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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 %
$ 14.19
$ 14.19 - $ 14.19
$ 14.19
$ 11.39
$ 11.39 - $ 11.39
$ 11.39

Foster FSS316-5405-02-02, 1/8" Male Pipe x 1/8" Female Pipe, 316 Stainless

The Foster FSS316-5405-02-02 is a 316 stainless steel NPT Pipe fitting: 1/8" Male Pipe x 1/8" Female Pipe. Machined for leak-tight fluid-power conn...

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$ 14.19
$ 14.19 - $ 14.19
$ 14.19
$ 11.39
$ 11.39 - $ 11.39
$ 11.39
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 %
$ 19.19
$ 19.19 - $ 19.19
$ 19.19
$ 15.39
$ 15.39 - $ 15.39
$ 15.39

Foster FSS316-5405-02-04, 1/8" Male Pipe x 1/4" Female Pipe, 316 Stainless

The Foster FSS316-5405-02-04 is a 316 stainless steel NPT Pipe fitting: 1/8" Male Pipe x 1/4" Female Pipe. Machined for leak-tight fluid-power conn...

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$ 19.19
$ 19.19 - $ 19.19
$ 19.19
$ 15.39
$ 15.39 - $ 15.39
$ 15.39
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 %
$ 44.19
$ 44.19 - $ 44.19
$ 44.19
$ 35.39
$ 35.39 - $ 35.39
$ 35.39

Foster FSS316-5404-16-16, 1" Male Pipe x 1" Male Pipe, 316 Stainless

The Foster FSS316-5404-16-16 is a 316 stainless steel NPT Pipe fitting: 1" Male Pipe x 1" Male Pipe. Machined for leak-tight fluid-power connection...

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$ 44.19
$ 44.19 - $ 44.19
$ 44.19
$ 35.39
$ 35.39 - $ 35.39
$ 35.39
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 %
$ 51.49
$ 51.49 - $ 51.49
$ 51.49
$ 41.19
$ 41.19 - $ 41.19
$ 41.19

Foster FSS316-5404-16-08, 1" Male Pipe x 1/2" Male Pipe, 316 Stainless

The Foster FSS316-5404-16-08 is a 316 stainless steel NPT Pipe fitting: 1" Male Pipe x 1/2" Male Pipe. Machined for leak-tight fluid-power connecti...

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$ 51.49
$ 51.49 - $ 51.49
$ 51.49
$ 41.19
$ 41.19 - $ 41.19
$ 41.19
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 %
$ 30.69
$ 30.69 - $ 30.69
$ 30.69
$ 24.59
$ 24.59 - $ 24.59
$ 24.59

Foster FSS316-5404-12-08, 3/4" Male Pipe x 1/2" Male Pipe, 316 Stainless

The Foster FSS316-5404-12-08 is a 316 stainless steel NPT Pipe fitting: 3/4" Male Pipe x 1/2" Male Pipe. Machined for leak-tight fluid-power connec...

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$ 30.69
$ 30.69 - $ 30.69
$ 30.69
$ 24.59
$ 24.59 - $ 24.59
$ 24.59
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 %
$ 32.29
$ 32.29 - $ 32.29
$ 32.29
$ 25.79
$ 25.79 - $ 25.79
$ 25.79

Foster FSS316-5404-12-04, 3/4" Male Pipe x 1/4" Male Pipe, 316 Stainless

The Foster FSS316-5404-12-04 is a 316 stainless steel NPT Pipe fitting: 3/4" Male Pipe x 1/4" Male Pipe. Machined for leak-tight fluid-power connec...

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$ 32.29
$ 32.29 - $ 32.29
$ 32.29
$ 25.79
$ 25.79 - $ 25.79
$ 25.79
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 %
$ 29.19
$ 29.19 - $ 29.19
$ 29.19
$ 23.39
$ 23.39 - $ 23.39
$ 23.39

Foster FSS316-5404-12-12, 3/4" Male Pipe x 3/4" Male Pipe, 316 Stainless

The Foster FSS316-5404-12-12 is a 316 stainless steel NPT Pipe fitting: 3/4" Male Pipe x 3/4" Male Pipe. Machined for leak-tight fluid-power connec...

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$ 29.19
$ 29.19 - $ 29.19
$ 29.19
$ 23.39
$ 23.39 - $ 23.39
$ 23.39
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 %
$ 49.89
$ 49.89 - $ 49.89
$ 49.89
$ 39.89
$ 39.89 - $ 39.89
$ 39.89

Foster FSS316-5404-16-12, 1" Male Pipe x 3/4" Male Pipe, 316 Stainless

The Foster FSS316-5404-16-12 is a 316 stainless steel NPT Pipe fitting: 1" Male Pipe x 3/4" Male Pipe. Machined for leak-tight fluid-power connecti...

