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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 %
$ 1,129.00
$ 1,129.00 - $ 1,129.00
$ 1,129.00
$ 903.00
$ 903.00 - $ 903.00
$ 903.00

Foster BL100FS, 1" Straight-Thru Coupler x 1" Female NPT, FST Series, Ball Lock, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster BL100FS is a brass 1" straight-thru coupl...

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$ 1,129.00
$ 1,129.00 - $ 1,129.00
$ 1,129.00
$ 903.00
$ 903.00 - $ 903.00
$ 903.00
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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 %
$ 303.00
$ 303.00 - $ 303.00
$ 303.00
$ 242.00
$ 242.00 - $ 242.00
$ 242.00

Foster 75HPB, 3/4" Straight-Thru Plug x 3/4" Hose ID, FST Series, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 75HPB is a brass 3/4" straight-thru plug ...

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$ 303.00
$ 303.00 - $ 303.00
$ 303.00
$ 242.00
$ 242.00 - $ 242.00
$ 242.00
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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 %
$ 2,134.00
$ 2,134.00 - $ 2,134.00
$ 2,134.00
$ 1,708.00
$ 1,708.00 - $ 1,708.00
$ 1,708.00

Foster 75FSS-103, 3/4" Straight-Thru Coupler x 3/4" Female NPT, FST Series, EPDM Seal, 303 Stainless Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 75FSS-103 is a 303 stainless 3/4" straigh...

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$ 2,134.00
$ 2,134.00 - $ 2,134.00
$ 2,134.00
$ 1,708.00
$ 1,708.00 - $ 1,708.00
$ 1,708.00
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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 %
$ 2,103.00
$ 2,103.00 - $ 2,103.00
$ 2,103.00
$ 1,681.00
$ 1,681.00 - $ 1,681.00
$ 1,681.00

Foster 75FSS-101, 3/4" Straight-Thru Coupler x 3/4" Female NPT, FST Series, Viton Seal, 303 Stainless Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 75FSS-101 is a 303 stainless 3/4" straigh...

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$ 2,103.00
$ 2,103.00 - $ 2,103.00
$ 2,103.00
$ 1,681.00
$ 1,681.00 - $ 1,681.00
$ 1,681.00
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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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$ 2,039.00
$ 2,039.00 - $ 2,039.00
$ 2,039.00
$ 1,631.00
$ 1,631.00 - $ 1,631.00
$ 1,631.00

Foster 75FSS, 3/4" Straight-Thru Coupler x 3/4" Female NPT, FST Series, 303 Stainless Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 75FSS is a 303 stainless 3/4" straight-th...

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$ 2,039.00
$ 2,039.00 - $ 2,039.00
$ 2,039.00
$ 1,631.00
$ 1,631.00 - $ 1,631.00
$ 1,631.00
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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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$ 720.00
$ 720.00 - $ 720.00
$ 720.00
$ 577.00
$ 577.00 - $ 577.00
$ 577.00

Foster 75FS-104, 3/4" Straight-Thru Coupler x 3/4" Female NPT, FST Series, Silicone Seal, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 75FS-104 is a brass 3/4" straight-thru co...

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$ 720.00
$ 720.00 - $ 720.00
$ 720.00
$ 577.00
$ 577.00 - $ 577.00
$ 577.00
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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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$ 692.00
$ 692.00 - $ 692.00
$ 692.00
$ 554.00
$ 554.00 - $ 554.00
$ 554.00

Foster 75FS-103, 3/4" Straight-Thru Coupler x 3/4" Female NPT, FST Series, EPDM Seal, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 75FS-103 is a brass 3/4" straight-thru co...

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$ 692.00
$ 692.00 - $ 692.00
$ 692.00
$ 554.00
$ 554.00 - $ 554.00
$ 554.00
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 %
$ 704.00
$ 704.00 - $ 704.00
$ 704.00
$ 563.00
$ 563.00 - $ 563.00
$ 563.00

Foster 75FS-101, 3/4" Straight-Thru Coupler x 3/4" Female NPT, FST Series, Viton Seal, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 75FS-101 is a brass 3/4" straight-thru co...

