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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 %
$ 185.39
$ 185.39 - $ 185.39
$ 185.39
$ 148.29
$ 148.29 - $ 148.29
$ 148.29

Foster FSS316-5601-16-16-16, 1" Male Pipe x 1" Female Pipe, 316 Stainless

The Foster FSS316-5601-16-16-16 is a 316 stainless steel NPT Pipe fitting: 1" Male Pipe x 1" Female Pipe. Machined for leak-tight fluid-power conne...

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$ 185.39
$ 185.39 - $ 185.39
$ 185.39
$ 148.29
$ 148.29 - $ 148.29
$ 148.29
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 %
$ 79.49
$ 79.49 - $ 79.49
$ 79.49
$ 63.59
$ 63.59 - $ 63.59
$ 63.59

Foster FSS316-5601-08-08-08, 1/2" Male Pipe x 1/2" Female Pipe, 316 Stainless

The Foster FSS316-5601-08-08-08 is a 316 stainless steel NPT Pipe fitting: 1/2" Male Pipe x 1/2" Female Pipe. Machined for leak-tight fluid-power c...

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$ 79.49
$ 79.49 - $ 79.49
$ 79.49
$ 63.59
$ 63.59 - $ 63.59
$ 63.59
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 %
$ 111.79
$ 111.79 - $ 111.79
$ 111.79
$ 89.49
$ 89.49 - $ 89.49
$ 89.49

Foster FSS316-5601-12-12-12, 3/4" Male Pipe x 3/4" Female Pipe, 316 Stainless

The Foster FSS316-5601-12-12-12 is a 316 stainless steel NPT Pipe fitting: 3/4" Male Pipe x 3/4" Female Pipe. Machined for leak-tight fluid-power c...

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$ 111.79
$ 111.79 - $ 111.79
$ 111.79
$ 89.49
$ 89.49 - $ 89.49
$ 89.49
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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 %
$ 50.09
$ 50.09 - $ 50.09
$ 50.09
$ 39.99
$ 39.99 - $ 39.99
$ 39.99

Foster FSS316-5601-04-04-04, 1/4" Male Pipe x 1/4" Female Pipe, 316 Stainless

The Foster FSS316-5601-04-04-04 is a 316 stainless steel NPT Pipe fitting: 1/4" Male Pipe x 1/4" Female Pipe. Machined for leak-tight fluid-power c...

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$ 50.09
$ 50.09 - $ 50.09
$ 50.09
$ 39.99
$ 39.99 - $ 39.99
$ 39.99
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 66.19
$ 66.19 - $ 66.19
$ 66.19
$ 52.99
$ 52.99 - $ 52.99
$ 52.99

Foster FSS316-5601-06-06-06, 3/8" Male Pipe x 3/8" Female Pipe, 316 Stainless

The Foster FSS316-5601-06-06-06 is a 316 stainless steel NPT Pipe fitting: 3/8" Male Pipe x 3/8" Female Pipe. Machined for leak-tight fluid-power c...

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$ 66.19
$ 66.19 - $ 66.19
$ 66.19
$ 52.99
$ 52.99 - $ 52.99
$ 52.99
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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 %
$ 100.59
$ 100.59 - $ 100.59
$ 100.59
$ 80.49
$ 80.49 - $ 80.49
$ 80.49

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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$ 100.59
$ 100.59 - $ 100.59
$ 100.59
$ 80.49
$ 80.49 - $ 80.49
$ 80.49
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 129.79
$ 129.79 - $ 129.79
$ 129.79
$ 103.79
$ 103.79 - $ 103.79
$ 103.79

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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$ 129.79
$ 129.79 - $ 129.79
$ 129.79
$ 103.79
$ 103.79 - $ 103.79
$ 103.79
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 %
$ 55.69
$ 55.69 - $ 55.69
$ 55.69
$ 44.49
$ 44.49 - $ 44.49
$ 44.49

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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$ 55.69
$ 55.69 - $ 55.69
$ 55.69
$ 44.49
$ 44.49 - $ 44.49
$ 44.49
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 %
$ 37.09
$ 37.09 - $ 37.09
$ 37.09
$ 29.69
$ 29.69 - $ 29.69
$ 29.69

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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$ 37.09
$ 37.09 - $ 37.09
$ 37.09
$ 29.69
$ 29.69 - $ 29.69
$ 29.69
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 %
$ 30.49
$ 30.49 - $ 30.49
$ 30.49
$ 24.39
$ 24.39 - $ 24.39
$ 24.39

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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$ 30.49
$ 30.49 - $ 30.49
$ 30.49
$ 24.39
$ 24.39 - $ 24.39
$ 24.39
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 %
$ 63.59
$ 63.59 - $ 63.59
$ 63.59
$ 50.89
$ 50.89 - $ 50.89
$ 50.89

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 ...

