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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 %
$ 249.00
$ 249.00 - $ 249.00
$ 249.00
$ 199.00
$ 199.00 - $ 199.00
$ 199.00

Foster FSS316-6425-06-06, 3/8" ORB Female x 3/8" ORB Female, 316 Stainless

The Foster FSS316-6425-06-06 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/8" ORB Female x 3/8" ORB Female. Machined for leak-tight flu...

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$ 249.00
$ 249.00 - $ 249.00
$ 249.00
$ 199.00
$ 199.00 - $ 199.00
$ 199.00
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 FSS316-6410-12-16, 3/4" ORB (1 1/16"-12 thread) Male x 1" ORB (1 5/16"-12 thread) Female, 316 Stainless

The Foster FSS316-6410-12-16 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/4" ORB (1 1/16"-12 thread) Male x 1" ORB (1 5/16"-12 thread)...

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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 %
$ 633.00
$ 633.00 - $ 633.00
$ 633.00
$ 506.00
$ 506.00 - $ 506.00
$ 506.00

Foster FSS316-6410-16-08, 1" ORB (1 5/16"-12 thread) Male x 1/2" ORB (3/4"-16 thread) Female, 316 Stainless

The Foster FSS316-6410-16-08 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1" ORB (1 5/16"-12 thread) Male x 1/2" ORB (3/4"-16 thread) Fe...

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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 %
$ 633.00
$ 633.00 - $ 633.00
$ 633.00
$ 506.00
$ 506.00 - $ 506.00
$ 506.00

Foster FSS316-6410-16-12, 1" ORB (1 5/16"-12 thread) Male x 3/4" ORB (1 1/16"-12 thread) Female, 316 Stainless

The Foster FSS316-6410-16-12 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1" ORB (1 5/16"-12 thread) Male x 3/4" ORB (1 1/16"-12 thread)...

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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 %
$ 407.00
$ 407.00 - $ 407.00
$ 407.00
$ 326.00
$ 326.00 - $ 326.00
$ 326.00

Foster FSS316-6410-12-08, 3/4" ORB (1 1/16"-12 thread) Male x 1/2" ORB (3/4"-16 thread) Female, 316 Stainless

The Foster FSS316-6410-12-08 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/4" ORB (1 1/16"-12 thread) Male x 1/2" ORB (3/4"-16 thread) ...

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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 %
$ 407.00
$ 407.00 - $ 407.00
$ 407.00
$ 326.00
$ 326.00 - $ 326.00
$ 326.00

Foster FSS316-6410-12-10, 3/4" ORB (1 1/16"-12 thread) Male x 5/8" ORB (7/8"-14 thread) Female, 316 Stainless

The Foster FSS316-6410-12-10 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/4" ORB (1 1/16"-12 thread) Male x 5/8" ORB (7/8"-14 thread) ...

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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 %
$ 407.00
$ 407.00 - $ 407.00
$ 407.00
$ 326.00
$ 326.00 - $ 326.00
$ 326.00

Foster FSS316-6410-12-06, 3/4" ORB (1 1/16"-12 thread) Male x 3/8" ORB (9/16"-18 thread) Female, 316 Stainless

The Foster FSS316-6410-12-06 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/4" ORB (1 1/16"-12 thread) Male x 3/8" ORB (9/16"-18 thread)...

View full details
$ 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 %
$ 293.00
$ 293.00 - $ 293.00
$ 293.00
$ 235.00
$ 235.00 - $ 235.00
$ 235.00

Foster FSS316-6410-10-08, 5/8" ORB (7/8"-14 thread) Male x 1/2" ORB (3/4"-16 thread) Female, 316 Stainless

The Foster FSS316-6410-10-08 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 5/8" ORB (7/8"-14 thread) Male x 1/2" ORB (3/4"-16 thread) Fem...

