Skip to content
☀️ Take an Additional 10% Off Your Entire Order with code GEARUP10 at checkout.
☀️ Additional 10% Off • GEARUP10

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.

Filters

Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 6.39
$ 6.39 - $ 6.39
$ 6.39
$ 5.09
$ 5.09 - $ 5.09
$ 5.09

Foster FSS316-2404-04-02, -04 MJIC X 1/8 MALE NPT, 316 Stainless

The Foster FSS316-2404-04-02 is a 316 stainless steel JIC 37° Flare fitting: -04 MJIC X 1/8 MALE NPT. Machined for leak-tight fluid-power connectio...

View full details
$ 6.39
$ 6.39 - $ 6.39
$ 6.39
$ 5.09
$ 5.09 - $ 5.09
$ 5.09
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 %
$ 35.89
$ 35.89 - $ 35.89
$ 35.89
$ 28.69
$ 28.69 - $ 28.69
$ 28.69

Foster FSS316-2403-16-12, -16 MJIC X -12 MJIC UNION, 316 Stainless

The Foster FSS316-2403-16-12 is a 316 stainless steel JIC 37° Flare fitting: -16 MJIC X -12 MJIC UNION. Machined for leak-tight fluid-power connect...

View full details
$ 35.89
$ 35.89 - $ 35.89
$ 35.89
$ 28.69
$ 28.69 - $ 28.69
$ 28.69
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 FSS316-2403-12-12, -12 MJIC X -12 MJIC UNION, 316 Stainless

The Foster FSS316-2403-12-12 is a 316 stainless steel JIC 37° Flare fitting: -12 MJIC X -12 MJIC UNION. Machined for leak-tight fluid-power connect...

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 %
$ 35.89
$ 35.89 - $ 35.89
$ 35.89
$ 28.69
$ 28.69 - $ 28.69
$ 28.69

Foster FSS316-2403-16-16, -16 MJIC X -16 MJIC UNION, 316 Stainless

The Foster FSS316-2403-16-16 is a 316 stainless steel JIC 37° Flare fitting: -16 MJIC X -16 MJIC UNION. Machined for leak-tight fluid-power connect...

View full details
$ 35.89
$ 35.89 - $ 35.89
$ 35.89
$ 28.69
$ 28.69 - $ 28.69
$ 28.69
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 FSS316-2403-12-06, -12 MJIC X -06 MJIC UNION, 316 Stainless

The Foster FSS316-2403-12-06 is a 316 stainless steel JIC 37° Flare fitting: -12 MJIC X -06 MJIC UNION. Machined for leak-tight fluid-power connect...

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 FSS316-2403-12-08, -12 MJIC X -08 MJIC UNION, 316 Stainless

The Foster FSS316-2403-12-08 is a 316 stainless steel JIC 37° Flare fitting: -12 MJIC X -08 MJIC UNION. Machined for leak-tight fluid-power connect...

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 FSS316-2403-12-04, -12 MJIC X -04 MJIC UNION, 316 Stainless

The Foster FSS316-2403-12-04 is a 316 stainless steel JIC 37° Flare fitting: -12 MJIC X -04 MJIC UNION. Machined for leak-tight fluid-power connect...

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 %
$ 17.89
$ 17.89 - $ 17.89
$ 17.89
$ 14.29
$ 14.29 - $ 14.29
$ 14.29

Foster FSS316-2403-10-08, -10 MJIC X -08 MJIC UNION, 316 Stainless

The Foster FSS316-2403-10-08 is a 316 stainless steel JIC 37° Flare fitting: -10 MJIC X -08 MJIC UNION. Machined for leak-tight fluid-power connect...

View full details
$ 17.89
$ 17.89 - $ 17.89
$ 17.89
$ 14.29
$ 14.29 - $ 14.29
$ 14.29
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 %
$ 17.89
$ 17.89 - $ 17.89
$ 17.89
$ 14.29
$ 14.29 - $ 14.29
$ 14.29

Foster FSS316-2403-10-10, -10 MJIC X -10 MJIC UNION, 316 Stainless

The Foster FSS316-2403-10-10 is a 316 stainless steel JIC 37° Flare fitting: -10 MJIC X -10 MJIC UNION. Machined for leak-tight fluid-power connect...

