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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 %
$ 13.49
$ 13.49 - $ 13.49
$ 13.49
$ 10.79
$ 10.79 - $ 10.79
$ 10.79

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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$ 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 %
$ 17.69
$ 17.69 - $ 17.69
$ 17.69
$ 14.19
$ 14.19 - $ 14.19
$ 14.19

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...

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$ 17.69
$ 17.69 - $ 17.69
$ 17.69
$ 14.19
$ 14.19 - $ 14.19
$ 14.19
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 %
$ 73.19
$ 73.19 - $ 73.19
$ 73.19
$ 58.59
$ 58.59 - $ 58.59
$ 58.59

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...

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$ 73.19
$ 73.19 - $ 73.19
$ 73.19
$ 58.59
$ 58.59 - $ 58.59
$ 58.59
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 %
$ 29.29
$ 29.29 - $ 29.29
$ 29.29
$ 23.39
$ 23.39 - $ 23.39
$ 23.39

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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$ 29.29
$ 29.29 - $ 29.29
$ 29.29
$ 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 %
$ 156.69
$ 156.69 - $ 156.69
$ 156.69
$ 125.39
$ 125.39 - $ 125.39
$ 125.39

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...

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$ 156.69
$ 156.69 - $ 156.69
$ 156.69
$ 125.39
$ 125.39 - $ 125.39
$ 125.39
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 %
$ 111.89
$ 111.89 - $ 111.89
$ 111.89
$ 89.59
$ 89.59 - $ 89.59
$ 89.59

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...

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$ 111.89
$ 111.89 - $ 111.89
$ 111.89
$ 89.59
$ 89.59 - $ 89.59
$ 89.59
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 %
$ 74.89
$ 74.89 - $ 74.89
$ 74.89
$ 59.89
$ 59.89 - $ 59.89
$ 59.89

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

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

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$ 74.89
$ 74.89 - $ 74.89
$ 74.89
$ 59.89
$ 59.89 - $ 59.89
$ 59.89
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 %
$ 54.89
$ 54.89 - $ 54.89
$ 54.89
$ 43.89
$ 43.89 - $ 43.89
$ 43.89

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

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

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$ 54.89
$ 54.89 - $ 54.89
$ 54.89
$ 43.89
$ 43.89 - $ 43.89
$ 43.89
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 %
$ 64.59
$ 64.59 - $ 64.59
$ 64.59
$ 51.59
$ 51.59 - $ 51.59
$ 51.59

Foster FSS316-5405-08-16, 1/2" Male Pipe x 1" Female Pipe, 316 Stainless

The Foster FSS316-5405-08-16 is a 316 stainless steel NPT Pipe fitting: 1/2" Male Pipe x 1" Female Pipe. Machined for leak-tight fluid-power connec...

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$ 64.59
$ 64.59 - $ 64.59
$ 64.59
$ 51.59
$ 51.59 - $ 51.59
$ 51.59
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 %
$ 54.89
$ 54.89 - $ 54.89
$ 54.89
$ 43.89
$ 43.89 - $ 43.89
$ 43.89

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

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

View full details
$ 54.89
$ 54.89 - $ 54.89
$ 54.89
$ 43.89
$ 43.89 - $ 43.89
$ 43.89
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 %
$ 18.59
$ 18.59 - $ 18.59
$ 18.59
$ 14.89
$ 14.89 - $ 14.89
$ 14.89

Foster FSS316-5405-08-06, 1/2" Male Pipe x 3/8" Female Pipe, 316 Stainless

The Foster FSS316-5405-08-06 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
$ 18.59
$ 18.59 - $ 18.59
$ 18.59
$ 14.89
$ 14.89 - $ 14.89
$ 14.89
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 %
$ 17.99
$ 17.99 - $ 17.99
$ 17.99
$ 14.39
$ 14.39 - $ 14.39
$ 14.39

Foster FSS316-5405-08-04, 1/2" Male Pipe x 1/4" Female Pipe, 316 Stainless

The Foster FSS316-5405-08-04 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
$ 17.99
$ 17.99 - $ 17.99
$ 17.99
$ 14.39
$ 14.39 - $ 14.39
$ 14.39
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 %
$ 17.99
$ 17.99 - $ 17.99
$ 17.99
$ 14.39
$ 14.39 - $ 14.39
$ 14.39

Foster FSS316-5405-08-02, 1/2" Male Pipe x 1/8" Female Pipe, 316 Stainless

The Foster FSS316-5405-08-02 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
$ 17.99
$ 17.99 - $ 17.99
$ 17.99
$ 14.39
$ 14.39 - $ 14.39
$ 14.39
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 %
$ 35.99
$ 35.99 - $ 35.99
$ 35.99
$ 28.79
$ 28.79 - $ 28.79
$ 28.79

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

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

View full details
$ 35.99
$ 35.99 - $ 35.99
$ 35.99
$ 28.79
$ 28.79 - $ 28.79
$ 28.79
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 %
$ 54.89
$ 54.89 - $ 54.89
$ 54.89
$ 43.89
$ 43.89 - $ 43.89
$ 43.89

Foster FSS316-5405-06-12, 3/8" Male Pipe x 3/4" Female Pipe, 316 Stainless

The Foster FSS316-5405-06-12 is a 316 stainless steel NPT Pipe fitting: 3/8" Male Pipe x 3/4" Female Pipe. Machined for leak-tight fluid-power conn...

