Skip to content

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 %
$ 993.00
$ 993.00 - $ 993.00
$ 993.00
$ 795.00
$ 795.00 - $ 795.00
$ 795.00

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"...

View full details
$ 993.00
$ 993.00 - $ 993.00
$ 993.00
$ 795.00
$ 795.00 - $ 795.00
$ 795.00
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 %
$ 1,875.00
$ 1,875.00 - $ 1,875.00
$ 1,875.00
$ 1,499.00
$ 1,499.00 - $ 1,499.00
$ 1,499.00

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
$ 1,875.00
$ 1,875.00 - $ 1,875.00
$ 1,875.00
$ 1,499.00
$ 1,499.00 - $ 1,499.00
$ 1,499.00
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 %
$ 464.00
$ 464.00 - $ 464.00
$ 464.00
$ 371.00
$ 371.00 - $ 371.00
$ 371.00

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
$ 464.00
$ 464.00 - $ 464.00
$ 464.00
$ 371.00
$ 371.00 - $ 371.00
$ 371.00
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 %
$ 772.00
$ 772.00 - $ 772.00
$ 772.00
$ 619.00
$ 619.00 - $ 619.00
$ 619.00

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
$ 772.00
$ 772.00 - $ 772.00
$ 772.00
$ 619.00
$ 619.00 - $ 619.00
$ 619.00
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 %
$ 552.00
$ 552.00 - $ 552.00
$ 552.00
$ 441.00
$ 441.00 - $ 441.00
$ 441.00

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
$ 552.00
$ 552.00 - $ 552.00
$ 552.00
$ 441.00
$ 441.00 - $ 441.00
$ 441.00
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 %
$ 464.00
$ 464.00 - $ 464.00
$ 464.00
$ 371.00
$ 371.00 - $ 371.00
$ 371.00

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
$ 464.00
$ 464.00 - $ 464.00
$ 464.00
$ 371.00
$ 371.00 - $ 371.00
$ 371.00
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 %
$ 1,323.00
$ 1,323.00 - $ 1,323.00
$ 1,323.00
$ 1,058.00
$ 1,058.00 - $ 1,058.00
$ 1,058.00

Foster FSS304-FS2500-16-16, Stainless Steel 90° Union Elbow, 1" ORFS x 1" ORFS, 304 Stainless

The Foster FSS304-FS2500-16-16 is a 304 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 90° Union Elbow, 1" ORFS x 1" ORFS. Machin...

View full details
$ 1,323.00
$ 1,323.00 - $ 1,323.00
$ 1,323.00
$ 1,058.00
$ 1,058.00 - $ 1,058.00
$ 1,058.00
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 %
$ 619.00
$ 619.00 - $ 619.00
$ 619.00
$ 495.00
$ 495.00 - $ 495.00
$ 495.00

Foster FSS304-FS2500-10-10, Stainless Steel 90° Union Elbow, 5/8" ORFS x 5/8" ORFS, 304 Stainless

The Foster FSS304-FS2500-10-10 is a 304 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 90° Union Elbow, 5/8" ORFS x 5/8" ORFS. Ma...

View full details
$ 619.00
$ 619.00 - $ 619.00
$ 619.00
$ 495.00
$ 495.00 - $ 495.00
$ 495.00
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 %
$ 376.00
$ 376.00 - $ 376.00
$ 376.00
$ 300.00
$ 300.00 - $ 300.00
$ 300.00

Foster FSS304-FS2500-06-06, Stainless Steel 90° Union Elbow, 3/8" ORFS x 3/8" ORFS, 304 Stainless

The Foster FSS304-FS2500-06-06 is a 304 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 90° Union Elbow, 3/8" ORFS x 3/8" ORFS. Ma...

View full details
$ 376.00
$ 376.00 - $ 376.00
$ 376.00
$ 300.00
$ 300.00 - $ 300.00
$ 300.00
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 %
$ 838.00
$ 838.00 - $ 838.00
$ 838.00
$ 670.00
$ 670.00 - $ 670.00
$ 670.00

Foster FSS304-FS2500-12-12, Stainless Steel 90° Union Elbow, 3/4" ORFS x 3/4" ORFS, 304 Stainless

The Foster FSS304-FS2500-12-12 is a 304 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 90° Union Elbow, 3/4" ORFS x 3/4" ORFS. Ma...