View full details
$ 17.89
$ 17.89 - $ 17.89
$ 17.89
$ 14.29
$ 14.29 - $ 14.29
$ 14.29
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 %
$ 12.79
$ 12.79 - $ 12.79
$ 12.79
$ 10.19
$ 10.19 - $ 10.19
$ 10.19

Foster FSS316-2403-08-04, -08 MJIC X -04 MJIC UNION, 316 Stainless

The Foster FSS316-2403-08-04 is a 316 stainless steel JIC 37° Flare fitting: -08 MJIC X -04 MJIC UNION. Machined for leak-tight fluid-power connect...

View full details
$ 12.79
$ 12.79 - $ 12.79
$ 12.79
$ 10.19
$ 10.19 - $ 10.19
$ 10.19
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 %
$ 12.79
$ 12.79 - $ 12.79
$ 12.79
$ 10.19
$ 10.19 - $ 10.19
$ 10.19

Foster FSS316-2403-08-08, -08 MJIC X -08 MJIC UNION, 316 Stainless

The Foster FSS316-2403-08-08 is a 316 stainless steel JIC 37° Flare fitting: -08 MJIC X -08 MJIC UNION. Machined for leak-tight fluid-power connect...

View full details
$ 12.79
$ 12.79 - $ 12.79
$ 12.79
$ 10.19
$ 10.19 - $ 10.19
$ 10.19
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 %
$ 12.79
$ 12.79 - $ 12.79
$ 12.79
$ 10.19
$ 10.19 - $ 10.19
$ 10.19

Foster FSS316-2403-08-06, -08 MJIC X -06 MJIC UNION, 316 Stainless

The Foster FSS316-2403-08-06 is a 316 stainless steel JIC 37° Flare fitting: -08 MJIC X -06 MJIC UNION. Machined for leak-tight fluid-power connect...

View full details
$ 12.79
$ 12.79 - $ 12.79
$ 12.79
$ 10.19
$ 10.19 - $ 10.19
$ 10.19
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 21% Save %
$ 7.69
$ 7.69 - $ 7.69
$ 7.69
$ 6.09
$ 6.09 - $ 6.09
$ 6.09

Foster FSS316-2403-06-04, -06 MJIC X -04 MJIC UNION, 316 Stainless

The Foster FSS316-2403-06-04 is a 316 stainless steel JIC 37° Flare fitting: -06 MJIC X -04 MJIC UNION. Machined for leak-tight fluid-power connect...

View full details
$ 7.69
$ 7.69 - $ 7.69
$ 7.69
$ 6.09
$ 6.09 - $ 6.09
$ 6.09
Save 21% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 6.39
$ 6.39 - $ 6.39
$ 6.39
$ 5.09
$ 5.09 - $ 5.09
$ 5.09

Foster FSS316-2403-04-04, -04 MJIC X -04 MJIC UNION, 316 Stainless

The Foster FSS316-2403-04-04 is a 316 stainless steel JIC 37° Flare fitting: -04 MJIC X -04 MJIC UNION. Machined for leak-tight fluid-power connect...

View full details
$ 6.39
$ 6.39 - $ 6.39
$ 6.39
$ 5.09
$ 5.09 - $ 5.09
$ 5.09
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 21% Save %
$ 7.69
$ 7.69 - $ 7.69
$ 7.69
$ 6.09
$ 6.09 - $ 6.09
$ 6.09

Foster FSS316-2403-06-06, -06 MJIC X -06 MJIC UNION, 316 Stainless

The Foster FSS316-2403-06-06 is a 316 stainless steel JIC 37° Flare fitting: -06 MJIC X -06 MJIC UNION. Machined for leak-tight fluid-power connect...

View full details
$ 7.69
$ 7.69 - $ 7.69
$ 7.69
$ 6.09
$ 6.09 - $ 6.09
$ 6.09
Save 21% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 87.99
$ 87.99 - $ 87.99
$ 87.99
$ 70.39
$ 70.39 - $ 70.39
$ 70.39

Foster FSS316-FS2603-12-12-12, Stainless Steel Union Tee, 3/4" ORFS x 3/4" ORFS x 3/4" ORFS, 316 Stainless

The Foster FSS316-FS2603-12-12-12 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Union Tee, 3/4" ORFS x 3/4" ORFS x 3/4"...

View full details
$ 87.99
$ 87.99 - $ 87.99
$ 87.99
$ 70.39
$ 70.39 - $ 70.39
$ 70.39
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 %
$ 71.99
$ 71.99 - $ 71.99
$ 71.99
$ 57.59
$ 57.59 - $ 57.59
$ 57.59

Foster FSS316-FS2603-10-10-10, Stainless Steel Union Tee, 5/8" ORFS x 5/8" ORFS x 5/8" ORFS, 316 Stainless

The Foster FSS316-FS2603-10-10-10 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Union Tee, 5/8" ORFS x 5/8" ORFS x 5/8"...

