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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 %
$ 1,690.00
$ 1,690.00 - $ 1,690.00
$ 1,690.00
$ 1,352.00
$ 1,352.00 - $ 1,352.00
$ 1,352.00

Foster FSS316-FS2500-16-16, Stainless Steel 90° Union Elbow, 1" ORFS x 1" ORFS, 316 Stainless

The Foster FSS316-FS2500-16-16 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 90° Union Elbow, 1" ORFS x 1" ORFS. Machin...

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$ 1,690.00
$ 1,690.00 - $ 1,690.00
$ 1,690.00
$ 1,352.00
$ 1,352.00 - $ 1,352.00
$ 1,352.00
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 %
$ 789.00
$ 789.00 - $ 789.00
$ 789.00
$ 632.00
$ 632.00 - $ 632.00
$ 632.00

Foster FSS316-FS2500-10-10, Stainless Steel 90° Union Elbow, 5/8" ORFS x 5/8" ORFS, 316 Stainless

The Foster FSS316-FS2500-10-10 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 90° Union Elbow, 5/8" ORFS x 5/8" ORFS. Ma...

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$ 789.00
$ 789.00 - $ 789.00
$ 789.00
$ 632.00
$ 632.00 - $ 632.00
$ 632.00
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 %
$ 423.00
$ 423.00 - $ 423.00
$ 423.00
$ 338.00
$ 338.00 - $ 338.00
$ 338.00

Foster FSS316-FS2500-04-04, Stainless Steel 90° Union Elbow, 1/4" ORFS x 1/4" ORFS, 316 Stainless

The Foster FSS316-FS2500-04-04 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 90° Union Elbow, 1/4" ORFS x 1/4" ORFS. Ma...

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$ 423.00
$ 423.00 - $ 423.00
$ 423.00
$ 338.00
$ 338.00 - $ 338.00
$ 338.00
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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 %
$ 479.00
$ 479.00 - $ 479.00
$ 479.00
$ 384.00
$ 384.00 - $ 384.00
$ 384.00

Foster FSS316-FS2500-06-06, Stainless Steel 90° Union Elbow, 3/8" ORFS x 3/8" ORFS, 316 Stainless

The Foster FSS316-FS2500-06-06 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 90° Union Elbow, 3/8" ORFS x 3/8" ORFS. Ma...

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$ 479.00
$ 479.00 - $ 479.00
$ 479.00
$ 384.00
$ 384.00 - $ 384.00
$ 384.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 592.00
$ 592.00 - $ 592.00
$ 592.00
$ 474.00
$ 474.00 - $ 474.00
$ 474.00

Foster FSS316-FS2500-08-08, Stainless Steel 90° Union Elbow, 1/2" ORFS x 1/2" ORFS, 316 Stainless

The Foster FSS316-FS2500-08-08 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 90° Union Elbow, 1/2" ORFS x 1/2" ORFS. Ma...

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$ 592.00
$ 592.00 - $ 592.00
$ 592.00
$ 474.00
$ 474.00 - $ 474.00
$ 474.00
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 %
$ 226.00
$ 226.00 - $ 226.00
$ 226.00
$ 180.00
$ 180.00 - $ 180.00
$ 180.00

Foster FSS316-FS2404-06-06, Stainless Steel 3/8" Male ORFS x 3/8" Male NPTF, 316 Stainless

The Foster FSS316-FS2404-06-06 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 3/8" Male ORFS x 3/8" Male NPTF. Machined ...

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$ 226.00
$ 226.00 - $ 226.00
$ 226.00
$ 180.00
$ 180.00 - $ 180.00
$ 180.00
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 %
$ 338.00
$ 338.00 - $ 338.00
$ 338.00
$ 271.00
$ 271.00 - $ 271.00
$ 271.00

Foster FSS316-FS2404-06-08, Stainless Steel 3/8" Male ORFS x 1/2" Male NPTF, 316 Stainless

The Foster FSS316-FS2404-06-08 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 3/8" Male ORFS x 1/2" Male NPTF. Machined ...

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$ 338.00
$ 338.00 - $ 338.00
$ 338.00
$ 271.00
$ 271.00 - $ 271.00
$ 271.00
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 %
$ 507.00
$ 507.00 - $ 507.00
$ 507.00
$ 405.00
$ 405.00 - $ 405.00
$ 405.00

Foster FSS316-FS2404-12-12, Stainless Steel 3/4" Male ORFS x 3/4" Male NPTF, 316 Stainless

The Foster FSS316-FS2404-12-12 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 3/4" Male ORFS x 3/4" Male NPTF. Machined ...

