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 %
$ 13,524.00
$ 13,524.00 - $ 13,524.00
$ 13,524.00
$ 10,820.00
$ 10,820.00 - $ 10,820.00
$ 10,820.00

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
$ 13,524.00
$ 13,524.00 - $ 13,524.00
$ 13,524.00
$ 10,820.00
$ 10,820.00 - $ 10,820.00
$ 10,820.00
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 %
$ 1,982.00
$ 1,982.00 - $ 1,982.00
$ 1,982.00
$ 1,586.00
$ 1,586.00 - $ 1,586.00
$ 1,586.00

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
$ 1,982.00
$ 1,982.00 - $ 1,982.00
$ 1,982.00
$ 1,586.00
$ 1,586.00 - $ 1,586.00
$ 1,586.00
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 %
$ 9,432.00
$ 9,432.00 - $ 9,432.00
$ 9,432.00
$ 7,547.00
$ 7,547.00 - $ 7,547.00
$ 7,547.00

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
$ 9,432.00
$ 9,432.00 - $ 9,432.00
$ 9,432.00
$ 7,547.00
$ 7,547.00 - $ 7,547.00
$ 7,547.00
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 %
$ 1,706.00
$ 1,706.00 - $ 1,706.00
$ 1,706.00
$ 1,366.00
$ 1,366.00 - $ 1,366.00
$ 1,366.00

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
$ 1,706.00
$ 1,706.00 - $ 1,706.00
$ 1,706.00
$ 1,366.00
$ 1,366.00 - $ 1,366.00
$ 1,366.00
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 %
$ 830.00
$ 830.00 - $ 830.00
$ 830.00
$ 664.00
$ 664.00 - $ 664.00
$ 664.00

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
$ 830.00
$ 830.00 - $ 830.00
$ 830.00
$ 664.00
$ 664.00 - $ 664.00
$ 664.00
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 %
$ 1,706.00
$ 1,706.00 - $ 1,706.00
$ 1,706.00
$ 1,366.00
$ 1,366.00 - $ 1,366.00
$ 1,366.00

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
$ 1,706.00
$ 1,706.00 - $ 1,706.00
$ 1,706.00
$ 1,366.00
$ 1,366.00 - $ 1,366.00
$ 1,366.00
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 %
$ 11,281.00
$ 11,281.00 - $ 11,281.00
$ 11,281.00
$ 9,027.00
$ 9,027.00 - $ 9,027.00
$ 9,027.00

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
$ 11,281.00
$ 11,281.00 - $ 11,281.00
$ 11,281.00
$ 9,027.00
$ 9,027.00 - $ 9,027.00
$ 9,027.00
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 %
$ 1,748.00
$ 1,748.00 - $ 1,748.00
$ 1,748.00
$ 1,399.00
$ 1,399.00 - $ 1,399.00
$ 1,399.00

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
$ 1,748.00
$ 1,748.00 - $ 1,748.00
$ 1,748.00
$ 1,399.00
$ 1,399.00 - $ 1,399.00
$ 1,399.00
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 %
$ 1,831.00
$ 1,831.00 - $ 1,831.00
$ 1,831.00
$ 1,466.00
$ 1,466.00 - $ 1,466.00
$ 1,466.00

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
$ 1,831.00
$ 1,831.00 - $ 1,831.00
$ 1,831.00
$ 1,466.00
$ 1,466.00 - $ 1,466.00
$ 1,466.00
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 %
$ 10,126.00
$ 10,126.00 - $ 10,126.00
$ 10,126.00
$ 8,100.00
$ 8,100.00 - $ 8,100.00
$ 8,100.00

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
$ 10,126.00
$ 10,126.00 - $ 10,126.00
$ 10,126.00
$ 8,100.00
$ 8,100.00 - $ 8,100.00
$ 8,100.00
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 %
$ 1,380.00
$ 1,380.00 - $ 1,380.00
$ 1,380.00
$ 1,103.00
$ 1,103.00 - $ 1,103.00
$ 1,103.00

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
$ 1,380.00
$ 1,380.00 - $ 1,380.00
$ 1,380.00
$ 1,103.00
$ 1,103.00 - $ 1,103.00
$ 1,103.00
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 %
$ 848.00
$ 848.00 - $ 848.00
$ 848.00
$ 679.00
$ 679.00 - $ 679.00
$ 679.00

