 stainless steel NPT Pipe fitting: 3/8" Male Pipe Tee. Machined for leak-tight fluid-power connections and ...

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$ 1,068.00
$ 1,068.00 - $ 1,068.00
$ 1,068.00
$ 854.00
$ 854.00 - $ 854.00
$ 854.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 712.00
$ 712.00 - $ 712.00
$ 712.00
$ 570.00
$ 570.00 - $ 570.00
$ 570.00

Foster FSS316-5600-04-04-04, 1/4" Male Pipe Tee, 316 Stainless

The Foster FSS316-5600-04-04-04 is a 316 stainless steel NPT Pipe fitting: 1/4" Male Pipe Tee. Machined for leak-tight fluid-power connections and ...

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$ 712.00
$ 712.00 - $ 712.00
$ 712.00
$ 570.00
$ 570.00 - $ 570.00
$ 570.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 585.00
$ 585.00 - $ 585.00
$ 585.00
$ 468.00
$ 468.00 - $ 468.00
$ 468.00

Foster FSS316-5600-02-02-02, 1/8" Male Pipe Tee, 316 Stainless

The Foster FSS316-5600-02-02-02 is a 316 stainless steel NPT Pipe fitting: 1/8" Male Pipe Tee. Machined for leak-tight fluid-power connections and ...

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$ 585.00
$ 585.00 - $ 585.00
$ 585.00
$ 468.00
$ 468.00 - $ 468.00
$ 468.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 1,220.00
$ 1,220.00 - $ 1,220.00
$ 1,220.00
$ 976.00
$ 976.00 - $ 976.00
$ 976.00

Foster FSS316-5600-08-08-08, 1/2" Male Pipe Tee, 316 Stainless

The Foster FSS316-5600-08-08-08 is a 316 stainless steel NPT Pipe fitting: 1/2" Male Pipe Tee. Machined for leak-tight fluid-power connections and ...

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$ 1,220.00
$ 1,220.00 - $ 1,220.00
$ 1,220.00
$ 976.00
$ 976.00 - $ 976.00
$ 976.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 994.00
$ 994.00 - $ 994.00
$ 994.00
$ 794.00
$ 794.00 - $ 794.00
$ 794.00

Foster FSS316-5406-16-12, 1" Male Pipe x 3/4" Female Pipe, 316 Stainless

The Foster FSS316-5406-16-12 is a 316 stainless steel NPT Pipe fitting: 1" Male Pipe x 3/4" Female Pipe. Machined for leak-tight fluid-power connec...

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$ 994.00
$ 994.00 - $ 994.00
$ 994.00
$ 794.00
$ 794.00 - $ 794.00
$ 794.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 957.00
$ 957.00 - $ 957.00
$ 957.00
$ 765.00
$ 765.00 - $ 765.00
$ 765.00

Foster FSS316-5406-16-02, 1" Male Pipe x 1/8" Female Pipe, 316 Stainless

The Foster FSS316-5406-16-02 is a 316 stainless steel NPT Pipe fitting: 1" Male Pipe x 1/8" Female Pipe. Machined for leak-tight fluid-power connec...

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$ 957.00
$ 957.00 - $ 957.00
$ 957.00
$ 765.00
$ 765.00 - $ 765.00
$ 765.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 648.00
$ 648.00 - $ 648.00
$ 648.00
$ 518.00
$ 518.00 - $ 518.00
$ 518.00

Foster FSS316-5406-12-08, 3/4" Male Pipe x 1/2" Female Pipe, 316 Stainless

The Foster FSS316-5406-12-08 is a 316 stainless steel NPT Pipe fitting: 3/4" Male Pipe x 1/2" Female Pipe. Machined for leak-tight fluid-power conn...

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$ 648.00
$ 648.00 - $ 648.00
$ 648.00
$ 518.00
$ 518.00 - $ 518.00
$ 518.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 957.00
$ 957.00 - $ 957.00
$ 957.00
$ 765.00
$ 765.00 - $ 765.00
$ 765.00

Foster FSS316-5406-16-08, 1" Male Pipe x 1/2" Female Pipe, 316 Stainless

The Foster FSS316-5406-16-08 is a 316 stainless steel NPT Pipe fitting: 1" Male Pipe x 1/2" Female Pipe. Machined for leak-tight fluid-power connec...