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$ 507.00
$ 507.00 - $ 507.00
$ 507.00
$ 405.00
$ 405.00 - $ 405.00
$ 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 %
$ 845.00
$ 845.00 - $ 845.00
$ 845.00
$ 676.00
$ 676.00 - $ 676.00
$ 676.00

Foster FSS316-FS2404-16-16, Stainless Steel 1" Male ORFS x 1" Male NPTF, 316 Stainless

The Foster FSS316-FS2404-16-16 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 1" Male ORFS x 1" Male NPTF. Machined for ...

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$ 845.00
$ 845.00 - $ 845.00
$ 845.00
$ 676.00
$ 676.00 - $ 676.00
$ 676.00
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 %
$ 169.00
$ 169.00 - $ 169.00
$ 169.00
$ 136.00
$ 136.00 - $ 136.00
$ 136.00

Foster FSS316-FS2404-04-04, Stainless Steel 1/4" Male ORFS x 1/4" Male NPTF, 316 Stainless

The Foster FSS316-FS2404-04-04 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 1/4" Male ORFS x 1/4" Male NPTF. Machined ...

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$ 169.00
$ 169.00 - $ 169.00
$ 169.00
$ 136.00
$ 136.00 - $ 136.00
$ 136.00
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 %
$ 423.00
$ 423.00 - $ 423.00
$ 423.00
$ 338.00
$ 338.00 - $ 338.00
$ 338.00

Foster FSS316-FS2403-10-10, Stainless Steel Tube Union, 5/8" ORFS x 5/8" ORFS, 316 Stainless

The Foster FSS316-FS2403-10-10 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Tube Union, 5/8" ORFS x 5/8" ORFS. Machine...

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$ 423.00
$ 423.00 - $ 423.00
$ 423.00
$ 338.00
$ 338.00 - $ 338.00
$ 338.00
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 %
$ 845.00
$ 845.00 - $ 845.00
$ 845.00
$ 676.00
$ 676.00 - $ 676.00
$ 676.00

Foster FSS316-FS2403-16-16, Stainless Steel Tube Union, 1" ORFS x 1" ORFS, 316 Stainless

The Foster FSS316-FS2403-16-16 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Tube Union, 1" ORFS x 1" ORFS. Machined fo...

View full details
$ 845.00
$ 845.00 - $ 845.00
$ 845.00
$ 676.00
$ 676.00 - $ 676.00
$ 676.00
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 %
$ 1,578.00
$ 1,578.00 - $ 1,578.00
$ 1,578.00
$ 1,262.00
$ 1,262.00 - $ 1,262.00
$ 1,262.00

Foster FSS304-FS2650-12-12-12-12, Stainless Steel 3/4" Male ORFSS304- Cross, 304 Stainless

The Foster FSS304-FS2650-12-12-12-12 is a 304 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 3/4" Male ORFSS304- Cross. Machined ...

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$ 1,578.00
$ 1,578.00 - $ 1,578.00
$ 1,578.00
$ 1,262.00
$ 1,262.00 - $ 1,262.00
$ 1,262.00
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 %
$ 226.00
$ 226.00 - $ 226.00
$ 226.00
$ 180.00
$ 180.00 - $ 180.00
$ 180.00

Foster FSS316-FS2403-06-06, Stainless Steel Tube Union, 3/8" ORFS x 3/8" ORFS, 316 Stainless

The Foster FSS316-FS2403-06-06 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Tube Union, 3/8" ORFS x 3/8" ORFS. Machine...

View full details
$ 226.00
$ 226.00 - $ 226.00
$ 226.00
$ 180.00
$ 180.00 - $ 180.00
$ 180.00
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 %
$ 507.00
$ 507.00 - $ 507.00
$ 507.00
$ 405.00
$ 405.00 - $ 405.00
$ 405.00

Foster FSS316-FS2403-12-12, Stainless Steel Tube Union, 3/4" ORFS x 3/4" ORFS, 316 Stainless

The Foster FSS316-FS2403-12-12 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Tube Union, 3/4" ORFS x 3/4" ORFS. Machine...

View full details
$ 507.00
$ 507.00 - $ 507.00
$ 507.00
$ 405.00
$ 405.00 - $ 405.00
$ 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 %
$ 1,240.00
$ 1,240.00 - $ 1,240.00
$ 1,240.00
$ 991.00
$ 991.00 - $ 991.00
$ 991.00

Foster FSS304-FS2603-12-12-12, Stainless Steel Union Tee, 3/4" ORFS x 3/4" ORFS x 3/4" ORFS, 304 Stainless

The Foster FSS304-FS2603-12-12-12 is a 304 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Union Tee, 3/4" ORFS x 3/4" ORFS x 3/4"...