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$ 704.00
$ 704.00 - $ 704.00
$ 704.00
$ 563.00
$ 563.00 - $ 563.00
$ 563.00
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 %
$ 621.00
$ 621.00 - $ 621.00
$ 621.00
$ 497.00
$ 497.00 - $ 497.00
$ 497.00

Foster 75FS, 3/4" Straight-Thru Coupler x 3/4" Female NPT, FST Series, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 75FS is a brass 3/4" straight-thru couple...

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$ 621.00
$ 621.00 - $ 621.00
$ 621.00
$ 497.00
$ 497.00 - $ 497.00
$ 497.00
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 %
$ 857.00
$ 857.00 - $ 857.00
$ 857.00
$ 685.00
$ 685.00 - $ 685.00
$ 685.00

Foster 75FPS, 3/4" Straight-Thru Plug x 3/4" Female NPT, FST Series, 303 Stainless Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 75FPS is a 303 stainless 3/4" straight-th...

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$ 857.00
$ 857.00 - $ 857.00
$ 857.00
$ 685.00
$ 685.00 - $ 685.00
$ 685.00
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 %
$ 215.00
$ 215.00 - $ 215.00
$ 215.00
$ 171.00
$ 171.00 - $ 171.00
$ 171.00

Foster 75FP, 3/4" Straight-Thru Plug x 3/4" Female NPT, FST Series, Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 75FP is a steel 3/4" straight-thru plug i...

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$ 215.00
$ 215.00 - $ 215.00
$ 215.00
$ 171.00
$ 171.00 - $ 171.00
$ 171.00
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 %
$ 1,432.00
$ 1,432.00 - $ 1,432.00
$ 1,432.00
$ 1,147.00
$ 1,147.00 - $ 1,147.00
$ 1,147.00

Foster 50FSS-103, 1/2" Straight-Thru Coupler x 1/2" Female NPT, FST Series, EPDM Seal, 303 Stainless Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 50FSS-103 is a 303 stainless 1/2" straigh...

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$ 1,432.00
$ 1,432.00 - $ 1,432.00
$ 1,432.00
$ 1,147.00
$ 1,147.00 - $ 1,147.00
$ 1,147.00
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 %
$ 1,408.00
$ 1,408.00 - $ 1,408.00
$ 1,408.00
$ 1,127.00
$ 1,127.00 - $ 1,127.00
$ 1,127.00

Foster 50FSS-101, 1/2" Straight-Thru Coupler x 1/2" Female NPT, FST Series, Viton Seal, 303 Stainless Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 50FSS-101 is a 303 stainless 1/2" straigh...

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$ 1,408.00
$ 1,408.00 - $ 1,408.00
$ 1,408.00
$ 1,127.00
$ 1,127.00 - $ 1,127.00
$ 1,127.00
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 %
$ 1,359.00
$ 1,359.00 - $ 1,359.00
$ 1,359.00
$ 1,087.00
$ 1,087.00 - $ 1,087.00
$ 1,087.00

Foster 50FSS, 1/2" Straight-Thru Coupler x 1/2" Female NPT, FST Series, 303 Stainless Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 50FSS is a 303 stainless 1/2" straight-th...

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$ 1,359.00
$ 1,359.00 - $ 1,359.00
$ 1,359.00
$ 1,087.00
$ 1,087.00 - $ 1,087.00
$ 1,087.00
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 %
$ 432.00
$ 432.00 - $ 432.00
$ 432.00
$ 347.00
$ 347.00 - $ 347.00
$ 347.00

Foster 50FS-103, 1/2" Straight-Thru Coupler x 1/2" Female NPT, FST Series, EPDM Seal, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 50FS-103 is a brass 1/2" straight-thru co...

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$ 432.00
$ 432.00 - $ 432.00
$ 432.00
$ 347.00
$ 347.00 - $ 347.00
$ 347.00
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 %
$ 439.00
$ 439.00 - $ 439.00
$ 439.00
$ 352.00
$ 352.00 - $ 352.00
$ 352.00

Foster 50FS-101, 1/2" Straight-Thru Coupler x 1/2" Female NPT, FST Series, Viton Seal, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 50FS-101 is a brass 1/2" straight-thru co...

