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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 %
$ 321.00
$ 321.00 - $ 321.00
$ 321.00
$ 256.00
$ 256.00 - $ 256.00
$ 256.00

Foster 38FS-103, 3/8" Straight-Thru Coupler x 3/8" 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 38FS-103 is a brass 3/8" straight-thru co...

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$ 321.00
$ 321.00 - $ 321.00
$ 321.00
$ 256.00
$ 256.00 - $ 256.00
$ 256.00
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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 %
$ 335.00
$ 335.00 - $ 335.00
$ 335.00
$ 267.00
$ 267.00 - $ 267.00
$ 267.00

Foster 38FS-101, 3/8" Straight-Thru Coupler x 3/8" 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 38FS-101 is a brass 3/8" straight-thru co...

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$ 335.00
$ 335.00 - $ 335.00
$ 335.00
$ 267.00
$ 267.00 - $ 267.00
$ 267.00
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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 %
$ 276.00
$ 276.00 - $ 276.00
$ 276.00
$ 222.00
$ 222.00 - $ 222.00
$ 222.00

Foster 38FS, 3/8" Straight-Thru Coupler x 3/8" Female NPT, FST Series, Brass

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

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$ 276.00
$ 276.00 - $ 276.00
$ 276.00
$ 222.00
$ 222.00 - $ 222.00
$ 222.00
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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 %
$ 457.00
$ 457.00 - $ 457.00
$ 457.00
$ 366.00
$ 366.00 - $ 366.00
$ 366.00

Foster 38FPS, 3/8" Straight-Thru Plug 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 38FPS is a 303 stainless 3/8" straight-th...

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$ 457.00
$ 457.00 - $ 457.00
$ 457.00
$ 366.00
$ 366.00 - $ 366.00
$ 366.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 21% Save %
$ 124.00
$ 124.00 - $ 124.00
$ 124.00
$ 98.00
$ 98.00 - $ 98.00
$ 98.00

Foster 38FPB, 3/8" Straight-Thru Plug x 3/8" Female NPT, FST Series, Brass

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

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$ 124.00
$ 124.00 - $ 124.00
$ 124.00
$ 98.00
$ 98.00 - $ 98.00
$ 98.00
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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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$ 100.00
$ 100.00 - $ 100.00
$ 100.00
$ 79.00
$ 79.00 - $ 79.00
$ 79.00

Foster 38FP, 3/8" Straight-Thru Plug x 3/8" Female NPT, FST Series, Steel

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

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$ 100.00
$ 100.00 - $ 100.00
$ 100.00
$ 79.00
$ 79.00 - $ 79.00
$ 79.00
Save 21% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 155.00
$ 155.00 - $ 155.00
$ 155.00
$ 124.00
$ 124.00 - $ 124.00
$ 124.00

Foster 25HP, 1/4" Straight-Thru Plug x 1/4" Hose ID, FST Series, Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 25HP is a steel 1/4" straight-thru plug i...

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$ 155.00
$ 155.00 - $ 155.00
$ 155.00
$ 124.00
$ 124.00 - $ 124.00
$ 124.00
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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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$ 1,176.00
$ 1,176.00 - $ 1,176.00
$ 1,176.00
$ 941.00
$ 941.00 - $ 941.00
$ 941.00

Foster 25FSS-103, 1/4" Straight-Thru Coupler x 1/4" 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 25FSS-103 is a 303 stainless 1/4" straigh...

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$ 1,176.00
$ 1,176.00 - $ 1,176.00
$ 1,176.00
$ 941.00
$ 941.00 - $ 941.00
$ 941.00
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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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$ 1,181.00
$ 1,181.00 - $ 1,181.00
$ 1,181.00
$ 946.00
$ 946.00 - $ 946.00
$ 946.00

Foster 25FSS-101, 1/4" Straight-Thru Coupler x 1/4" 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 25FSS-101 is a 303 stainless 1/4" straigh...

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$ 1,181.00
$ 1,181.00 - $ 1,181.00
$ 1,181.00
$ 946.00
$ 946.00 - $ 946.00
$ 946.00
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 %
$ 1,124.00
$ 1,124.00 - $ 1,124.00
$ 1,124.00
$ 899.00
$ 899.00 - $ 899.00
$ 899.00

Foster 25FSS, 1/4" Straight-Thru Coupler x 1/4" 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 25FSS is a 303 stainless 1/4" straight-th...

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$ 1,124.00
$ 1,124.00 - $ 1,124.00
$ 1,124.00
$ 899.00
$ 899.00 - $ 899.00
$ 899.00
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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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$ 284.00
$ 284.00 - $ 284.00
$ 284.00
$ 227.00
$ 227.00 - $ 227.00
$ 227.00

Foster 25FS-101, 1/4" Straight-Thru Coupler x 1/4" 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 25FS-101 is a brass 1/4" straight-thru co...

