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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 %
$ 477.00
$ 477.00 - $ 477.00
$ 477.00
$ 381.00
$ 381.00 - $ 381.00
$ 381.00

Foster FSS316-5405-06-06, 3/8" Male Pipe x 3/8" Female Pipe, 316 Stainless

The Foster FSS316-5405-06-06 is a 316 stainless steel NPT Pipe fitting: 3/8" Male Pipe x 3/8" Female Pipe. Machined for leak-tight fluid-power conn...

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$ 477.00
$ 477.00 - $ 477.00
$ 477.00
$ 381.00
$ 381.00 - $ 381.00
$ 381.00
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 %
$ 715.00
$ 715.00 - $ 715.00
$ 715.00
$ 572.00
$ 572.00 - $ 572.00
$ 572.00

Foster FSS316-5405-04-08, 1/4" Male Pipe x 1/2" Female Pipe, 316 Stainless

The Foster FSS316-5405-04-08 is a 316 stainless steel NPT Pipe fitting: 1/4" Male Pipe x 1/2" Female Pipe. Machined for leak-tight fluid-power conn...

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$ 715.00
$ 715.00 - $ 715.00
$ 715.00
$ 572.00
$ 572.00 - $ 572.00
$ 572.00
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 %
$ 477.00
$ 477.00 - $ 477.00
$ 477.00
$ 381.00
$ 381.00 - $ 381.00
$ 381.00

Foster FSS316-5405-04-06, 06 | 1/4" Male Pipe x 3/8" Female Pipe, 316 Stainless

The Foster FSS316-5405-04-06 is a 316 stainless steel NPT Pipe fitting: 06 | 1/4" Male Pipe x 3/8" Female Pipe. Machined for leak-tight fluid-power...

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$ 477.00
$ 477.00 - $ 477.00
$ 477.00
$ 381.00
$ 381.00 - $ 381.00
$ 381.00
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 %
$ 1,090.00
$ 1,090.00 - $ 1,090.00
$ 1,090.00
$ 873.00
$ 873.00 - $ 873.00
$ 873.00

Foster FSS316-5405-04-12, 1/4" Male Pipe x 3/4" Female Pipe, 316 Stainless

The Foster FSS316-5405-04-12 is a 316 stainless steel NPT Pipe fitting: 1/4" Male Pipe x 3/4" Female Pipe. Machined for leak-tight fluid-power conn...

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$ 1,090.00
$ 1,090.00 - $ 1,090.00
$ 1,090.00
$ 873.00
$ 873.00 - $ 873.00
$ 873.00
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 %
$ 331.00
$ 331.00 - $ 331.00
$ 331.00
$ 266.00
$ 266.00 - $ 266.00
$ 266.00

Foster FSS316-5405-04-04, 1/4" Male Pipe x 1/4" Female Pipe, 316 Stainless

The Foster FSS316-5405-04-04 is a 316 stainless steel NPT Pipe fitting: 1/4" Male Pipe x 1/4" Female Pipe. Machined for leak-tight fluid-power conn...

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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 %
$ 715.00
$ 715.00 - $ 715.00
$ 715.00
$ 572.00
$ 572.00 - $ 572.00
$ 572.00

Foster FSS316-5405-02-08, 1/8" Male Pipe x 1/2" Female Pipe, 316 Stainless

The Foster FSS316-5405-02-08 is a 316 stainless steel NPT Pipe fitting: 1/8" Male Pipe x 1/2" Female Pipe. Machined for leak-tight fluid-power conn...

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$ 715.00
$ 715.00 - $ 715.00
$ 715.00
$ 572.00
$ 572.00 - $ 572.00
$ 572.00
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 %
$ 477.00
$ 477.00 - $ 477.00
$ 477.00
$ 381.00
$ 381.00 - $ 381.00
$ 381.00

Foster FSS316-5405-02-06, 1/8" Male Pipe x 3/8" Female Pipe, 316 Stainless

The Foster FSS316-5405-02-06 is a 316 stainless steel NPT Pipe fitting: 1/8" Male Pipe x 3/8" Female Pipe. Machined for leak-tight fluid-power conn...

View full details
$ 477.00
$ 477.00 - $ 477.00
$ 477.00
$ 381.00
$ 381.00 - $ 381.00
$ 381.00
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 %
$ 245.00
$ 245.00 - $ 245.00
$ 245.00
$ 197.00
$ 197.00 - $ 197.00
$ 197.00

Foster FSS316-5405-02-02, 1/8" Male Pipe x 1/8" Female Pipe, 316 Stainless

The Foster FSS316-5405-02-02 is a 316 stainless steel NPT Pipe fitting: 1/8" Male Pipe x 1/8" Female Pipe. Machined for leak-tight fluid-power conn...