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$ 439.00
$ 439.00 - $ 439.00
$ 439.00
$ 352.00
$ 352.00 - $ 352.00
$ 352.00
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 %
$ 387.00
$ 387.00 - $ 387.00
$ 387.00
$ 310.00
$ 310.00 - $ 310.00
$ 310.00

Foster 50FS, 1/2" Straight-Thru Coupler x 1/2" Female NPT, FST Series, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 50FS is a brass 1/2" straight-thru couple...

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$ 387.00
$ 387.00 - $ 387.00
$ 387.00
$ 310.00
$ 310.00 - $ 310.00
$ 310.00
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 %
$ 615.00
$ 615.00 - $ 615.00
$ 615.00
$ 492.00
$ 492.00 - $ 492.00
$ 492.00

Foster 50FPS, 1/2" Straight-Thru Plug x 1/2" Female NPT, FST Series, 303 Stainless Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 50FPS is a 303 stainless 1/2" straight-th...

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$ 615.00
$ 615.00 - $ 615.00
$ 615.00
$ 492.00
$ 492.00 - $ 492.00
$ 492.00
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 %
$ 145.00
$ 145.00 - $ 145.00
$ 145.00
$ 115.00
$ 115.00 - $ 115.00
$ 115.00

Foster 50FPB, 1/2" Straight-Thru Plug x 1/2" Female NPT, FST Series, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 50FPB is a brass 1/2" straight-thru plug ...

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$ 145.00
$ 145.00 - $ 145.00
$ 145.00
$ 115.00
$ 115.00 - $ 115.00
$ 115.00
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 %
$ 155.00
$ 155.00 - $ 155.00
$ 155.00
$ 124.00
$ 124.00 - $ 124.00
$ 124.00

Foster 50FP, 1/2" Straight-Thru Plug x 1/2" Female NPT, FST Series, Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 50FP is a steel 1/2" straight-thru plug i...

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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 19% Save %
$ 154.00
$ 154.00 - $ 154.00
$ 154.00
$ 124.00
$ 124.00 - $ 124.00
$ 124.00

Foster 38HPB, 3/8" Straight-Thru Plug x 3/8" Hose ID, FST Series, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 38HPB is a brass 3/8" straight-thru plug ...

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$ 154.00
$ 154.00 - $ 154.00
$ 154.00
$ 124.00
$ 124.00 - $ 124.00
$ 124.00
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 %
$ 1,235.00
$ 1,235.00 - $ 1,235.00
$ 1,235.00
$ 988.00
$ 988.00 - $ 988.00
$ 988.00

Foster 38FSS-103, 3/8" Straight-Thru Coupler x 3/8" Female NPT, FST Series, EPDM Seal, 303 Stainless Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 38FSS-103 is a 303 stainless 3/8" straigh...

View full details
$ 1,235.00
$ 1,235.00 - $ 1,235.00
$ 1,235.00
$ 988.00
$ 988.00 - $ 988.00
$ 988.00
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 %
$ 1,242.00
$ 1,242.00 - $ 1,242.00
$ 1,242.00
$ 993.00
$ 993.00 - $ 993.00
$ 993.00

Foster 38FSS-101, 3/8" Straight-Thru Coupler x 3/8" Female NPT, FST Series, Viton Seal, 303 Stainless Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 38FSS-101 is a 303 stainless 3/8" straigh...

View full details
$ 1,242.00
$ 1,242.00 - $ 1,242.00
$ 1,242.00
$ 993.00
$ 993.00 - $ 993.00
$ 993.00
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 %
$ 1,234.00
$ 1,234.00 - $ 1,234.00
$ 1,234.00
$ 986.00
$ 986.00 - $ 986.00
$ 986.00

Foster 38FSS, 3/8" Straight-Thru Coupler x 3/8" Female NPT, FST Series, 303 Stainless Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 38FSS is a 303 stainless 3/8" straight-th...

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$ 1,234.00
$ 1,234.00 - $ 1,234.00
$ 1,234.00
$ 986.00
$ 986.00 - $ 986.00
$ 986.00
Save 20% Save %

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