View full details
$ 957.00
$ 957.00 - $ 957.00
$ 957.00
$ 765.00
$ 765.00 - $ 765.00
$ 765.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 957.00
$ 957.00 - $ 957.00
$ 957.00
$ 765.00
$ 765.00 - $ 765.00
$ 765.00

Foster FSS316-5406-16-04, 1" Male Pipe x 1/4" Female Pipe, 316 Stainless

The Foster FSS316-5406-16-04 is a 316 stainless steel NPT Pipe fitting: 1" Male Pipe x 1/4" Female Pipe. Machined for leak-tight fluid-power connec...

View full details
$ 957.00
$ 957.00 - $ 957.00
$ 957.00
$ 765.00
$ 765.00 - $ 765.00
$ 765.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 633.00
$ 633.00 - $ 633.00
$ 633.00
$ 506.00
$ 506.00 - $ 506.00
$ 506.00

Foster FSS316-5406-12-06, 3/4" Male Pipe x 3/8" Female Pipe, 316 Stainless

The Foster FSS316-5406-12-06 is a 316 stainless steel NPT Pipe fitting: 3/4" Male Pipe x 3/8" Female Pipe. Machined for leak-tight fluid-power conn...

View full details
$ 633.00
$ 633.00 - $ 633.00
$ 633.00
$ 506.00
$ 506.00 - $ 506.00
$ 506.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 957.00
$ 957.00 - $ 957.00
$ 957.00
$ 765.00
$ 765.00 - $ 765.00
$ 765.00

Foster FSS316-5406-16-06, 1" Male Pipe x 3/8" Female Pipe, 316 Stainless

The Foster FSS316-5406-16-06 is a 316 stainless steel NPT Pipe fitting: 1" Male Pipe x 3/8" Female Pipe. Machined for leak-tight fluid-power connec...

View full details
$ 957.00
$ 957.00 - $ 957.00
$ 957.00
$ 765.00
$ 765.00 - $ 765.00
$ 765.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 413.00
$ 413.00 - $ 413.00
$ 413.00
$ 330.00
$ 330.00 - $ 330.00
$ 330.00

Foster FSS316-5406-08-06, 1/2" Male Pipe x 3/8" Female Pipe, 316 Stainless

The Foster FSS316-5406-08-06 is a 316 stainless steel NPT Pipe fitting: 1/2" Male Pipe x 3/8" Female Pipe. Machined for leak-tight fluid-power conn...

View full details
$ 413.00
$ 413.00 - $ 413.00
$ 413.00
$ 330.00
$ 330.00 - $ 330.00
$ 330.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 633.00
$ 633.00 - $ 633.00
$ 633.00
$ 506.00
$ 506.00 - $ 506.00
$ 506.00

Foster FSS316-5406-12-04, 3/4" Male Pipe x 1/4" Female Pipe, 316 Stainless

The Foster FSS316-5406-12-04 is a 316 stainless steel NPT Pipe fitting: 3/4" Male Pipe x 1/4" Female Pipe. Machined for leak-tight fluid-power conn...

View full details
$ 633.00
$ 633.00 - $ 633.00
$ 633.00
$ 506.00
$ 506.00 - $ 506.00
$ 506.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 633.00
$ 633.00 - $ 633.00
$ 633.00
$ 506.00
$ 506.00 - $ 506.00
$ 506.00

Foster FSS316-5406-12-02, 3/4" Male Pipe x 1/8" Female Pipe, 316 Stainless

The Foster FSS316-5406-12-02 is a 316 stainless steel NPT Pipe fitting: 3/4" Male Pipe x 1/8" Female Pipe. Machined for leak-tight fluid-power conn...

View full details
$ 633.00
$ 633.00 - $ 633.00
$ 633.00
$ 506.00
$ 506.00 - $ 506.00
$ 506.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 397.00
$ 397.00 - $ 397.00
$ 397.00
$ 319.00
$ 319.00 - $ 319.00
$ 319.00

Foster FSS316-5406-08-02, 1/2" Male Pipe x 1/8" Female Pipe, 316 Stainless

The Foster FSS316-5406-08-02 is a 316 stainless steel NPT Pipe fitting: 1/2" Male Pipe x 1/8" Female Pipe. Machined for leak-tight fluid-power conn...