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$ 1,240.00
$ 1,240.00 - $ 1,240.00
$ 1,240.00
$ 991.00
$ 991.00 - $ 991.00
$ 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 %
$ 338.00
$ 338.00 - $ 338.00
$ 338.00
$ 271.00
$ 271.00 - $ 271.00
$ 271.00

Foster FSS316-FS2403-08-08, Stainless Steel Tube Union, 1/2" ORFS x 1/2" ORFS, 316 Stainless

The Foster FSS316-FS2403-08-08 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Tube Union, 1/2" ORFS x 1/2" ORFS. Machine...

View full details
$ 338.00
$ 338.00 - $ 338.00
$ 338.00
$ 271.00
$ 271.00 - $ 271.00
$ 271.00
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 %
$ 169.00
$ 169.00 - $ 169.00
$ 169.00
$ 136.00
$ 136.00 - $ 136.00
$ 136.00

Foster FSS316-FS2403-04-04, Stainless Steel Tube Union, 1/4" ORFS x 1/4" ORFS, 316 Stainless

The Foster FSS316-FS2403-04-04 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Tube Union, 1/4" ORFS x 1/4" ORFS. Machine...

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$ 169.00
$ 169.00 - $ 169.00
$ 169.00
$ 136.00
$ 136.00 - $ 136.00
$ 136.00
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 %
$ 1,014.00
$ 1,014.00 - $ 1,014.00
$ 1,014.00
$ 812.00
$ 812.00 - $ 812.00
$ 812.00

Foster FSS304-FS2603-10-10-10, Stainless Steel Union Tee, 5/8" ORFS x 5/8" ORFS x 5/8" ORFS, 304 Stainless

The Foster FSS304-FS2603-10-10-10 is a 304 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Union Tee, 5/8" ORFS x 5/8" ORFS x 5/8"...

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$ 1,014.00
$ 1,014.00 - $ 1,014.00
$ 1,014.00
$ 812.00
$ 812.00 - $ 812.00
$ 812.00
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 %
$ 1,915.00
$ 1,915.00 - $ 1,915.00
$ 1,915.00
$ 1,532.00
$ 1,532.00 - $ 1,532.00
$ 1,532.00

Foster FSS304-FS2603-16-16-16, Stainless Steel Union Tee, 1" ORFS x 1" ORFS x 1" ORFS, 304 Stainless

The Foster FSS304-FS2603-16-16-16 is a 304 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Union Tee, 1" ORFS x 1" ORFS x 1" ORFS....

View full details
$ 1,915.00
$ 1,915.00 - $ 1,915.00
$ 1,915.00
$ 1,532.00
$ 1,532.00 - $ 1,532.00
$ 1,532.00
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 %
$ 474.00
$ 474.00 - $ 474.00
$ 474.00
$ 379.00
$ 379.00 - $ 379.00
$ 379.00

Foster FSS304-FS2603-04-04-04, Stainless Steel Union Tee, 1/4" ORFS x 1/4" ORFS x 1/4" ORFS, 304 Stainless

The Foster FSS304-FS2603-04-04-04 is a 304 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
$ 474.00
$ 474.00 - $ 474.00
$ 474.00
$ 379.00
$ 379.00 - $ 379.00
$ 379.00
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 %
$ 789.00
$ 789.00 - $ 789.00
$ 789.00
$ 632.00
$ 632.00 - $ 632.00
$ 632.00

Foster FSS304-FS2603-08-08-08, Stainless Steel Union Tee, 1/2" ORFS x 1/2" ORFS x 1/2" ORFS, 304 Stainless

The Foster FSS304-FS2603-08-08-08 is a 304 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
$ 789.00
$ 789.00 - $ 789.00
$ 789.00
$ 632.00
$ 632.00 - $ 632.00
$ 632.00
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 %
$ 564.00
$ 564.00 - $ 564.00
$ 564.00
$ 451.00
$ 451.00 - $ 451.00
$ 451.00

Foster FSS304-FS2603-06-06-06, Stainless Steel Union Tee, 3/8" ORFS x 3/8" ORFS x 3/8" ORFS, 304 Stainless

The Foster FSS304-FS2603-06-06-06 is a 304 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
$ 564.00
$ 564.00 - $ 564.00
$ 564.00
$ 451.00
$ 451.00 - $ 451.00
$ 451.00
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 %
$ 474.00
$ 474.00 - $ 474.00
$ 474.00
$ 379.00
$ 379.00 - $ 379.00
$ 379.00

Foster FSS304-FS2500-08-08, Stainless Steel 90° Union Elbow, 1/2" ORFS x 1/2" ORFS, 304 Stainless

The Foster FSS304-FS2500-08-08 is a 304 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 90° Union Elbow, 1/2" ORFS x 1/2" ORFS. Ma...

View full details
$ 474.00
$ 474.00 - $ 474.00
$ 474.00
$ 379.00
$ 379.00 - $ 379.00
$ 379.00
Save 20% Save %

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