View full details
$ 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 %
$ 293.00
$ 293.00 - $ 293.00
$ 293.00
$ 235.00
$ 235.00 - $ 235.00
$ 235.00

Foster FSS316-6410-10-12, 5/8" ORB (7/8"-14 thread) Male x 3/4" ORB (1 1/16"-12 thread) Female, 316 Stainless

The Foster FSS316-6410-10-12 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 5/8" ORB (7/8"-14 thread) Male x 3/4" ORB (1 1/16"-12 thread) ...

View full details
$ 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 %
$ 407.00
$ 407.00 - $ 407.00
$ 407.00
$ 326.00
$ 326.00 - $ 326.00
$ 326.00

Foster FSS316-6410-08-12, 1/2" ORB (3/4"-16 thread) Male x 3/4" ORB (1 1/16"-12 thread) Female, 316 Stainless

The Foster FSS316-6410-08-12 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/2" ORB (3/4"-16 thread) Male x 3/4" ORB (1 1/16"-12 thread) ...

View full details
$ 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 %
$ 293.00
$ 293.00 - $ 293.00
$ 293.00
$ 235.00
$ 235.00 - $ 235.00
$ 235.00

Foster FSS316-6410-10-06, 5/8" ORB (7/8"-14 thread) Male x 3/8" ORB (9/16"-18 thread) Female, 316 Stainless

The Foster FSS316-6410-10-06 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 5/8" ORB (7/8"-14 thread) Male x 3/8" ORB (9/16"-18 thread) Fe...

View full details
$ 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 %
$ 407.00
$ 407.00 - $ 407.00
$ 407.00
$ 326.00
$ 326.00 - $ 326.00
$ 326.00

Foster FSS316-6410-12-04, 3/4" ORB (1 1/16"-12 thread) Male x 1/4" ORB (7/16"-20 thread) Female, 316 Stainless

The Foster FSS316-6410-12-04 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/4" ORB (1 1/16"-12 thread) Male x 1/4" ORB (7/16"-20 thread)...

View full details
$ 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 %
$ 293.00
$ 293.00 - $ 293.00
$ 293.00
$ 235.00
$ 235.00 - $ 235.00
$ 235.00

Foster FSS316-6410-08-10, 1/2" ORB (3/4"-16 thread) Male x 5/8" ORB (7/8"-14 thread) Female, 316 Stainless

The Foster FSS316-6410-08-10 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/2" ORB (3/4"-16 thread) Male x 5/8" ORB (7/8"-14 thread) Fem...

View full details
$ 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 %
$ 293.00
$ 293.00 - $ 293.00
$ 293.00
$ 235.00
$ 235.00 - $ 235.00
$ 235.00

Foster FSS316-6410-10-04, 5/8" ORB (7/8"-14 thread) Male x 1/4" ORB (7/16"-20 thread) Female, 316 Stainless

The Foster FSS316-6410-10-04 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 5/8" ORB (7/8"-14 thread) Male x 1/4" ORB (7/16"-20 thread) Fe...

View full details
$ 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 %
$ 249.00
$ 249.00 - $ 249.00
$ 249.00
$ 199.00
$ 199.00 - $ 199.00
$ 199.00

Foster FSS316-6410-08-08, 1/2" ORB (3/4"-16 thread) Male x 1/2" ORB (3/4"-16 thread) Female, 316 Stainless

The Foster FSS316-6410-08-08 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/2" ORB (3/4"-16 thread) Male x 1/2" ORB (3/4"-16 thread) Fem...

View full details
$ 249.00
$ 249.00 - $ 249.00
$ 249.00
$ 199.00
$ 199.00 - $ 199.00
$ 199.00
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 %
$ 249.00
$ 249.00 - $ 249.00
$ 249.00
$ 199.00
$ 199.00 - $ 199.00
$ 199.00

Foster FSS316-6410-08-06, 1/2" ORB (3/4"-16 thread) Male x 3/8" ORB (9/16"-18 thread) Female, 316 Stainless

The Foster FSS316-6410-08-06 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/2" ORB (3/4"-16 thread) Male x 3/8" ORB (9/16"-18 thread) Fe...

