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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 %
$ 195.00
$ 195.00 - $ 195.00
$ 195.00
$ 157.00
$ 157.00 - $ 157.00
$ 157.00

Foster FSS316-6405-06-06, 3/8" ORB (9/16"-18 thread) Male x 3/8" Female Pipe, 316 Stainless

The Foster FSS316-6405-06-06 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/8" ORB (9/16"-18 thread) Male x 3/8" Female Pipe. Machined f...

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$ 195.00
$ 195.00 - $ 195.00
$ 195.00
$ 157.00
$ 157.00 - $ 157.00
$ 157.00
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 %
$ 147.00
$ 147.00 - $ 147.00
$ 147.00
$ 117.00
$ 117.00 - $ 117.00
$ 117.00

Foster FSS316-6405-04-04, 1/4" ORB (7/16"-20 thread) Male x 1/4" Female Pipe, 316 Stainless

The Foster FSS316-6405-04-04 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/4" ORB (7/16"-20 thread) Male x 1/4" Female Pipe. Machined f...

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$ 147.00
$ 147.00 - $ 147.00
$ 147.00
$ 117.00
$ 117.00 - $ 117.00
$ 117.00
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 %
$ 183.00
$ 183.00 - $ 183.00
$ 183.00
$ 147.00
$ 147.00 - $ 147.00
$ 147.00

Foster FSS316-6405-06-04, 3/8" ORB (9/16"-18 thread) Male x 1/4" Female Pipe, 316 Stainless

The Foster FSS316-6405-06-04 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/8" ORB (9/16"-18 thread) Male x 1/4" Female Pipe. Machined f...

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$ 183.00
$ 183.00 - $ 183.00
$ 183.00
$ 147.00
$ 147.00 - $ 147.00
$ 147.00
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 %
$ 441.00
$ 441.00 - $ 441.00
$ 441.00
$ 353.00
$ 353.00 - $ 353.00
$ 353.00

Foster FSS316-6404-12-12, 3/4" ORB (1 1/16"-12 thread) Female x 3/4" Male Pipe, 316 Stainless

The Foster FSS316-6404-12-12 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/4" ORB (1 1/16"-12 thread) Female x 3/4" Male Pipe. Machined...

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$ 441.00
$ 441.00 - $ 441.00
$ 441.00
$ 353.00
$ 353.00 - $ 353.00
$ 353.00
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 %
$ 172.00
$ 172.00 - $ 172.00
$ 172.00
$ 138.00
$ 138.00 - $ 138.00
$ 138.00

Foster FSS316-6405-05-04, 5/16" ORB (1/2"-20 thread) Male x 1/4" Female Pipe, 316 Stainless

The Foster FSS316-6405-05-04 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 5/16" ORB (1/2"-20 thread) Male x 1/4" Female Pipe. Machined f...

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$ 172.00
$ 172.00 - $ 172.00
$ 172.00
$ 138.00
$ 138.00 - $ 138.00
$ 138.00
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 %
$ 147.00
$ 147.00 - $ 147.00
$ 147.00
$ 117.00
$ 117.00 - $ 117.00
$ 117.00

Foster FSS316-6405-04-02, 1/4" ORB (7/16"-20 thread) Male x 1/8" Female Pipe, 316 Stainless

The Foster FSS316-6405-04-02 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/4" ORB (7/16"-20 thread) Male x 1/8" Female Pipe. Machined f...

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$ 147.00
$ 147.00 - $ 147.00
$ 147.00
$ 117.00
$ 117.00 - $ 117.00
$ 117.00
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 %
$ 122.00
$ 122.00 - $ 122.00
$ 122.00
$ 98.00
$ 98.00 - $ 98.00
$ 98.00

Foster FSS316-6405-02-02, 1/8" ORB (5/16"-24 thread) Male x 1/8" Female Pipe, 316 Stainless

The Foster FSS316-6405-02-02 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/8" ORB (5/16"-24 thread) Male x 1/8" Female Pipe. Machined f...

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$ 122.00
$ 122.00 - $ 122.00
$ 122.00
$ 98.00
$ 98.00 - $ 98.00
$ 98.00
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 %
$ 685.00
$ 685.00 - $ 685.00
$ 685.00
$ 547.00
$ 547.00 - $ 547.00
$ 547.00

Foster FSS316-6404-16-16, 1" ORB (1 5/16"-12 thread) Female x 1" Male Pipe, 316 Stainless

The Foster FSS316-6404-16-16 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1" ORB (1 5/16"-12 thread) Female x 1" Male Pipe. Machined for...

