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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 %
$ 419.00
$ 419.00 - $ 419.00
$ 419.00
$ 336.00
$ 336.00 - $ 336.00
$ 336.00

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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$ 419.00
$ 419.00 - $ 419.00
$ 419.00
$ 336.00
$ 336.00 - $ 336.00
$ 336.00
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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 %
$ 1,434.00
$ 1,434.00 - $ 1,434.00
$ 1,434.00
$ 1,146.00
$ 1,146.00 - $ 1,146.00
$ 1,146.00

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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$ 1,434.00
$ 1,434.00 - $ 1,434.00
$ 1,434.00
$ 1,146.00
$ 1,146.00 - $ 1,146.00
$ 1,146.00
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 %
$ 198.00
$ 198.00 - $ 198.00
$ 198.00
$ 159.00
$ 159.00 - $ 159.00
$ 159.00

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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$ 198.00
$ 198.00 - $ 198.00
$ 198.00
$ 159.00
$ 159.00 - $ 159.00
$ 159.00
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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 %
$ 286.00
$ 286.00 - $ 286.00
$ 286.00
$ 229.00
$ 229.00 - $ 229.00
$ 229.00

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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$ 286.00
$ 286.00 - $ 286.00
$ 286.00
$ 229.00
$ 229.00 - $ 229.00
$ 229.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 2,645.00
$ 2,645.00 - $ 2,645.00
$ 2,645.00
$ 2,116.00
$ 2,116.00 - $ 2,116.00
$ 2,116.00

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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$ 2,645.00
$ 2,645.00 - $ 2,645.00
$ 2,645.00
$ 2,116.00
$ 2,116.00 - $ 2,116.00
$ 2,116.00
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 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...

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$ 838.00
$ 838.00 - $ 838.00
$ 838.00
$ 670.00
$ 670.00 - $ 670.00
$ 670.00
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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 %
$ 243.00
$ 243.00 - $ 243.00
$ 243.00
$ 195.00
$ 195.00 - $ 195.00
$ 195.00

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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$ 243.00
$ 243.00 - $ 243.00
$ 243.00
$ 195.00
$ 195.00 - $ 195.00
$ 195.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 619.00
$ 619.00 - $ 619.00
$ 619.00
$ 495.00
$ 495.00 - $ 495.00
$ 495.00

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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$ 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 %
$ 619.00
$ 619.00 - $ 619.00
$ 619.00
$ 495.00
$ 495.00 - $ 495.00
$ 495.00

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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$ 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 %
$ 619.00
$ 619.00 - $ 619.00
$ 619.00
$ 495.00
$ 495.00 - $ 495.00
$ 495.00

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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$ 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 %
$ 398.00
$ 398.00 - $ 398.00
$ 398.00
$ 319.00
$ 319.00 - $ 319.00
$ 319.00

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) ...

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 %
$ 398.00
$ 398.00 - $ 398.00
$ 398.00
$ 319.00
$ 319.00 - $ 319.00
$ 319.00

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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$ 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 %
$ 398.00
$ 398.00 - $ 398.00
$ 398.00
$ 319.00
$ 319.00 - $ 319.00
$ 319.00

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)...

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$ 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 %
$ 286.00
$ 286.00 - $ 286.00
$ 286.00
$ 229.00
$ 229.00 - $ 229.00
$ 229.00

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...

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$ 286.00
$ 286.00 - $ 286.00
$ 286.00
$ 229.00
$ 229.00 - $ 229.00
$ 229.00
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 %
$ 286.00
$ 286.00 - $ 286.00
$ 286.00
$ 229.00
$ 229.00 - $ 229.00
$ 229.00

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
$ 286.00
$ 286.00 - $ 286.00
$ 286.00
$ 229.00
$ 229.00 - $ 229.00
$ 229.00
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 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
$ 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 %
$ 286.00
$ 286.00 - $ 286.00
$ 286.00
$ 229.00
$ 229.00 - $ 229.00
$ 229.00

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
$ 286.00
$ 286.00 - $ 286.00
$ 286.00
$ 229.00
$ 229.00 - $ 229.00
$ 229.00
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 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
$ 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 %
$ 286.00
$ 286.00 - $ 286.00
$ 286.00
$ 229.00
$ 229.00 - $ 229.00
$ 229.00

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...

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$ 286.00
$ 286.00 - $ 286.00
$ 286.00
$ 229.00
$ 229.00 - $ 229.00
$ 229.00
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 %
$ 286.00
$ 286.00 - $ 286.00
$ 286.00
$ 229.00
$ 229.00 - $ 229.00
$ 229.00

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
$ 286.00
$ 286.00 - $ 286.00
$ 286.00
$ 229.00
$ 229.00 - $ 229.00
$ 229.00
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 %
$ 243.00
$ 243.00 - $ 243.00
$ 243.00
$ 195.00
$ 195.00 - $ 195.00
$ 195.00

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
$ 243.00
$ 243.00 - $ 243.00
$ 243.00
$ 195.00
$ 195.00 - $ 195.00
$ 195.00
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 %
$ 243.00
$ 243.00 - $ 243.00
$ 243.00
$ 195.00
$ 195.00 - $ 195.00
$ 195.00

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
$ 243.00
$ 243.00 - $ 243.00
$ 243.00
$ 195.00
$ 195.00 - $ 195.00
$ 195.00
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 %
$ 243.00
$ 243.00 - $ 243.00
$ 243.00
$ 195.00
$ 195.00 - $ 195.00
$ 195.00

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
$ 243.00
$ 243.00 - $ 243.00
$ 243.00
$ 195.00
$ 195.00 - $ 195.00
$ 195.00
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 %
$ 243.00
$ 243.00 - $ 243.00
$ 243.00
$ 195.00
$ 195.00 - $ 195.00
$ 195.00

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
$ 243.00
$ 243.00 - $ 243.00
$ 243.00
$ 195.00
$ 195.00 - $ 195.00
$ 195.00
Save 20% Save %

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