View full details
$ 63.59
$ 63.59 - $ 63.59
$ 63.59
$ 50.89
$ 50.89 - $ 50.89
$ 50.89
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 %
$ 51.79
$ 51.79 - $ 51.79
$ 51.79
$ 41.39
$ 41.39 - $ 41.39
$ 41.39

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...

View full details
$ 51.79
$ 51.79 - $ 51.79
$ 51.79
$ 41.39
$ 41.39 - $ 41.39
$ 41.39
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 FSS316-5406-16-02, 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...

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 %
$ 33.79
$ 33.79 - $ 33.79
$ 33.79
$ 26.99
$ 26.99 - $ 26.99
$ 26.99

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...

View full details
$ 33.79
$ 33.79 - $ 33.79
$ 33.79
$ 26.99
$ 26.99 - $ 26.99
$ 26.99
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 %
$ 49.89
$ 49.89 - $ 49.89
$ 49.89
$ 39.89
$ 39.89 - $ 39.89
$ 39.89

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
$ 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 %
$ 49.89
$ 49.89 - $ 49.89
$ 49.89
$ 39.89
$ 39.89 - $ 39.89
$ 39.89

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
$ 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 %
$ 32.99
$ 32.99 - $ 32.99
$ 32.99
$ 26.39
$ 26.39 - $ 26.39
$ 26.39

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
$ 32.99
$ 32.99 - $ 32.99
$ 32.99
$ 26.39
$ 26.39 - $ 26.39
$ 26.39
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 FSS316-5406-16-06, 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
$ 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 %
$ 21.49
$ 21.49 - $ 21.49
$ 21.49
$ 17.19
$ 17.19 - $ 17.19
$ 17.19

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
$ 21.49
$ 21.49 - $ 21.49
$ 21.49
$ 17.19
$ 17.19 - $ 17.19
$ 17.19
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 %
$ 32.99
$ 32.99 - $ 32.99
$ 32.99
$ 26.39
$ 26.39 - $ 26.39
$ 26.39

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
$ 32.99
$ 32.99 - $ 32.99
$ 32.99
$ 26.39
$ 26.39 - $ 26.39
$ 26.39
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 %
$ 32.99
$ 32.99 - $ 32.99
$ 32.99
$ 26.39
$ 26.39 - $ 26.39
$ 26.39

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
$ 32.99
$ 32.99 - $ 32.99
$ 32.99
$ 26.39
$ 26.39 - $ 26.39
$ 26.39
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 %
$ 20.69
$ 20.69 - $ 20.69
$ 20.69
$ 16.59
$ 16.59 - $ 16.59
$ 16.59

Foster FSS316-5406-08-04, 1/2" Male Pipe x 1/4" Female Pipe, 316 Stainless

The Foster FSS316-5406-08-04 is a 316 stainless steel NPT Pipe fitting: 1/2" Male Pipe x 1/4" Female Pipe. Machined for leak-tight fluid-power conn...

View full details
$ 20.69
$ 20.69 - $ 20.69
$ 20.69
$ 16.59
$ 16.59 - $ 16.59
$ 16.59
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 %
$ 20.69
$ 20.69 - $ 20.69
$ 20.69
$ 16.59
$ 16.59 - $ 16.59
$ 16.59

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...

View full details
$ 20.69
$ 20.69 - $ 20.69
$ 20.69
$ 16.59
$ 16.59 - $ 16.59
$ 16.59
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 %
$ 16.89
$ 16.89 - $ 16.89
$ 16.89
$ 13.49
$ 13.49 - $ 13.49
$ 13.49

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
$ 16.89
$ 16.89 - $ 16.89
$ 16.89
$ 13.49
$ 13.49 - $ 13.49
$ 13.49
Save 20% Save %

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