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$ 685.00
$ 685.00 - $ 685.00
$ 685.00
$ 547.00
$ 547.00 - $ 547.00
$ 547.00
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 %
$ 195.00
$ 195.00 - $ 195.00
$ 195.00
$ 157.00
$ 157.00 - $ 157.00
$ 157.00

Foster FSS316-6404-06-06, 3/8" ORB (9/16"-18 thread) Female x 3/8" Male Pipe, 316 Stainless

The Foster FSS316-6404-06-06 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/8" ORB (9/16"-18 thread) Female x 3/8" Male Pipe. Machined f...

View full details
$ 195.00
$ 195.00 - $ 195.00
$ 195.00
$ 157.00
$ 157.00 - $ 157.00
$ 157.00
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 %
$ 269.00
$ 269.00 - $ 269.00
$ 269.00
$ 216.00
$ 216.00 - $ 216.00
$ 216.00

Foster FSS316-6404-08-08, 1/2" ORB (3/4"-16 thread) Female x 1/2" Male Pipe, 316 Stainless

The Foster FSS316-6404-08-08 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/2" ORB (3/4"-16 thread) Female x 1/2" Male Pipe. Machined fo...

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$ 269.00
$ 269.00 - $ 269.00
$ 269.00
$ 216.00
$ 216.00 - $ 216.00
$ 216.00
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 %
$ 342.00
$ 342.00 - $ 342.00
$ 342.00
$ 273.00
$ 273.00 - $ 273.00
$ 273.00

Foster FSS316-6404-10-08, 5/8" ORB (7/8"-14 thread) Female x 1/2" Male Pipe, 316 Stainless

The Foster FSS316-6404-10-08 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 5/8" ORB (7/8"-14 thread) Female x 1/2" Male Pipe. Machined fo...

View full details
$ 342.00
$ 342.00 - $ 342.00
$ 342.00
$ 273.00
$ 273.00 - $ 273.00
$ 273.00
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 %
$ 366.00
$ 366.00 - $ 366.00
$ 366.00
$ 294.00
$ 294.00 - $ 294.00
$ 294.00

Foster FSS316-6401-12-12, 3/4" ORB (1 1/16"-12 thread) Male x 3/4" Male Pipe, 316 Stainless

The Foster FSS316-6401-12-12 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/4" ORB (1 1/16"-12 thread) Male x 3/4" Male Pipe. Machined f...

View full details
$ 366.00
$ 366.00 - $ 366.00
$ 366.00
$ 294.00
$ 294.00 - $ 294.00
$ 294.00
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 %
$ 635.00
$ 635.00 - $ 635.00
$ 635.00
$ 507.00
$ 507.00 - $ 507.00
$ 507.00

Foster FSS316-6401-16-16, 1" ORB (1 5/16"-12 thread) Male x 1" Male Pipe, 316 Stainless

The Foster FSS316-6401-16-16 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1" ORB (1 5/16"-12 thread) Male x 1" Male Pipe. Machined for l...

View full details
$ 635.00
$ 635.00 - $ 635.00
$ 635.00
$ 507.00
$ 507.00 - $ 507.00
$ 507.00
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 %
$ 610.00
$ 610.00 - $ 610.00
$ 610.00
$ 488.00
$ 488.00 - $ 488.00
$ 488.00

Foster FSS316-6401-16-12, 1" ORB (1 5/16"-12 thread) Male x 3/4" Male Pipe, 316 Stainless

The Foster FSS316-6401-16-12 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1" ORB (1 5/16"-12 thread) Male x 3/4" Male Pipe. Machined for...

View full details
$ 610.00
$ 610.00 - $ 610.00
$ 610.00
$ 488.00
$ 488.00 - $ 488.00
$ 488.00
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 %
$ 147.00
$ 147.00 - $ 147.00
$ 147.00
$ 117.00
$ 117.00 - $ 117.00
$ 117.00

Foster FSS316-6404-04-04, 1/4" ORB (7/16"-20 thread) Female x 1/4" Male Pipe, 316 Stainless

The Foster FSS316-6404-04-04 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/4" ORB (7/16"-20 thread) Female x 1/4" Male Pipe. Machined f...

View full details
$ 147.00
$ 147.00 - $ 147.00
$ 147.00
$ 117.00
$ 117.00 - $ 117.00
$ 117.00
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 %
$ 317.00
$ 317.00 - $ 317.00
$ 317.00
$ 254.00
$ 254.00 - $ 254.00
$ 254.00

Foster FSS316-6401-10-08, 5/8" ORB (7/8"-14 thread) Male x 1/2" Male Pipe, 316 Stainless

The Foster FSS316-6401-10-08 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 5/8" ORB (7/8"-14 thread) Male x 1/2" Male Pipe. Machined for ...

