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 %
$ 767.69
$ 767.69 - $ 767.69
$ 767.69
$ 614.19
$ 614.19 - $ 614.19
$ 614.19

Foster FF16S-12SS, 5/8" Flat Face Hydraulic Coupler x 3/4" Female NPT, FF Plus Series, 316 Stainless Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF16S-12SS is a 316 stainless steel 5/8" coupler fr...

View full details
$ 767.69
$ 767.69 - $ 767.69
$ 767.69
$ 614.19
$ 614.19 - $ 614.19
$ 614.19
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 %
$ 112.49
$ 112.49 - $ 112.49
$ 112.49
$ 89.99
$ 89.99 - $ 89.99
$ 89.99

Foster FF16S-12, 5/8" Flat Face Hydraulic Coupler x 3/4" Female NPT, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF16S-12 is a nickel-plated steel 5/8" coupler from...

View full details
$ 112.49
$ 112.49 - $ 112.49
$ 112.49
$ 89.99
$ 89.99 - $ 89.99
$ 89.99
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 %
$ 535.39
$ 535.39 - $ 535.39
$ 535.39
$ 428.39
$ 428.39 - $ 428.39
$ 428.39

Foster FF16P-12SS, 5/8" Flat Face Hydraulic Plug x 3/4" Female NPT, FF Plus Series, 316 Stainless Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF16P-12SS is a 316 stainless steel 5/8" plug from ...

View full details
$ 535.39
$ 535.39 - $ 535.39
$ 535.39
$ 428.39
$ 428.39 - $ 428.39
$ 428.39
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 %
$ 96.79
$ 96.79 - $ 96.79
$ 96.79
$ 77.49
$ 77.49 - $ 77.49
$ 77.49

Foster FF12S-87ORB, 1/2" Flat Face Hydraulic Coupler x 7/8"-14 ORB, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12S-87ORB is a nickel-plated steel 1/2" coupler f...

View full details
$ 96.79
$ 96.79 - $ 96.79
$ 96.79
$ 77.49
$ 77.49 - $ 77.49
$ 77.49
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 %
$ 47.09
$ 47.09 - $ 47.09
$ 47.09
$ 37.69
$ 37.69 - $ 37.69
$ 37.69

Foster FF16P-12, 5/8" Flat Face Hydraulic Plug x 3/4" Female NPT, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF16P-12 is a nickel-plated steel 5/8" plug from th...

View full details
$ 47.09
$ 47.09 - $ 47.09
$ 47.09
$ 37.69
$ 37.69 - $ 37.69
$ 37.69
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 %
$ 96.79
$ 96.79 - $ 96.79
$ 96.79
$ 77.49
$ 77.49 - $ 77.49
$ 77.49

Foster FF12S-75ORB, 1/2" Flat Face Hydraulic Coupler x 3/4"-16 ORB, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12S-75ORB is a nickel-plated steel 1/2" coupler f...

View full details
$ 96.79
$ 96.79 - $ 96.79
$ 96.79
$ 77.49
$ 77.49 - $ 77.49
$ 77.49
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 %
$ 640.39
$ 640.39 - $ 640.39
$ 640.39
$ 512.39
$ 512.39 - $ 512.39
$ 512.39

Foster FF12S-12SS, 1/2" Flat Face Hydraulic Coupler x 3/4" Female NPT, FF Plus Series, 316 Stainless Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12S-12SS is a 316 stainless steel 1/2" coupler fr...

View full details
$ 640.39
$ 640.39 - $ 640.39
$ 640.39
$ 512.39
$ 512.39 - $ 512.39
$ 512.39
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 %
$ 99.19
$ 99.19 - $ 99.19
$ 99.19
$ 79.39
$ 79.39 - $ 79.39
$ 79.39

Foster FF12S-12, 1/2" Flat Face Hydraulic Coupler x 3/4" Female NPT, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12S-12 is a nickel-plated steel 1/2" coupler from...

