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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 19% Save %
$ 176.00
$ 176.00 - $ 176.00
$ 176.00
$ 142.00
$ 142.00 - $ 142.00
$ 142.00

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...

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$ 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 19% Save %
$ 176.00
$ 176.00 - $ 176.00
$ 176.00
$ 142.00
$ 142.00 - $ 142.00
$ 142.00

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...

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$ 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 %
$ 331.00
$ 331.00 - $ 331.00
$ 331.00
$ 266.00
$ 266.00 - $ 266.00
$ 266.00

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...

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$ 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 %
$ 419.00
$ 419.00 - $ 419.00
$ 419.00
$ 337.00
$ 337.00 - $ 337.00
$ 337.00

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-...

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$ 419.00
$ 419.00 - $ 419.00
$ 419.00
$ 337.00
$ 337.00 - $ 337.00
$ 337.00
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 FSS316-6410-04-08, 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...

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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
Save 20% Save %
$ 199.00
$ 199.00 - $ 199.00
$ 199.00
$ 159.00
$ 159.00 - $ 159.00
$ 159.00

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-...

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$ 199.00
$ 199.00 - $ 199.00
$ 199.00
$ 159.00
$ 159.00 - $ 159.00
$ 159.00
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 FSS316-6410-04-06, 1/4" ORB (7/16"-20 thread) Male x 3/8" ORB (9/16"-18 thread) Female, 316 Stainless

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

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

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

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$ 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 21% Save %
$ 133.00
$ 133.00 - $ 133.00
$ 133.00
$ 105.00
$ 105.00 - $ 105.00
$ 105.00

Foster FSS316-6408-04, 1/4" ORB (7/16"-20 thread) Male Hex Head Plug, 316 Stainless

The Foster FSS316-6408-04 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/4" ORB (7/16"-20 thread) Male Hex Head Plug. Machined for leak-...

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$ 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 %
$ 221.00
$ 221.00 - $ 221.00
$ 221.00
$ 176.00
$ 176.00 - $ 176.00
$ 176.00

Foster FSS316-6408-08, 1/2" ORB (3/4"-16 thread) Male Hex Head Plug, 316 Stainless

The Foster FSS316-6408-08 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/2" ORB (3/4"-16 thread) Male Hex Head Plug. Machined for leak-t...

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$ 221.00
$ 221.00 - $ 221.00
$ 221.00
$ 176.00
$ 176.00 - $ 176.00
$ 176.00
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 FSS316-6408-10, 5/8" ORB (7/8"-14 thread) Male Hex Head Plug, 316 Stainless

The Foster FSS316-6408-10 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 5/8" ORB (7/8"-14 thread) Male Hex Head Plug. Machined for leak-t...

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$ 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 %
$ 574.00
$ 574.00 - $ 574.00
$ 574.00
$ 459.00
$ 459.00 - $ 459.00
$ 459.00

Foster FSS316-6407-10-10, 5/8" ORB (7/8"-14 thread) Male Swivel Union, 316 Stainless

The Foster FSS316-6407-10-10 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 5/8" ORB (7/8"-14 thread) Male Swivel Union. Machined for leak...

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$ 574.00
$ 574.00 - $ 574.00
$ 574.00
$ 459.00
$ 459.00 - $ 459.00
$ 459.00
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 %
$ 155.00
$ 155.00 - $ 155.00
$ 155.00
$ 124.00
$ 124.00 - $ 124.00
$ 124.00

Foster FSS316-6408-05, 5/16" ORB (1/2"-20 thread) Male Hex Head Plug, 316 Stainless

The Foster FSS316-6408-05 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 5/16" ORB (1/2"-20 thread) Male Hex Head Plug. Machined for leak-...

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$ 155.00
$ 155.00 - $ 155.00
$ 155.00
$ 124.00
$ 124.00 - $ 124.00
$ 124.00
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 %
$ 111.00
$ 111.00 - $ 111.00
$ 111.00
$ 88.00
$ 88.00 - $ 88.00
$ 88.00

Foster FSS316-6408-03, 3/16" ORB (3/8"-24 thread) Male Hex Head Plug, 316 Stainless

The Foster FSS316-6408-03 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/16" ORB (3/8"-24 thread) Male Hex Head Plug. Machined for leak-...

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$ 111.00
$ 111.00 - $ 111.00
$ 111.00
$ 88.00
$ 88.00 - $ 88.00
$ 88.00
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
$ 566.00
$ 566.00 - $ 566.00
$ 566.00

Foster FSS316-6407-12-12, 3/4" ORB (1 1/16"-12 thread) Male Swivel Union, 316 Stainless

The Foster FSS316-6407-12-12 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/4" ORB (1 1/16"-12 thread) Male Swivel Union. Machined for l...