View full details
$ 317.00
$ 317.00 - $ 317.00
$ 317.00
$ 254.00
$ 254.00 - $ 254.00
$ 254.00
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 %
$ 366.00
$ 366.00 - $ 366.00
$ 366.00
$ 294.00
$ 294.00 - $ 294.00
$ 294.00

Foster FSS316-6401-12-08, 3/4" ORB (1 1/16"-12 thread) Male x 1/2" Male Pipe, 316 Stainless

The Foster FSS316-6401-12-08 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/4" ORB (1 1/16"-12 thread) Male x 1/2" Male Pipe. Machined f...

View full details
$ 366.00
$ 366.00 - $ 366.00
$ 366.00
$ 294.00
$ 294.00 - $ 294.00
$ 294.00
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 %
$ 244.00
$ 244.00 - $ 244.00
$ 244.00
$ 195.00
$ 195.00 - $ 195.00
$ 195.00

Foster FSS316-6401-08-06, 1/2" ORB (3/4"-16 thread) Male x 3/8" Male Pipe, 316 Stainless

The Foster FSS316-6401-08-06 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/2" ORB (3/4"-16 thread) Male x 3/8" Male Pipe. Machined for ...

View full details
$ 244.00
$ 244.00 - $ 244.00
$ 244.00
$ 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 %
$ 366.00
$ 366.00 - $ 366.00
$ 366.00
$ 294.00
$ 294.00 - $ 294.00
$ 294.00

Foster FSS316-6401-10-12, 5/8" ORB (7/8"-14 thread) Male x 3/4" Male Pipe, 316 Stainless

The Foster FSS316-6401-10-12 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 5/8" ORB (7/8"-14 thread) Male x 3/4" Male Pipe. Machined for ...

View full details
$ 366.00
$ 366.00 - $ 366.00
$ 366.00
$ 294.00
$ 294.00 - $ 294.00
$ 294.00
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 %
$ 244.00
$ 244.00 - $ 244.00
$ 244.00
$ 195.00
$ 195.00 - $ 195.00
$ 195.00

Foster FSS316-6401-08-08, 1/2" ORB (3/4"-16 thread) Male x 1/2" Male Pipe, 316 Stainless

The Foster FSS316-6401-08-08 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/2" ORB (3/4"-16 thread) Male x 1/2" Male Pipe. Machined for ...

View full details
$ 244.00
$ 244.00 - $ 244.00
$ 244.00
$ 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 21% Save %
$ 233.00
$ 233.00 - $ 233.00
$ 233.00
$ 185.00
$ 185.00 - $ 185.00
$ 185.00

Foster FSS316-6401-08-04, 1/2" ORB (3/4"-16 thread) Male x 1/4" Male Pipe, 316 Stainless

The Foster FSS316-6401-08-04 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/2" ORB (3/4"-16 thread) Male x 1/4" Male Pipe. Machined for ...

View full details
$ 233.00
$ 233.00 - $ 233.00
$ 233.00
$ 185.00
$ 185.00 - $ 185.00
$ 185.00
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 %
$ 172.00
$ 172.00 - $ 172.00
$ 172.00
$ 138.00
$ 138.00 - $ 138.00
$ 138.00

Foster FSS316-6401-06-06, 3/8" ORB (9/16"-18 thread) Male x 3/8" Male Pipe, 316 Stainless

The Foster FSS316-6401-06-06 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/8" ORB (9/16"-18 thread) Male x 3/8" Male Pipe. Machined for...

View full details
$ 172.00
$ 172.00 - $ 172.00
$ 172.00
$ 138.00
$ 138.00 - $ 138.00
$ 138.00
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 %
$ 244.00
$ 244.00 - $ 244.00
$ 244.00
$ 195.00
$ 195.00 - $ 195.00
$ 195.00

Foster FSS316-6401-06-08, 3/8" ORB (9/16"-18 thread) Male x 1/2" Male Pipe, 316 Stainless

The Foster FSS316-6401-06-08 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/8" ORB (9/16"-18 thread) Male x 1/2" Male Pipe. Machined for...

View full details
$ 244.00
$ 244.00 - $ 244.00
$ 244.00
$ 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 %
$ 122.00
$ 122.00 - $ 122.00
$ 122.00
$ 98.00
$ 98.00 - $ 98.00
$ 98.00

Foster FSS316-6401-04-02, 1/4" ORB (7/16"-20 thread) Male x 1/8" Male Pipe, 316 Stainless

The Foster FSS316-6401-04-02 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/4" ORB (7/16"-20 thread) Male x 1/8" Male Pipe. Machined for...

View full details
$ 122.00
$ 122.00 - $ 122.00
$ 122.00
$ 98.00
$ 98.00 - $ 98.00
$ 98.00
Save 20% Save %

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