View full details
$ 838.00
$ 838.00 - $ 838.00
$ 838.00
$ 670.00
$ 670.00 - $ 670.00
$ 670.00
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 %
$ 266.00
$ 266.00 - $ 266.00
$ 266.00
$ 212.00
$ 212.00 - $ 212.00
$ 212.00

Foster FSS304-FS2404-06-08, Stainless Steel 3/8" Male ORFS x 1/2" Male NPTF, 304 Stainless

The Foster FSS304-FS2404-06-08 is a 304 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 3/8" Male ORFS x 1/2" Male NPTF. Machined ...

View full details
$ 266.00
$ 266.00 - $ 266.00
$ 266.00
$ 212.00
$ 212.00 - $ 212.00
$ 212.00
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 %
$ 331.00
$ 331.00 - $ 331.00
$ 331.00
$ 266.00
$ 266.00 - $ 266.00
$ 266.00

Foster FSS304-FS2500-04-04, Stainless Steel 90° Union Elbow, 1/4" ORFS x 1/4" ORFS, 304 Stainless

The Foster FSS304-FS2500-04-04 is a 304 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 90° Union Elbow, 1/4" ORFS x 1/4" ORFS. Ma...

View full details
$ 331.00
$ 331.00 - $ 331.00
$ 331.00
$ 266.00
$ 266.00 - $ 266.00
$ 266.00
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 %
$ 398.00
$ 398.00 - $ 398.00
$ 398.00
$ 319.00
$ 319.00 - $ 319.00
$ 319.00

Foster FSS304-FS2404-12-12, Stainless Steel 3/4" Male ORFS x 3/4" Male NPTF, 304 Stainless

The Foster FSS304-FS2404-12-12 is a 304 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 3/4" Male ORFS x 3/4" Male NPTF. Machined ...

View full details
$ 398.00
$ 398.00 - $ 398.00
$ 398.00
$ 319.00
$ 319.00 - $ 319.00
$ 319.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 19% Save %
$ 176.00
$ 176.00 - $ 176.00
$ 176.00
$ 142.00
$ 142.00 - $ 142.00
$ 142.00

Foster FSS304-FS2404-06-06, Stainless Steel 3/8" Male ORFS x 3/8" Male NPTF, 304 Stainless

The Foster FSS304-FS2404-06-06 is a 304 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 3/8" Male ORFS x 3/8" Male NPTF. Machined ...

View full details
$ 176.00
$ 176.00 - $ 176.00
$ 176.00
$ 142.00
$ 142.00 - $ 142.00
$ 142.00
Save 19% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 662.00
$ 662.00 - $ 662.00
$ 662.00
$ 529.00
$ 529.00 - $ 529.00
$ 529.00

Foster FSS304-FS2404-16-16, Stainless Steel 1" Male ORFS x 1" Male NPTF, 304 Stainless

The Foster FSS304-FS2404-16-16 is a 304 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 1" Male ORFS x 1" Male NPTF. Machined for ...

View full details
$ 662.00
$ 662.00 - $ 662.00
$ 662.00
$ 529.00
$ 529.00 - $ 529.00
$ 529.00
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 %
$ 398.00
$ 398.00 - $ 398.00
$ 398.00
$ 319.00
$ 319.00 - $ 319.00
$ 319.00

Foster FSS304-FS2403-12-12, Stainless Steel Tube Union, 3/4" ORFS x 3/4" ORFS, 304 Stainless

The Foster FSS304-FS2403-12-12 is a 304 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Tube Union, 3/4" ORFS x 3/4" ORFS. Machine...

View full details
$ 398.00
$ 398.00 - $ 398.00
$ 398.00
$ 319.00
$ 319.00 - $ 319.00
$ 319.00
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 %
$ 662.00
$ 662.00 - $ 662.00
$ 662.00
$ 529.00
$ 529.00 - $ 529.00
$ 529.00

Foster FSS304-FS2403-16-16, Stainless Steel Tube Union, 1" ORFS x 1" ORFS, 304 Stainless

The Foster FSS304-FS2403-16-16 is a 304 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Tube Union, 1" ORFS x 1" ORFS. Machined fo...