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
$ 848.00
$ 848.00 - $ 848.00
$ 848.00
$ 679.00
$ 679.00 - $ 679.00
$ 679.00
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 %
$ 753.00
$ 753.00 - $ 753.00
$ 753.00
$ 603.00
$ 603.00 - $ 603.00
$ 603.00

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
$ 753.00
$ 753.00 - $ 753.00
$ 753.00
$ 603.00
$ 603.00 - $ 603.00
$ 603.00
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 %
$ 9,016.00
$ 9,016.00 - $ 9,016.00
$ 9,016.00
$ 7,214.00
$ 7,214.00 - $ 7,214.00
$ 7,214.00

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
$ 9,016.00
$ 9,016.00 - $ 9,016.00
$ 9,016.00
$ 7,214.00
$ 7,214.00 - $ 7,214.00
$ 7,214.00
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 %
$ 846.00
$ 846.00 - $ 846.00
$ 846.00
$ 677.00
$ 677.00 - $ 677.00
$ 677.00

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
$ 846.00
$ 846.00 - $ 846.00
$ 846.00
$ 677.00
$ 677.00 - $ 677.00
$ 677.00
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 %
$ 888.00
$ 888.00 - $ 888.00
$ 888.00
$ 710.00
$ 710.00 - $ 710.00
$ 710.00

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
$ 888.00
$ 888.00 - $ 888.00
$ 888.00
$ 710.00
$ 710.00 - $ 710.00
$ 710.00
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 %
$ 745.00
$ 745.00 - $ 745.00
$ 745.00
$ 597.00
$ 597.00 - $ 597.00
$ 597.00

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
$ 745.00
$ 745.00 - $ 745.00
$ 745.00
$ 597.00
$ 597.00 - $ 597.00
$ 597.00
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 %
$ 2,539.00
$ 2,539.00 - $ 2,539.00
$ 2,539.00
$ 2,031.00
$ 2,031.00 - $ 2,031.00
$ 2,031.00

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
$ 2,539.00
$ 2,539.00 - $ 2,539.00
$ 2,539.00
$ 2,031.00
$ 2,031.00 - $ 2,031.00
$ 2,031.00
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 %
$ 2,539.00
$ 2,539.00 - $ 2,539.00
$ 2,539.00
$ 2,031.00
$ 2,031.00 - $ 2,031.00
$ 2,031.00

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
$ 2,539.00
$ 2,539.00 - $ 2,539.00
$ 2,539.00
$ 2,031.00
$ 2,031.00 - $ 2,031.00
$ 2,031.00
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 %
$ 1,292.00
$ 1,292.00 - $ 1,292.00
$ 1,292.00
$ 1,033.00
$ 1,033.00 - $ 1,033.00
$ 1,033.00

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
$ 1,292.00
$ 1,292.00 - $ 1,292.00
$ 1,292.00
$ 1,033.00
$ 1,033.00 - $ 1,033.00
$ 1,033.00
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 %
$ 8,669.00
$ 8,669.00 - $ 8,669.00
$ 8,669.00
$ 6,936.00
$ 6,936.00 - $ 6,936.00
$ 6,936.00

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
$ 8,669.00
$ 8,669.00 - $ 8,669.00
$ 8,669.00
$ 6,936.00
$ 6,936.00 - $ 6,936.00
$ 6,936.00
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 %
$ 1,040.00
$ 1,040.00 - $ 1,040.00
$ 1,040.00
$ 832.00
$ 832.00 - $ 832.00
$ 832.00

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
$ 1,040.00
$ 1,040.00 - $ 1,040.00
$ 1,040.00
$ 832.00
$ 832.00 - $ 832.00
$ 832.00
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 %
$ 7,977.00
$ 7,977.00 - $ 7,977.00
$ 7,977.00
$ 6,381.00
$ 6,381.00 - $ 6,381.00
$ 6,381.00

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
$ 7,977.00
$ 7,977.00 - $ 7,977.00
$ 7,977.00
$ 6,381.00
$ 6,381.00 - $ 6,381.00
$ 6,381.00
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 %
$ 1,059.00
$ 1,059.00 - $ 1,059.00
$ 1,059.00
$ 848.00
$ 848.00 - $ 848.00
$ 848.00

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
$ 1,059.00
$ 1,059.00 - $ 1,059.00
$ 1,059.00
$ 848.00
$ 848.00 - $ 848.00
$ 848.00
Save 20% Save %

Request a Quote

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