View full details
$ 71.99
$ 71.99 - $ 71.99
$ 71.99
$ 57.59
$ 57.59 - $ 57.59
$ 57.59
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 21% Save %
$ 7.69
$ 7.69 - $ 7.69
$ 7.69
$ 6.09
$ 6.09 - $ 6.09
$ 6.09

Foster FSS316-2403-05-05, -05 MJIC X -05 MJIC UNION, 316 Stainless

The Foster FSS316-2403-05-05 is a 316 stainless steel JIC 37° Flare fitting: -05 MJIC X -05 MJIC UNION. Machined for leak-tight fluid-power connect...

View full details
$ 7.69
$ 7.69 - $ 7.69
$ 7.69
$ 6.09
$ 6.09 - $ 6.09
$ 6.09
Save 21% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 135.89
$ 135.89 - $ 135.89
$ 135.89
$ 108.79
$ 108.79 - $ 108.79
$ 108.79

Foster FSS316-FS2603-16-16-16, Stainless Steel Union Tee, 1" ORFS x 1" ORFS x 1" ORFS, 316 Stainless

The Foster FSS316-FS2603-16-16-16 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Union Tee, 1" ORFS x 1" ORFS x 1" ORFS....

View full details
$ 135.89
$ 135.89 - $ 135.89
$ 135.89
$ 108.79
$ 108.79 - $ 108.79
$ 108.79
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 %
$ 111.89
$ 111.89 - $ 111.89
$ 111.89
$ 89.59
$ 89.59 - $ 89.59
$ 89.59

Foster FSS316-FS2650-12-12-12-12, Stainless Steel 3/4" Male ORFSS316- Cross, 316 Stainless

The Foster FSS316-FS2650-12-12-12-12 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 3/4" Male ORFSS316- Cross. Machined ...

View full details
$ 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 %
$ 33.59
$ 33.59 - $ 33.59
$ 33.59
$ 26.89
$ 26.89 - $ 26.89
$ 26.89

Foster FSS316-FS2603-04-04-04, Stainless Steel Union Tee, 1/4" ORFS x 1/4" ORFS x 1/4" ORFS, 316 Stainless

The Foster FSS316-FS2603-04-04-04 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Union Tee, 1/4" ORFS x 1/4" ORFS x 1/4"...

View full details
$ 33.59
$ 33.59 - $ 33.59
$ 33.59
$ 26.89
$ 26.89 - $ 26.89
$ 26.89
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 %
$ 55.99
$ 55.99 - $ 55.99
$ 55.99
$ 44.79
$ 44.79 - $ 44.79
$ 44.79

Foster FSS316-FS2603-08-08-08, Stainless Steel Union Tee, 1/2" ORFS x 1/2" ORFS x 1/2" ORFS, 316 Stainless

The Foster FSS316-FS2603-08-08-08 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Union Tee, 1/2" ORFS x 1/2" ORFS x 1/2"...

View full details
$ 55.99
$ 55.99 - $ 55.99
$ 55.99
$ 44.79
$ 44.79 - $ 44.79
$ 44.79
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 %
$ 39.99
$ 39.99 - $ 39.99
$ 39.99
$ 31.99
$ 31.99 - $ 31.99
$ 31.99

Foster FSS316-FS2603-06-06-06, Stainless Steel Union Tee, 3/8" ORFS x 3/8" ORFS x 3/8" ORFS, 316 Stainless

The Foster FSS316-FS2603-06-06-06 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Union Tee, 3/8" ORFS x 3/8" ORFS x 3/8"...

View full details
$ 39.99
$ 39.99 - $ 39.99
$ 39.99
$ 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 %
$ 60.79
$ 60.79 - $ 60.79
$ 60.79
$ 48.59
$ 48.59 - $ 48.59
$ 48.59

Foster FSS316-FS2500-12-12, Stainless Steel 90° Union Elbow, 3/4" ORFS x 3/4" ORFS, 316 Stainless

The Foster FSS316-FS2500-12-12 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 90° Union Elbow, 3/4" ORFS x 3/4" ORFS. Ma...

View full details
$ 60.79
$ 60.79 - $ 60.79
$ 60.79
$ 48.59
$ 48.59 - $ 48.59
$ 48.59
Save 20% Save %

Request a Quote

Bulk and dealer pricing. Tell us what you need and we’ll reply within one business day.