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$ 397.00
$ 397.00 - $ 397.00
$ 397.00
$ 319.00
$ 319.00 - $ 319.00
$ 319.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 324.00
$ 324.00 - $ 324.00
$ 324.00
$ 259.00
$ 259.00 - $ 259.00
$ 259.00

Foster FSS316-5406-06-02, 3/8" Male Pipe x 1/8" Female Pipe, 316 Stainless

The Foster FSS316-5406-06-02 is a 316 stainless steel NPT Pipe fitting: 3/8" Male Pipe x 1/8" Female Pipe. Machined for leak-tight fluid-power conn...

View full details
$ 324.00
$ 324.00 - $ 324.00
$ 324.00
$ 259.00
$ 259.00 - $ 259.00
$ 259.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 259.00
$ 259.00 - $ 259.00
$ 259.00
$ 207.00
$ 207.00 - $ 207.00
$ 207.00

Foster FSS316-5406-04-02, 1/4" Male Pipe x 1/8" Female Pipe, 316 Stainless

The Foster FSS316-5406-04-02 is a 316 stainless steel NPT Pipe fitting: 1/4" Male Pipe x 1/8" Female Pipe. Machined for leak-tight fluid-power conn...

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$ 259.00
$ 259.00 - $ 259.00
$ 259.00
$ 207.00
$ 207.00 - $ 207.00
$ 207.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 340.00
$ 340.00 - $ 340.00
$ 340.00
$ 273.00
$ 273.00 - $ 273.00
$ 273.00

Foster FSS316-5406-06-04, 3/8" Male Pipe x 1/4" Female Pipe, 316 Stainless

The Foster FSS316-5406-06-04 is a 316 stainless steel NPT Pipe fitting: 3/8" Male Pipe x 1/4" Female Pipe. Machined for leak-tight fluid-power conn...

View full details
$ 340.00
$ 340.00 - $ 340.00
$ 340.00
$ 273.00
$ 273.00 - $ 273.00
$ 273.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 1,404.00
$ 1,404.00 - $ 1,404.00
$ 1,404.00
$ 1,124.00
$ 1,124.00 - $ 1,124.00
$ 1,124.00

Foster FSS316-5405-12-16, 3/4" Male Pipe x 1" Female Pipe, 316 Stainless

The Foster FSS316-5405-12-16 is a 316 stainless steel NPT Pipe fitting: 3/4" Male Pipe x 1" Female Pipe. Machined for leak-tight fluid-power connec...

View full details
$ 1,404.00
$ 1,404.00 - $ 1,404.00
$ 1,404.00
$ 1,124.00
$ 1,124.00 - $ 1,124.00
$ 1,124.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 562.00
$ 562.00 - $ 562.00
$ 562.00
$ 449.00
$ 449.00 - $ 449.00
$ 449.00

Foster FSS316-5405-12-08, 3/4" Male Pipe x 1/2" Female Pipe, 316 Stainless

The Foster FSS316-5405-12-08 is a 316 stainless steel NPT Pipe fitting: 3/4" Male Pipe x 1/2" Female Pipe. Machined for leak-tight fluid-power conn...

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$ 562.00
$ 562.00 - $ 562.00
$ 562.00
$ 449.00
$ 449.00 - $ 449.00
$ 449.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 3,005.00
$ 3,005.00 - $ 3,005.00
$ 3,005.00
$ 2,405.00
$ 2,405.00 - $ 2,405.00
$ 2,405.00

Foster FSS316-5405-16-24, 1" Male Pipe x 1 1/2" Female Pipe, 316 Stainless

The Foster FSS316-5405-16-24 is a 316 stainless steel NPT Pipe fitting: 1" Male Pipe x 1 1/2" Female Pipe. Machined for leak-tight fluid-power conn...

View full details
$ 3,005.00
$ 3,005.00 - $ 3,005.00
$ 3,005.00
$ 2,405.00
$ 2,405.00 - $ 2,405.00
$ 2,405.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 2,146.00
$ 2,146.00 - $ 2,146.00
$ 2,146.00
$ 1,718.00
$ 1,718.00 - $ 1,718.00
$ 1,718.00

Foster FSS316-5405-16-20, 1" Male Pipe x 1-1/4" Female Pipe, 316 Stainless

The Foster FSS316-5405-16-20 is a 316 stainless steel NPT Pipe fitting: 1" Male Pipe x 1-1/4" Female Pipe. Machined for leak-tight fluid-power conn...

View full details
$ 2,146.00
$ 2,146.00 - $ 2,146.00
$ 2,146.00
$ 1,718.00
$ 1,718.00 - $ 1,718.00
$ 1,718.00
Save 20% Save %

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