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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 %
$ 1,353.00
$ 1,353.00 - $ 1,353.00
$ 1,353.00
$ 1,082.00
$ 1,082.00 - $ 1,082.00
$ 1,082.00

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...

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$ 1,353.00
$ 1,353.00 - $ 1,353.00
$ 1,353.00
$ 1,082.00
$ 1,082.00 - $ 1,082.00
$ 1,082.00
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 %
$ 633.00
$ 633.00 - $ 633.00
$ 633.00
$ 506.00
$ 506.00 - $ 506.00
$ 506.00

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...

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$ 633.00
$ 633.00 - $ 633.00
$ 633.00
$ 506.00
$ 506.00 - $ 506.00
$ 506.00
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 %
$ 384.00
$ 384.00 - $ 384.00
$ 384.00
$ 307.00
$ 307.00 - $ 307.00
$ 307.00

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...

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$ 384.00
$ 384.00 - $ 384.00
$ 384.00
$ 307.00
$ 307.00 - $ 307.00
$ 307.00
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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 %
$ 856.00
$ 856.00 - $ 856.00
$ 856.00
$ 686.00
$ 686.00 - $ 686.00
$ 686.00

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...

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$ 856.00
$ 856.00 - $ 856.00
$ 856.00
$ 686.00
$ 686.00 - $ 686.00
$ 686.00
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 %
$ 272.00
$ 272.00 - $ 272.00
$ 272.00
$ 217.00
$ 217.00 - $ 217.00
$ 217.00

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 ...

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$ 272.00
$ 272.00 - $ 272.00
$ 272.00
$ 217.00
$ 217.00 - $ 217.00
$ 217.00
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 %
$ 339.00
$ 339.00 - $ 339.00
$ 339.00
$ 272.00
$ 272.00 - $ 272.00
$ 272.00

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...

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$ 339.00
$ 339.00 - $ 339.00
$ 339.00
$ 272.00
$ 272.00 - $ 272.00
$ 272.00
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 %
$ 407.00
$ 407.00 - $ 407.00
$ 407.00
$ 326.00
$ 326.00 - $ 326.00
$ 326.00

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 ...

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$ 407.00
$ 407.00 - $ 407.00
$ 407.00
$ 326.00
$ 326.00 - $ 326.00
$ 326.00
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 %
$ 180.00
$ 180.00 - $ 180.00
$ 180.00
$ 145.00
$ 145.00 - $ 145.00
$ 145.00

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 ...

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$ 180.00
$ 180.00 - $ 180.00
$ 180.00
$ 145.00
$ 145.00 - $ 145.00
$ 145.00
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 %
$ 677.00
$ 677.00 - $ 677.00
$ 677.00
$ 541.00
$ 541.00 - $ 541.00
$ 541.00

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 ...

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$ 677.00
$ 677.00 - $ 677.00
$ 677.00
$ 541.00
$ 541.00 - $ 541.00
$ 541.00
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 %
$ 407.00
$ 407.00 - $ 407.00
$ 407.00
$ 326.00
$ 326.00 - $ 326.00
$ 326.00

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...

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$ 407.00
$ 407.00 - $ 407.00
$ 407.00
$ 326.00
$ 326.00 - $ 326.00
$ 326.00
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 %
$ 677.00
$ 677.00 - $ 677.00
$ 677.00
$ 541.00
$ 541.00 - $ 541.00
$ 541.00

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
$ 677.00
$ 677.00 - $ 677.00
$ 677.00
$ 541.00
$ 541.00 - $ 541.00
$ 541.00
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 %
$ 272.00
$ 272.00 - $ 272.00
$ 272.00
$ 217.00
$ 217.00 - $ 217.00
$ 217.00

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
$ 272.00
$ 272.00 - $ 272.00
$ 272.00
$ 217.00
$ 217.00 - $ 217.00
$ 217.00
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 %
$ 136.00
$ 136.00 - $ 136.00
$ 136.00
$ 108.00
$ 108.00 - $ 108.00
$ 108.00

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 ...

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$ 136.00
$ 136.00 - $ 136.00
$ 136.00
$ 108.00
$ 108.00 - $ 108.00
$ 108.00
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 %
$ 723.00
$ 723.00 - $ 723.00
$ 723.00
$ 578.00
$ 578.00 - $ 578.00
$ 578.00

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...

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$ 723.00
$ 723.00 - $ 723.00
$ 723.00
$ 578.00
$ 578.00 - $ 578.00
$ 578.00
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 %
$ 339.00
$ 339.00 - $ 339.00
$ 339.00
$ 272.00
$ 272.00 - $ 272.00
$ 272.00

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
$ 339.00
$ 339.00 - $ 339.00
$ 339.00
$ 272.00
$ 272.00 - $ 272.00
$ 272.00
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 %
$ 361.00
$ 361.00 - $ 361.00
$ 361.00
$ 289.00
$ 289.00 - $ 289.00
$ 289.00

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...