View full details
$ 662.00
$ 662.00 - $ 662.00
$ 662.00
$ 529.00
$ 529.00 - $ 529.00
$ 529.00
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 %
$ 266.00
$ 266.00 - $ 266.00
$ 266.00
$ 212.00
$ 212.00 - $ 212.00
$ 212.00

Foster FSS304-FS2403-08-08, Stainless Steel Tube Union, 1/2" ORFS x 1/2" ORFS, 304 Stainless

The Foster FSS304-FS2403-08-08 is a 304 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Tube Union, 1/2" ORFS x 1/2" ORFS. Machine...

View full details
$ 266.00
$ 266.00 - $ 266.00
$ 266.00
$ 212.00
$ 212.00 - $ 212.00
$ 212.00
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 %
$ 133.00
$ 133.00 - $ 133.00
$ 133.00
$ 105.00
$ 105.00 - $ 105.00
$ 105.00

Foster FSS304-FS2404-04-04, Stainless Steel 1/4" Male ORFS x 1/4" Male NPTF, 304 Stainless

The Foster FSS304-FS2404-04-04 is a 304 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 1/4" Male ORFS x 1/4" Male NPTF. Machined ...

View full details
$ 133.00
$ 133.00 - $ 133.00
$ 133.00
$ 105.00
$ 105.00 - $ 105.00
$ 105.00
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 %
$ 707.00
$ 707.00 - $ 707.00
$ 707.00
$ 565.00
$ 565.00 - $ 565.00
$ 565.00

Foster FSS316-6425-16-16, 1" ORB Female x 1" ORB Female, 316 Stainless

The Foster FSS316-6425-16-16 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1" ORB Female x 1" ORB Female. Machined for leak-tight fluid-p...

View full details
$ 707.00
$ 707.00 - $ 707.00
$ 707.00
$ 565.00
$ 565.00 - $ 565.00
$ 565.00
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 %
$ 331.00
$ 331.00 - $ 331.00
$ 331.00
$ 266.00
$ 266.00 - $ 266.00
$ 266.00

Foster FSS304-FS2403-10-10, Stainless Steel Tube Union, 5/8" ORFS x 5/8" ORFS, 304 Stainless

The Foster FSS304-FS2403-10-10 is a 304 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Tube Union, 5/8" ORFS x 5/8" ORFS. Machine...

View full details
$ 331.00
$ 331.00 - $ 331.00
$ 331.00
$ 266.00
$ 266.00 - $ 266.00
$ 266.00
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 %
$ 353.00
$ 353.00 - $ 353.00
$ 353.00
$ 283.00
$ 283.00 - $ 283.00
$ 283.00

Foster FSS316-6425-10-10, 5/8" ORB Female x 5/8" ORB Female, 316 Stainless

The Foster FSS316-6425-10-10 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 5/8" ORB Female x 5/8" ORB Female. Machined for leak-tight flu...

View full details
$ 353.00
$ 353.00 - $ 353.00
$ 353.00
$ 283.00
$ 283.00 - $ 283.00
$ 283.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 19% Save %
$ 176.00
$ 176.00 - $ 176.00
$ 176.00
$ 142.00
$ 142.00 - $ 142.00
$ 142.00

Foster FSS304-FS2403-06-06, Stainless Steel Tube Union, 3/8" ORFS x 3/8" ORFS, 304 Stainless

The Foster FSS304-FS2403-06-06 is a 304 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Tube Union, 3/8" ORFS x 3/8" ORFS. Machine...

View full details
$ 176.00
$ 176.00 - $ 176.00
$ 176.00
$ 142.00
$ 142.00 - $ 142.00
$ 142.00
Save 19% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 21% Save %
$ 133.00
$ 133.00 - $ 133.00
$ 133.00
$ 105.00
$ 105.00 - $ 105.00
$ 105.00

Foster FSS304-FS2403-04-04, Stainless Steel Tube Union, 1/4" ORFS x 1/4" ORFS, 304 Stainless

The Foster FSS304-FS2403-04-04 is a 304 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Tube Union, 1/4" ORFS x 1/4" ORFS. Machine...

View full details
$ 133.00
$ 133.00 - $ 133.00
$ 133.00
$ 105.00
$ 105.00 - $ 105.00
$ 105.00
Save 21% Save %

Request a Quote

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