View full details
$ 99.19
$ 99.19 - $ 99.19
$ 99.19
$ 79.39
$ 79.39 - $ 79.39
$ 79.39
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 %
$ 103.89
$ 103.89 - $ 103.89
$ 103.89
$ 83.19
$ 83.19 - $ 83.19
$ 83.19

Foster FF12S-106ORB, 1/2" Flat Face Hydraulic Coupler x 1-1/16"-12 ORB, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12S-106ORB is a nickel-plated steel 1/2" coupler ...

View full details
$ 103.89
$ 103.89 - $ 103.89
$ 103.89
$ 83.19
$ 83.19 - $ 83.19
$ 83.19
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 %
$ 574.79
$ 574.79 - $ 574.79
$ 574.79
$ 459.79
$ 459.79 - $ 459.79
$ 459.79

Foster FF12S-08SS, 1/2" Flat Face Hydraulic Coupler x 1/2" Female NPT, FF Plus Series, 316 Stainless Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12S-08SS is a 316 stainless steel 1/2" coupler fr...

View full details
$ 574.79
$ 574.79 - $ 574.79
$ 574.79
$ 459.79
$ 459.79 - $ 459.79
$ 459.79
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 %
$ 78.29
$ 78.29 - $ 78.29
$ 78.29
$ 62.59
$ 62.59 - $ 62.59
$ 62.59

Foster FF12S-08, 1/2" Flat Face Hydraulic Coupler x 1/2" Female NPT, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12S-08 is a nickel-plated steel 1/2" coupler from...

View full details
$ 78.29
$ 78.29 - $ 78.29
$ 78.29
$ 62.59
$ 62.59 - $ 62.59
$ 62.59
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 %
$ 48.09
$ 48.09 - $ 48.09
$ 48.09
$ 38.49
$ 38.49 - $ 38.49
$ 38.49

Foster FF12P-87ORB, 1/2" Flat Face Hydraulic Plug x 7/8"-14 ORB, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12P-87ORB is a nickel-plated steel 1/2" plug from...

View full details
$ 48.09
$ 48.09 - $ 48.09
$ 48.09
$ 38.49
$ 38.49 - $ 38.49
$ 38.49
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 %
$ 42.69
$ 42.69 - $ 42.69
$ 42.69
$ 34.19
$ 34.19 - $ 34.19
$ 34.19

Foster FF12P-75ORB, 1/2" Flat Face Hydraulic Plug x 3/4"-16 ORB, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12P-75ORB is a nickel-plated steel 1/2" plug from...

View full details
$ 42.69
$ 42.69 - $ 42.69
$ 42.69
$ 34.19
$ 34.19 - $ 34.19
$ 34.19
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 %
$ 511.79
$ 511.79 - $ 511.79
$ 511.79
$ 409.49
$ 409.49 - $ 409.49
$ 409.49

Foster FF12P-12SS, 1/2" Flat Face Hydraulic Plug x 3/4" Female NPT, FF Plus Series, 316 Stainless Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12P-12SS is a 316 stainless steel 1/2" plug from ...

View full details
$ 511.79
$ 511.79 - $ 511.79
$ 511.79
$ 409.49
$ 409.49 - $ 409.49
$ 409.49
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 %
$ 47.99
$ 47.99 - $ 47.99
$ 47.99
$ 38.39
$ 38.39 - $ 38.39
$ 38.39

Foster FF12P-12, 1/2" Flat Face Hydraulic Plug x 3/4" Female NPT, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12P-12 is a nickel-plated steel 1/2" plug from th...

View full details
$ 47.99
$ 47.99 - $ 47.99
$ 47.99
$ 38.39
$ 38.39 - $ 38.39
$ 38.39
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 %
$ 50.39
$ 50.39 - $ 50.39
$ 50.39
$ 40.29
$ 40.29 - $ 40.29
$ 40.29

Foster FF12P-106ORB, 1/2" Flat Face Hydraulic Plug x 1-1/16"-12 ORB, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12P-106ORB is a nickel-plated steel 1/2" plug fro...