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$ 361.00
$ 361.00 - $ 361.00
$ 361.00
$ 289.00
$ 289.00 - $ 289.00
$ 289.00
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 %
$ 180.00
$ 180.00 - $ 180.00
$ 180.00
$ 145.00
$ 145.00 - $ 145.00
$ 145.00

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
$ 180.00
$ 180.00 - $ 180.00
$ 180.00
$ 145.00
$ 145.00 - $ 145.00
$ 145.00
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 %
$ 136.00
$ 136.00 - $ 136.00
$ 136.00
$ 108.00
$ 108.00 - $ 108.00
$ 108.00

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
$ 136.00
$ 136.00 - $ 136.00
$ 136.00
$ 108.00
$ 108.00 - $ 108.00
$ 108.00
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 %
$ 428.00
$ 428.00 - $ 428.00
$ 428.00
$ 344.00
$ 344.00 - $ 344.00
$ 344.00

Foster FSS316-6425-12-12, 3/4" ORB Female x 3/4" ORB Female, 316 Stainless

The Foster FSS316-6425-12-12 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/4" ORB Female x 3/4" ORB Female. Machined for leak-tight flu...

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$ 428.00
$ 428.00 - $ 428.00
$ 428.00
$ 344.00
$ 344.00 - $ 344.00
$ 344.00
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 %
$ 1,466.00
$ 1,466.00 - $ 1,466.00
$ 1,466.00
$ 1,172.00
$ 1,172.00 - $ 1,172.00
$ 1,172.00

Foster FSS316-6410-16-24, 1" ORB (1 5/16"-12 thread) Male x 1 1/2" ORB (1-7/8"-12 thread) Female, 316 Stainless

The Foster FSS316-6410-16-24 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1" ORB (1 5/16"-12 thread) Male x 1 1/2" ORB (1-7/8"-12 thread...

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$ 1,466.00
$ 1,466.00 - $ 1,466.00
$ 1,466.00
$ 1,172.00
$ 1,172.00 - $ 1,172.00
$ 1,172.00
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 %
$ 203.00
$ 203.00 - $ 203.00
$ 203.00
$ 162.00
$ 162.00 - $ 162.00
$ 162.00

Foster FSS316-6425-04-04, 1/4" ORB Female x 1/4" ORB Female, 316 Stainless

The Foster FSS316-6425-04-04 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/4" ORB Female x 1/4" ORB Female. Machined for leak-tight flu...

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$ 203.00
$ 203.00 - $ 203.00
$ 203.00
$ 162.00
$ 162.00 - $ 162.00
$ 162.00
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 %
$ 293.00
$ 293.00 - $ 293.00
$ 293.00
$ 235.00
$ 235.00 - $ 235.00
$ 235.00

Foster FSS316-6425-08-08, 1/2" ORB Female x 1/2" ORB Female, 316 Stainless

The Foster FSS316-6425-08-08 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/2" ORB Female x 1/2" ORB Female. Machined for leak-tight flu...

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$ 293.00
$ 293.00 - $ 293.00
$ 293.00
$ 235.00
$ 235.00 - $ 235.00
$ 235.00
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 %
$ 2,704.00
$ 2,704.00 - $ 2,704.00
$ 2,704.00
$ 2,164.00
$ 2,164.00 - $ 2,164.00
$ 2,164.00

Foster FSS316-6410-16-32, 1" ORB (1 5/16"-12 thread) Male x 2" ORB (2 1/2"-12 thread) Female, 316 Stainless

The Foster FSS316-6410-16-32 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1" ORB (1 5/16"-12 thread) Male x 2" ORB (2 1/2"-12 thread) Fe...

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$ 2,704.00
$ 2,704.00 - $ 2,704.00
$ 2,704.00
$ 2,164.00
$ 2,164.00 - $ 2,164.00
$ 2,164.00
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 %
$ 856.00
$ 856.00 - $ 856.00
$ 856.00
$ 686.00
$ 686.00 - $ 686.00
$ 686.00

Foster FSS316-6410-16-20, 1" ORB (1 5/16"-12 thread) Male x 1 1/4" ORB (1-5/8"-12 thread) Female, 316 Stainless

The Foster FSS316-6410-16-20 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1" ORB (1 5/16"-12 thread) Male x 1 1/4" ORB (1-5/8"-12 thread...

View full details
$ 856.00
$ 856.00 - $ 856.00
$ 856.00
$ 686.00
$ 686.00 - $ 686.00
$ 686.00
Save 20% Save %

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