View full details
$ 249.00
$ 249.00 - $ 249.00
$ 249.00
$ 199.00
$ 199.00 - $ 199.00
$ 199.00
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 %
$ 249.00
$ 249.00 - $ 249.00
$ 249.00
$ 199.00
$ 199.00 - $ 199.00
$ 199.00

Foster FSS316-6410-06-08, 3/8" ORB (9/16"-18 thread) Male x 1/2" ORB (3/4"-16 thread) Female, 316 Stainless

The Foster FSS316-6410-06-08 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/8" ORB (9/16"-18 thread) Male x 1/2" ORB (3/4"-16 thread) Fe...

View full details
$ 249.00
$ 249.00 - $ 249.00
$ 249.00
$ 199.00
$ 199.00 - $ 199.00
$ 199.00
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 %
$ 249.00
$ 249.00 - $ 249.00
$ 249.00
$ 199.00
$ 199.00 - $ 199.00
$ 199.00

Foster FSS316-6410-08-04, 1/2" ORB (3/4"-16 thread) Male x 1/4" ORB (7/16"-20 thread) Female, 316 Stainless

The Foster FSS316-6410-08-04 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/2" ORB (3/4"-16 thread) Male x 1/4" ORB (7/16"-20 thread) Fe...

View full details
$ 249.00
$ 249.00 - $ 249.00
$ 249.00
$ 199.00
$ 199.00 - $ 199.00
$ 199.00
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 FSS316-6410-06-06, 3/8" ORB (9/16"-18 thread) Male x 3/8" ORB (9/16"-18 thread) Female, 316 Stainless

The Foster FSS316-6410-06-06 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/8" ORB (9/16"-18 thread) Male x 3/8" ORB (9/16"-18 thread) F...

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 19% Save %
$ 180.00
$ 180.00 - $ 180.00
$ 180.00
$ 145.00
$ 145.00 - $ 145.00
$ 145.00

Foster FSS316-6410-06-04, 3/8" ORB (9/16"-18 thread) Male x 1/4" ORB (7/16"-20 thread) Female, 316 Stainless

The Foster FSS316-6410-06-04 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/8" ORB (9/16"-18 thread) Male x 1/4" ORB (7/16"-20 thread) F...

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 20% Save %
$ 339.00
$ 339.00 - $ 339.00
$ 339.00
$ 272.00
$ 272.00 - $ 272.00
$ 272.00

Foster FSS316-6408-12, 3/4" ORB (1 1/16"-12 thread) Male Hex Head Plug, 316 Stainless

The Foster FSS316-6408-12 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/4" ORB (1 1/16"-12 thread) Male Hex Head Plug. Machined for lea...

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 %
$ 428.00
$ 428.00 - $ 428.00
$ 428.00
$ 344.00
$ 344.00 - $ 344.00
$ 344.00

Foster FSS316-6408-16, 1" ORB (1 5/16"-12 thread) Male Hex Head Plug, 316 Stainless

The Foster FSS316-6408-16 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1" ORB (1 5/16"-12 thread) Male Hex Head Plug. Machined for leak-...

View full details
$ 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 %
$ 249.00
$ 249.00 - $ 249.00
$ 249.00
$ 199.00
$ 199.00 - $ 199.00
$ 199.00

Foster FSS316-6410-04-08, 1/4" ORB (7/16"-20 thread) Male x 1/2" ORB (3/4"-16 thread) Female, 316 Stainless

The Foster FSS316-6410-04-08 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/4" ORB (7/16"-20 thread) Male x 1/2" ORB (3/4"-16 thread) Fe...

View full details
$ 249.00
$ 249.00 - $ 249.00
$ 249.00
$ 199.00
$ 199.00 - $ 199.00
$ 199.00
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 FSS316-6408-06, 3/8" ORB (9/16"-18 thread) Male Hex Head Plug, 316 Stainless

The Foster FSS316-6408-06 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/8" ORB (9/16"-18 thread) Male Hex Head Plug. Machined for leak-...

View full details
$ 203.00
$ 203.00 - $ 203.00
$ 203.00
$ 162.00
$ 162.00 - $ 162.00
$ 162.00
Save 20% Save %

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