View full details
$ 49.89
$ 49.89 - $ 49.89
$ 49.89
$ 39.89
$ 39.89 - $ 39.89
$ 39.89
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 %
$ 19.19
$ 19.19 - $ 19.19
$ 19.19
$ 15.39
$ 15.39 - $ 15.39
$ 15.39

Foster FSS316-5404-08-06, 1/2" Male Pipe x 3/8" Male Pipe, 316 Stainless

The Foster FSS316-5404-08-06 is a 316 stainless steel NPT Pipe fitting: 1/2" Male Pipe x 3/8" Male Pipe. Machined for leak-tight fluid-power connec...

View full details
$ 19.19
$ 19.19 - $ 19.19
$ 19.19
$ 15.39
$ 15.39 - $ 15.39
$ 15.39
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 %
$ 19.19
$ 19.19 - $ 19.19
$ 19.19
$ 15.39
$ 15.39 - $ 15.39
$ 15.39

Foster FSS316-5404-08-04, 1/2" Male Pipe x 1/4" Male Pipe, 316 Stainless

The Foster FSS316-5404-08-04 is a 316 stainless steel NPT Pipe fitting: 1/2" Male Pipe x 1/4" Male Pipe. Machined for leak-tight fluid-power connec...

View full details
$ 19.19
$ 19.19 - $ 19.19
$ 19.19
$ 15.39
$ 15.39 - $ 15.39
$ 15.39
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 %
$ 30.69
$ 30.69 - $ 30.69
$ 30.69
$ 24.59
$ 24.59 - $ 24.59
$ 24.59

Foster FSS316-5404-12-06, 3/4" Male Pipe x 3/8" Male Pipe, 316 Stainless

The Foster FSS316-5404-12-06 is a 316 stainless steel NPT Pipe fitting: 3/4" Male Pipe x 3/8" Male Pipe. Machined for leak-tight fluid-power connec...

View full details
$ 30.69
$ 30.69 - $ 30.69
$ 30.69
$ 24.59
$ 24.59 - $ 24.59
$ 24.59
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 %
$ 19.19
$ 19.19 - $ 19.19
$ 19.19
$ 15.39
$ 15.39 - $ 15.39
$ 15.39

Foster FSS316-5404-08-08, 1/2" Male Pipe x 1/2" Male Pipe, 316 Stainless

The Foster FSS316-5404-08-08 is a 316 stainless steel NPT Pipe fitting: 1/2" Male Pipe x 1/2" Male Pipe. Machined for leak-tight fluid-power connec...

View full details
$ 19.19
$ 19.19 - $ 19.19
$ 19.19
$ 15.39
$ 15.39 - $ 15.39
$ 15.39
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 %
$ 13.49
$ 13.49 - $ 13.49
$ 13.49
$ 10.79
$ 10.79 - $ 10.79
$ 10.79

Foster FSS316-5404-06-02, 3/8" Male Pipe x 1/8" Male Pipe, 316 Stainless

The Foster FSS316-5404-06-02 is a 316 stainless steel NPT Pipe fitting: 3/8" Male Pipe x 1/8" Male Pipe. Machined for leak-tight fluid-power connec...

View full details
$ 13.49
$ 13.49 - $ 13.49
$ 13.49
$ 10.79
$ 10.79 - $ 10.79
$ 10.79
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 %
$ 19.19
$ 19.19 - $ 19.19
$ 19.19
$ 15.39
$ 15.39 - $ 15.39
$ 15.39

Foster FSS316-5404-08-02, 1/2" Male Pipe x 1/8" Male Pipe, 316 Stainless

The Foster FSS316-5404-08-02 is a 316 stainless steel NPT Pipe fitting: 1/2" Male Pipe x 1/8" Male Pipe. Machined for leak-tight fluid-power connec...

View full details
$ 19.19
$ 19.19 - $ 19.19
$ 19.19
$ 15.39
$ 15.39 - $ 15.39
$ 15.39
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 %
$ 12.69
$ 12.69 - $ 12.69
$ 12.69
$ 10.09
$ 10.09 - $ 10.09
$ 10.09

Foster FSS316-5404-06-04, 3/8" Male Pipe x 1/4" Male Pipe, 316 Stainless

The Foster FSS316-5404-06-04 is a 316 stainless steel NPT Pipe fitting: 3/8" Male Pipe x 1/4" Male Pipe. Machined for leak-tight fluid-power connec...

View full details
$ 12.69
$ 12.69 - $ 12.69
$ 12.69
$ 10.09
$ 10.09 - $ 10.09
$ 10.09
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 %
$ 11.89
$ 11.89 - $ 11.89
$ 11.89
$ 9.49
$ 9.49 - $ 9.49
$ 9.49

Foster FSS316-5404-06-06, 3/8" Male Pipe x 3/8" Male Pipe, 316 Stainless

The Foster FSS316-5404-06-06 is a 316 stainless steel NPT Pipe fitting: 3/8" Male Pipe x 3/8" Male Pipe. Machined for leak-tight fluid-power connec...