View full details
$ 50.39
$ 50.39 - $ 50.39
$ 50.39
$ 40.29
$ 40.29 - $ 40.29
$ 40.29
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 %
$ 42.29
$ 42.29 - $ 42.29
$ 42.29
$ 33.89
$ 33.89 - $ 33.89
$ 33.89

Foster FF12P-08, 1/2" Flat Face Hydraulic Plug x 1/2" Female NPT, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12P-08 is a nickel-plated steel 1/2" plug from th...

View full details
$ 42.29
$ 42.29 - $ 42.29
$ 42.29
$ 33.89
$ 33.89 - $ 33.89
$ 33.89
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 %
$ 144.09
$ 144.09 - $ 144.09
$ 144.09
$ 115.29
$ 115.29 - $ 115.29
$ 115.29

Foster FF12CUPP-12, 1/2" Flat Face Connect-Under-Pressure Hydraulic Plug x 3/4" Female NPT, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12CUPP-12 is a nickel-plated steel 1/2" plug from...

View full details
$ 144.09
$ 144.09 - $ 144.09
$ 144.09
$ 115.29
$ 115.29 - $ 115.29
$ 115.29
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 %
$ 144.09
$ 144.09 - $ 144.09
$ 144.09
$ 115.29
$ 115.29 - $ 115.29
$ 115.29

Foster FF12CUPP-08, 1/2" Flat Face Connect-Under-Pressure Hydraulic Plug x 1/2" Female NPT, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12CUPP-08 is a nickel-plated steel 1/2" plug from...

View full details
$ 144.09
$ 144.09 - $ 144.09
$ 144.09
$ 115.29
$ 115.29 - $ 115.29
$ 115.29
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 %
$ 73.29
$ 73.29 - $ 73.29
$ 73.29
$ 58.59
$ 58.59 - $ 58.59
$ 58.59

Foster FF10S-75ORB, 3/8" Flat Face Hydraulic Coupler x 3/4"-16 ORB, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF10S-75ORB is a nickel-plated steel 3/8" coupler f...

View full details
$ 73.29
$ 73.29 - $ 73.29
$ 73.29
$ 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 %
$ 492.09
$ 492.09 - $ 492.09
$ 492.09
$ 393.69
$ 393.69 - $ 393.69
$ 393.69

Foster FF10S-08SS, 3/8" Flat Face Hydraulic Coupler x 1/2" Female NPT, FF Plus Series, 316 Stainless Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF10S-08SS is a 316 stainless steel 3/8" coupler fr...

View full details
$ 492.09
$ 492.09 - $ 492.09
$ 492.09
$ 393.69
$ 393.69 - $ 393.69
$ 393.69
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 %
$ 58.99
$ 58.99 - $ 58.99
$ 58.99
$ 47.19
$ 47.19 - $ 47.19
$ 47.19

Foster FF10S-08, 3/8" Flat Face Hydraulic Coupler x 1/2" Female NPT, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF10S-08 is a nickel-plated steel 3/8" coupler from...

View full details
$ 58.99
$ 58.99 - $ 58.99
$ 58.99
$ 47.19
$ 47.19 - $ 47.19
$ 47.19
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 %
$ 452.79
$ 452.79 - $ 452.79
$ 452.79
$ 362.19
$ 362.19 - $ 362.19
$ 362.19

Foster FF10S-06SS, 3/8" Flat Face Hydraulic Coupler x 3/8" Female NPT, FF Plus Series, 316 Stainless Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF10S-06SS is a 316 stainless steel 3/8" coupler fr...

View full details
$ 452.79
$ 452.79 - $ 452.79
$ 452.79
$ 362.19
$ 362.19 - $ 362.19
$ 362.19
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 %
$ 60.09
$ 60.09 - $ 60.09
$ 60.09
$ 48.09
$ 48.09 - $ 48.09
$ 48.09

Foster FF10S-06, 3/8" Flat Face Hydraulic Coupler x 3/8" Female NPT, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF10S-06 is a nickel-plated steel 3/8" coupler from...

View full details
$ 60.09
$ 60.09 - $ 60.09
$ 60.09
$ 48.09
$ 48.09 - $ 48.09
$ 48.09
Save 20% Save %

Request a Quote

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