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$ 707.00
$ 707.00 - $ 707.00
$ 707.00
$ 566.00
$ 566.00 - $ 566.00
$ 566.00
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 %
$ 487.00
$ 487.00 - $ 487.00
$ 487.00
$ 388.00
$ 388.00 - $ 388.00
$ 388.00

Foster FSS316-6407-08-08, 1/2" ORB (3/4"-16 thread) Male Swivel Union, 316 Stainless

The Foster FSS316-6407-08-08 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/2" ORB (3/4"-16 thread) Male Swivel Union. Machined for leak...

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$ 487.00
$ 487.00 - $ 487.00
$ 487.00
$ 388.00
$ 388.00 - $ 388.00
$ 388.00
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 %
$ 88.00
$ 88.00 - $ 88.00
$ 88.00
$ 71.00
$ 71.00 - $ 71.00
$ 71.00

Foster FSS316-6408-02, 1/8" ORB (5/16"-24 thread) Male Hex Head Plug, 316 Stainless

The Foster FSS316-6408-02 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/8" ORB (5/16"-24 thread) Male Hex Head Plug. Machined for leak-...

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$ 88.00
$ 88.00 - $ 88.00
$ 88.00
$ 71.00
$ 71.00 - $ 71.00
$ 71.00
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 %
$ 926.00
$ 926.00 - $ 926.00
$ 926.00
$ 742.00
$ 742.00 - $ 742.00
$ 742.00

Foster FSS316-6407-16-16, 1" ORB (1 5/16"-12 thread) Male Swivel Union, 316 Stainless

The Foster FSS316-6407-16-16 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1" ORB (1 5/16"-12 thread) Male Swivel Union. Machined for lea...

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$ 926.00
$ 926.00 - $ 926.00
$ 926.00
$ 742.00
$ 742.00 - $ 742.00
$ 742.00
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 %
$ 399.00
$ 399.00 - $ 399.00
$ 399.00
$ 319.00
$ 319.00 - $ 319.00
$ 319.00

Foster FSS316-6407-06-06, 3/8" ORB (9/16"-18 thread) Male Swivel Union, 316 Stainless

The Foster FSS316-6407-06-06 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/8" ORB (9/16"-18 thread) Male Swivel Union. Machined for lea...

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$ 399.00
$ 399.00 - $ 399.00
$ 399.00
$ 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 %
$ 309.00
$ 309.00 - $ 309.00
$ 309.00
$ 247.00
$ 247.00 - $ 247.00
$ 247.00

Foster FSS316-6407-04-04, 1/4" ORB (7/16"-20 thread) Male Swivel Union, 316 Stainless

The Foster FSS316-6407-04-04 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/4" ORB (7/16"-20 thread) Male Swivel Union. Machined for lea...

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$ 309.00
$ 309.00 - $ 309.00
$ 309.00
$ 247.00
$ 247.00 - $ 247.00
$ 247.00
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 FSS316-6405-16-08, 1" ORB (1 5/16"-12 thread) Male x 1/2" Female Pipe, 316 Stainless

The Foster FSS316-6405-16-08 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1" ORB (1 5/16"-12 thread) Male x 1/2" Female Pipe. Machined f...

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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 FSS316-6405-16-16, 1" ORB (1 5/16"-12 thread) Male x 1" Female Pipe, 316 Stainless

The Foster FSS316-6405-16-16 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1" ORB (1 5/16"-12 thread) Male x 1" Female Pipe. Machined for...

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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 %
$ 399.00
$ 399.00 - $ 399.00
$ 399.00
$ 319.00
$ 319.00 - $ 319.00
$ 319.00

Foster FSS316-6405-12-12, 3/4" ORB (1 1/16"-12 thread) Male x 3/4" Female Pipe, 316 Stainless

The Foster FSS316-6405-12-12 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/4" ORB (1 1/16"-12 thread) Male x 3/4" Female Pipe. Machined...

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$ 399.00
$ 399.00 - $ 399.00
$ 399.00
$ 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 %
$ 619.00
$ 619.00 - $ 619.00
$ 619.00
$ 495.00
$ 495.00 - $ 495.00
$ 495.00

Foster FSS316-6405-16-12, 1" ORB (1 5/16"-12 thread) Male x 3/4" Female Pipe, 316 Stainless

The Foster FSS316-6405-16-12 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1" ORB (1 5/16"-12 thread) Male x 3/4" Female Pipe. Machined f...

View full details
$ 619.00
$ 619.00 - $ 619.00
$ 619.00
$ 495.00
$ 495.00 - $ 495.00
$ 495.00
Save 20% Save %

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