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$ 245.00
$ 245.00 - $ 245.00
$ 245.00
$ 197.00
$ 197.00 - $ 197.00
$ 197.00
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 %
$ 331.00
$ 331.00 - $ 331.00
$ 331.00
$ 266.00
$ 266.00 - $ 266.00
$ 266.00

Foster FSS316-5405-02-04, 1/8" Male Pipe x 1/4" Female Pipe, 316 Stainless

The Foster FSS316-5405-02-04 is a 316 stainless steel NPT Pipe fitting: 1/8" Male Pipe x 1/4" Female Pipe. Machined for leak-tight fluid-power conn...

View full details
$ 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 %
$ 761.00
$ 761.00 - $ 761.00
$ 761.00
$ 610.00
$ 610.00 - $ 610.00
$ 610.00

Foster FSS316-5404-16-16, 1" Male Pipe x 1" Male Pipe, 316 Stainless

The Foster FSS316-5404-16-16 is a 316 stainless steel NPT Pipe fitting: 1" Male Pipe x 1" Male Pipe. Machined for leak-tight fluid-power connection...

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$ 761.00
$ 761.00 - $ 761.00
$ 761.00
$ 610.00
$ 610.00 - $ 610.00
$ 610.00
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 %
$ 887.00
$ 887.00 - $ 887.00
$ 887.00
$ 710.00
$ 710.00 - $ 710.00
$ 710.00

Foster FSS316-5404-16-08, 1" Male Pipe x 1/2" Male Pipe, 316 Stainless

The Foster FSS316-5404-16-08 is a 316 stainless steel NPT Pipe fitting: 1" Male Pipe x 1/2" Male Pipe. Machined for leak-tight fluid-power connecti...

View full details
$ 887.00
$ 887.00 - $ 887.00
$ 887.00
$ 710.00
$ 710.00 - $ 710.00
$ 710.00
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 %
$ 529.00
$ 529.00 - $ 529.00
$ 529.00
$ 424.00
$ 424.00 - $ 424.00
$ 424.00

Foster FSS316-5404-12-08, 3/4" Male Pipe x 1/2" Male Pipe, 316 Stainless

The Foster FSS316-5404-12-08 is a 316 stainless steel NPT Pipe fitting: 3/4" Male Pipe x 1/2" Male Pipe. Machined for leak-tight fluid-power connec...

View full details
$ 529.00
$ 529.00 - $ 529.00
$ 529.00
$ 424.00
$ 424.00 - $ 424.00
$ 424.00
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 %
$ 557.00
$ 557.00 - $ 557.00
$ 557.00
$ 445.00
$ 445.00 - $ 445.00
$ 445.00

Foster FSS316-5404-12-04, 3/4" Male Pipe x 1/4" Male Pipe, 316 Stainless

The Foster FSS316-5404-12-04 is a 316 stainless steel NPT Pipe fitting: 3/4" Male Pipe x 1/4" Male Pipe. Machined for leak-tight fluid-power connec...

View full details
$ 557.00
$ 557.00 - $ 557.00
$ 557.00
$ 445.00
$ 445.00 - $ 445.00
$ 445.00
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 %
$ 503.00
$ 503.00 - $ 503.00
$ 503.00
$ 403.00
$ 403.00 - $ 403.00
$ 403.00

Foster FSS316-5404-12-12, 3/4" Male Pipe x 3/4" Male Pipe, 316 Stainless

The Foster FSS316-5404-12-12 is a 316 stainless steel NPT Pipe fitting: 3/4" Male Pipe x 3/4" Male Pipe. Machined for leak-tight fluid-power connec...

View full details
$ 503.00
$ 503.00 - $ 503.00
$ 503.00
$ 403.00
$ 403.00 - $ 403.00
$ 403.00
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 %
$ 860.00
$ 860.00 - $ 860.00
$ 860.00
$ 687.00
$ 687.00 - $ 687.00
$ 687.00

Foster FSS316-5404-16-12, 1" Male Pipe x 3/4" Male Pipe, 316 Stainless

The Foster FSS316-5404-16-12 is a 316 stainless steel NPT Pipe fitting: 1" Male Pipe x 3/4" Male Pipe. Machined for leak-tight fluid-power connecti...

View full details
$ 860.00
$ 860.00 - $ 860.00
$ 860.00
$ 687.00
$ 687.00 - $ 687.00
$ 687.00
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 %
$ 331.00
$ 331.00 - $ 331.00
$ 331.00
$ 266.00
$ 266.00 - $ 266.00
$ 266.00

Foster FSS316-5404-08-06, 1/2" Male Pipe x 3/8" Male Pipe, 316 Stainless

The Foster FSS316-5404-08-06 is a 316 stainless steel NPT Pipe fitting: 1/2" Male Pipe x 3/8" Male Pipe. Machined for leak-tight fluid-power connec...