View full details
$ 11.89
$ 11.89 - $ 11.89
$ 11.89
$ 9.49
$ 9.49 - $ 9.49
$ 9.49
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 %
$ 9.29
$ 9.29 - $ 9.29
$ 9.29
$ 7.39
$ 7.39 - $ 7.39
$ 7.39

Foster FSS316-5404-04-04, 1/4" Male Pipe x 1/4" Male Pipe, 316 Stainless

The Foster FSS316-5404-04-04 is a 316 stainless steel NPT Pipe fitting: 1/4" Male Pipe x 1/4" Male Pipe. Machined for leak-tight fluid-power connec...

View full details
$ 9.29
$ 9.29 - $ 9.29
$ 9.29
$ 7.39
$ 7.39 - $ 7.39
$ 7.39
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 19% Save %
$ 8.79
$ 8.79 - $ 8.79
$ 8.79
$ 7.09
$ 7.09 - $ 7.09
$ 7.09

Foster FSS316-5404-02-02, 1/8" Male Pipe x 1/8" Male Pipe, 316 Stainless

The Foster FSS316-5404-02-02 is a 316 stainless steel NPT Pipe fitting: 1/8" Male Pipe x 1/8" Male Pipe. Machined for leak-tight fluid-power connec...

View full details
$ 8.79
$ 8.79 - $ 8.79
$ 8.79
$ 7.09
$ 7.09 - $ 7.09
$ 7.09
Save 19% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 39.89
$ 39.89 - $ 39.89
$ 39.89
$ 31.99
$ 31.99 - $ 31.99
$ 31.99

Foster FSS316-5000-12-12, 3/4" Female Pipe x 3/4" Female Pipe, 316 Stainless

The Foster FSS316-5000-12-12 is a 316 stainless steel NPT Pipe fitting: 3/4" Female Pipe x 3/4" Female Pipe. Machined for leak-tight fluid-power co...

View full details
$ 39.89
$ 39.89 - $ 39.89
$ 39.89
$ 31.99
$ 31.99 - $ 31.99
$ 31.99
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 %
$ 9.29
$ 9.29 - $ 9.29
$ 9.29
$ 7.39
$ 7.39 - $ 7.39
$ 7.39

Foster FSS316-5404-04-02, 1/4" Male Pipe x 1/8" Male Pipe, 316 Stainless

The Foster FSS316-5404-04-02 is a 316 stainless steel NPT Pipe fitting: 1/4" Male Pipe x 1/8" Male Pipe. Machined for leak-tight fluid-power connec...

View full details
$ 9.29
$ 9.29 - $ 9.29
$ 9.29
$ 7.39
$ 7.39 - $ 7.39
$ 7.39
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 %
$ 72.19
$ 72.19 - $ 72.19
$ 72.19
$ 57.69
$ 57.69 - $ 57.69
$ 57.69

Foster FSS316-5000-16-16, 1" Female Pipe x 1" Female Pipe, 316 Stainless

The Foster FSS316-5000-16-16 is a 316 stainless steel NPT Pipe fitting: 1" Female Pipe x 1" Female Pipe. Machined for leak-tight fluid-power connec...

View full details
$ 72.19
$ 72.19 - $ 72.19
$ 72.19
$ 57.69
$ 57.69 - $ 57.69
$ 57.69
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 %
$ 39.89
$ 39.89 - $ 39.89
$ 39.89
$ 31.99
$ 31.99 - $ 31.99
$ 31.99

Foster FSS316-5000-12-06, 3/4" Female Pipe x 3/8" Female Pipe, 316 Stainless

The Foster FSS316-5000-12-06 is a 316 stainless steel NPT Pipe fitting: 3/4" Female Pipe x 3/8" Female Pipe. Machined for leak-tight fluid-power co...

View full details
$ 39.89
$ 39.89 - $ 39.89
$ 39.89
$ 31.99
$ 31.99 - $ 31.99
$ 31.99
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 %
$ 72.19
$ 72.19 - $ 72.19
$ 72.19
$ 57.69
$ 57.69 - $ 57.69
$ 57.69

Foster FSS316-5000-16-12, 1" Female Pipe x 3/4" Female Pipe, 316 Stainless

The Foster FSS316-5000-16-12 is a 316 stainless steel NPT Pipe fitting: 1" Female Pipe x 3/4" Female Pipe. Machined for leak-tight fluid-power conn...

View full details
$ 72.19
$ 72.19 - $ 72.19
$ 72.19
$ 57.69
$ 57.69 - $ 57.69
$ 57.69
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 %
$ 39.89
$ 39.89 - $ 39.89
$ 39.89
$ 31.99
$ 31.99 - $ 31.99
$ 31.99

Foster FSS316-5000-12-08, 3/4" Female Pipe x 1/2" Female Pipe, 316 Stainless

The Foster FSS316-5000-12-08 is a 316 stainless steel NPT Pipe fitting: 3/4" Female Pipe x 1/2" Female Pipe. Machined for leak-tight fluid-power co...

View full details
$ 39.89
$ 39.89 - $ 39.89
$ 39.89
$ 31.99
$ 31.99 - $ 31.99
$ 31.99
Save 20% Save %

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