View full details
$ 54.89
$ 54.89 - $ 54.89
$ 54.89
$ 43.89
$ 43.89 - $ 43.89
$ 43.89
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 %
$ 17.69
$ 17.69 - $ 17.69
$ 17.69
$ 14.19
$ 14.19 - $ 14.19
$ 14.19

Foster FSS316-5405-06-04, 04 | 3/8" Male Pipe x 1/4" Female Pipe, 316 Stainless

The Foster FSS316-5405-06-04 is a 316 stainless steel NPT Pipe fitting: 04 | 3/8" Male Pipe x 1/4" Female Pipe. Machined for leak-tight fluid-power...

View full details
$ 17.69
$ 17.69 - $ 17.69
$ 17.69
$ 14.19
$ 14.19 - $ 14.19
$ 14.19
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 %
$ 34.89
$ 34.89 - $ 34.89
$ 34.89
$ 27.99
$ 27.99 - $ 27.99
$ 27.99

Foster FSS316-5405-06-08, 3/8" Male Pipe x 1/2" Female Pipe, 316 Stainless

The Foster FSS316-5405-06-08 is a 316 stainless steel NPT Pipe fitting: 3/8" Male Pipe x 1/2" Female Pipe. Machined for leak-tight fluid-power conn...

View full details
$ 34.89
$ 34.89 - $ 34.89
$ 34.89
$ 27.99
$ 27.99 - $ 27.99
$ 27.99
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 %
$ 27.69
$ 27.69 - $ 27.69
$ 27.69
$ 22.09
$ 22.09 - $ 22.09
$ 22.09

Foster FSS316-5405-06-06, 3/8" Male Pipe x 3/8" Female Pipe, 316 Stainless

The Foster FSS316-5405-06-06 is a 316 stainless steel NPT Pipe fitting: 3/8" Male Pipe x 3/8" Female Pipe. Machined for leak-tight fluid-power conn...

View full details
$ 27.69
$ 27.69 - $ 27.69
$ 27.69
$ 22.09
$ 22.09 - $ 22.09
$ 22.09
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 %
$ 41.49
$ 41.49 - $ 41.49
$ 41.49
$ 33.19
$ 33.19 - $ 33.19
$ 33.19

Foster FSS316-5405-04-08, 1/4" Male Pipe x 1/2" Female Pipe, 316 Stainless

The Foster FSS316-5405-04-08 is a 316 stainless steel NPT Pipe fitting: 1/4" Male Pipe x 1/2" Female Pipe. Machined for leak-tight fluid-power conn...

View full details
$ 41.49
$ 41.49 - $ 41.49
$ 41.49
$ 33.19
$ 33.19 - $ 33.19
$ 33.19
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 %
$ 27.69
$ 27.69 - $ 27.69
$ 27.69
$ 22.09
$ 22.09 - $ 22.09
$ 22.09

Foster FSS316-5405-04-06, 06 | 1/4" Male Pipe x 3/8" Female Pipe, 316 Stainless

The Foster FSS316-5405-04-06 is a 316 stainless steel NPT Pipe fitting: 06 | 1/4" Male Pipe x 3/8" Female Pipe. Machined for leak-tight fluid-power...

View full details
$ 27.69
$ 27.69 - $ 27.69
$ 27.69
$ 22.09
$ 22.09 - $ 22.09
$ 22.09
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 %
$ 63.29
$ 63.29 - $ 63.29
$ 63.29
$ 50.69
$ 50.69 - $ 50.69
$ 50.69

Foster FSS316-5405-04-12, 1/4" Male Pipe x 3/4" Female Pipe, 316 Stainless

The Foster FSS316-5405-04-12 is a 316 stainless steel NPT Pipe fitting: 1/4" Male Pipe x 3/4" Female Pipe. Machined for leak-tight fluid-power conn...

View full details
$ 63.29
$ 63.29 - $ 63.29
$ 63.29
$ 50.69
$ 50.69 - $ 50.69
$ 50.69
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 %
$ 19.19
$ 19.19 - $ 19.19
$ 19.19
$ 15.39
$ 15.39 - $ 15.39
$ 15.39

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

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

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 %
$ 41.49
$ 41.49 - $ 41.49
$ 41.49
$ 33.19
$ 33.19 - $ 33.19
$ 33.19

Foster FSS316-5405-02-08, 1/8" Male Pipe x 1/2" Female Pipe, 316 Stainless

The Foster FSS316-5405-02-08 is a 316 stainless steel NPT Pipe fitting: 1/8" Male Pipe x 1/2" Female Pipe. Machined for leak-tight fluid-power conn...

View full details
$ 41.49
$ 41.49 - $ 41.49
$ 41.49
$ 33.19
$ 33.19 - $ 33.19
$ 33.19
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 %
$ 27.69
$ 27.69 - $ 27.69
$ 27.69
$ 22.09
$ 22.09 - $ 22.09
$ 22.09

Foster FSS316-5405-02-06, 1/8" Male Pipe x 3/8" Female Pipe, 316 Stainless

The Foster FSS316-5405-02-06 is a 316 stainless steel NPT Pipe fitting: 1/8" Male Pipe x 3/8" Female Pipe. Machined for leak-tight fluid-power conn...

View full details
$ 27.69
$ 27.69 - $ 27.69
$ 27.69
$ 22.09
$ 22.09 - $ 22.09
$ 22.09
Save 20% Save %

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