View full details
$ 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 %
$ 331.00
$ 331.00 - $ 331.00
$ 331.00
$ 266.00
$ 266.00 - $ 266.00
$ 266.00

Foster FSS316-5404-08-04, 1/2" Male Pipe x 1/4" Male Pipe, 316 Stainless

The Foster FSS316-5404-08-04 is a 316 stainless steel NPT Pipe fitting: 1/2" Male Pipe x 1/4" Male Pipe. Machined for leak-tight fluid-power connec...

View full details
$ 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 %
$ 529.00
$ 529.00 - $ 529.00
$ 529.00
$ 424.00
$ 424.00 - $ 424.00
$ 424.00

Foster FSS316-5404-12-06, 3/4" Male Pipe x 3/8" Male Pipe, 316 Stainless

The Foster FSS316-5404-12-06 is a 316 stainless steel NPT Pipe fitting: 3/4" Male Pipe x 3/8" Male Pipe. Machined for leak-tight fluid-power connec...

View full details
$ 529.00
$ 529.00 - $ 529.00
$ 529.00
$ 424.00
$ 424.00 - $ 424.00
$ 424.00
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 %
$ 331.00
$ 331.00 - $ 331.00
$ 331.00
$ 266.00
$ 266.00 - $ 266.00
$ 266.00

Foster FSS316-5404-08-08, 1/2" Male Pipe x 1/2" Male Pipe, 316 Stainless

The Foster FSS316-5404-08-08 is a 316 stainless steel NPT Pipe fitting: 1/2" Male Pipe x 1/2" Male Pipe. Machined for leak-tight fluid-power connec...

View full details
$ 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 %
$ 233.00
$ 233.00 - $ 233.00
$ 233.00
$ 186.00
$ 186.00 - $ 186.00
$ 186.00

Foster FSS316-5404-06-02, 3/8" Male Pipe x 1/8" Male Pipe, 316 Stainless

The Foster FSS316-5404-06-02 is a 316 stainless steel NPT Pipe fitting: 3/8" Male Pipe x 1/8" Male Pipe. Machined for leak-tight fluid-power connec...

View full details
$ 233.00
$ 233.00 - $ 233.00
$ 233.00
$ 186.00
$ 186.00 - $ 186.00
$ 186.00
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 %
$ 331.00
$ 331.00 - $ 331.00
$ 331.00
$ 266.00
$ 266.00 - $ 266.00
$ 266.00

Foster FSS316-5404-08-02, 1/2" Male Pipe x 1/8" Male Pipe, 316 Stainless

The Foster FSS316-5404-08-02 is a 316 stainless steel NPT Pipe fitting: 1/2" Male Pipe x 1/8" Male Pipe. Machined for leak-tight fluid-power connec...

View full details
$ 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 21% Save %
$ 219.00
$ 219.00 - $ 219.00
$ 219.00
$ 174.00
$ 174.00 - $ 174.00
$ 174.00

Foster FSS316-5404-06-04, 3/8" Male Pipe x 1/4" Male Pipe, 316 Stainless

The Foster FSS316-5404-06-04 is a 316 stainless steel NPT Pipe fitting: 3/8" Male Pipe x 1/4" Male Pipe. Machined for leak-tight fluid-power connec...

View full details
$ 219.00
$ 219.00 - $ 219.00
$ 219.00
$ 174.00
$ 174.00 - $ 174.00
$ 174.00
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 %
$ 205.00
$ 205.00 - $ 205.00
$ 205.00
$ 164.00
$ 164.00 - $ 164.00
$ 164.00

Foster FSS316-5404-06-06, 3/8" Male Pipe x 3/8" Male Pipe, 316 Stainless

The Foster FSS316-5404-06-06 is a 316 stainless steel NPT Pipe fitting: 3/8" Male Pipe x 3/8" Male Pipe. Machined for leak-tight fluid-power connec...

View full details
$ 205.00
$ 205.00 - $ 205.00
$ 205.00
$ 164.00
$ 164.00 - $ 164.00
$ 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 %
$ 160.00
$ 160.00 - $ 160.00
$ 160.00
$ 128.00
$ 128.00 - $ 128.00
$ 128.00

Foster FSS316-5404-04-04, 1/4" Male Pipe x 1/4" Male Pipe, 316 Stainless

The Foster FSS316-5404-04-04 is a 316 stainless steel NPT Pipe fitting: 1/4" Male Pipe x 1/4" Male Pipe. Machined for leak-tight fluid-power connec...

View full details
$ 160.00
$ 160.00 - $ 160.00
$ 160.00
$ 128.00
$ 128.00 - $ 128.00
$ 128.00
Save 20% Save %

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