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$ 284.00
$ 284.00 - $ 284.00
$ 284.00
$ 227.00
$ 227.00 - $ 227.00
$ 227.00
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 %
$ 229.00
$ 229.00 - $ 229.00
$ 229.00
$ 181.00
$ 181.00 - $ 181.00
$ 181.00

Foster 25FS, 1/4" Straight-Thru Coupler x 1/4" Female NPT, FST Series, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 25FS is a brass 1/4" straight-thru couple...

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$ 229.00
$ 229.00 - $ 229.00
$ 229.00
$ 181.00
$ 181.00 - $ 181.00
$ 181.00
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 %
$ 363.00
$ 363.00 - $ 363.00
$ 363.00
$ 291.00
$ 291.00 - $ 291.00
$ 291.00

Foster 25FPS, 1/4" Straight-Thru Plug x 1/4" 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 25FPS is a 303 stainless 1/4" straight-th...

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$ 363.00
$ 363.00 - $ 363.00
$ 363.00
$ 291.00
$ 291.00 - $ 291.00
$ 291.00
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 %
$ 107.00
$ 107.00 - $ 107.00
$ 107.00
$ 86.00
$ 86.00 - $ 86.00
$ 86.00

Foster 25FPB, 1/4" Straight-Thru Plug x 1/4" Female NPT, FST Series, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 25FPB is a brass 1/4" straight-thru plug ...

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$ 107.00
$ 107.00 - $ 107.00
$ 107.00
$ 86.00
$ 86.00 - $ 86.00
$ 86.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 18% Save %
$ 82.00
$ 82.00 - $ 82.00
$ 82.00
$ 67.00
$ 67.00 - $ 67.00
$ 67.00

Foster 25FP, 1/4" Straight-Thru Plug x 1/4" Female NPT, FST Series, Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 25FP is a steel 1/4" straight-thru plug i...

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$ 82.00
$ 82.00 - $ 82.00
$ 82.00
$ 67.00
$ 67.00 - $ 67.00
$ 67.00
Save 18% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 4,875.00
$ 4,875.00 - $ 4,875.00
$ 4,875.00
$ 3,901.00
$ 3,901.00 - $ 3,901.00
$ 3,901.00

Foster 150FS, 1-1/2" Straight-Thru Coupler x 1-1/2" Female NPT, FST Series, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 150FS is a brass 1-1/2" straight-thru cou...

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$ 4,875.00
$ 4,875.00 - $ 4,875.00
$ 4,875.00
$ 3,901.00
$ 3,901.00 - $ 3,901.00
$ 3,901.00
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 %
$ 1,765.00
$ 1,765.00 - $ 1,765.00
$ 1,765.00
$ 1,411.00
$ 1,411.00 - $ 1,411.00
$ 1,411.00

Foster 150FPB, 1-1/2" Straight-Thru Plug x 1-1/2" Female NPT, FST Series, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 150FPB is a brass 1-1/2" straight-thru pl...

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$ 1,765.00
$ 1,765.00 - $ 1,765.00
$ 1,765.00
$ 1,411.00
$ 1,411.00 - $ 1,411.00
$ 1,411.00
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 %
$ 1,364.00
$ 1,364.00 - $ 1,364.00
$ 1,364.00
$ 1,091.00
$ 1,091.00 - $ 1,091.00
$ 1,091.00

Foster 150FP, 1-1/2" Straight-Thru Plug x 1-1/2" Female NPT, FST Series, Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 150FP is a steel 1-1/2" straight-thru plu...

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$ 1,364.00
$ 1,364.00 - $ 1,364.00
$ 1,364.00
$ 1,091.00
$ 1,091.00 - $ 1,091.00
$ 1,091.00
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 12FSS-103, 1/8" Straight-Thru Coupler x 1/8" 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 12FSS-103 is a 303 stainless 1/8" straigh...

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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 %
$ 720.00
$ 720.00 - $ 720.00
$ 720.00
$ 577.00
$ 577.00 - $ 577.00
$ 577.00

Foster 12FSS-101, 1/8" Straight-Thru Coupler x 1/8" 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 12FSS-101 is a 303 stainless 1/8" straigh...

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$ 720.00
$ 720.00 - $ 720.00
$ 720.00
$ 577.00
$ 577.00 - $ 577.00
$ 577.00
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 %
$ 675.00
$ 675.00 - $ 675.00
$ 675.00
$ 539.00
$ 539.00 - $ 539.00
$ 539.00

Foster 12FSS, 1/8" Straight-Thru Coupler x 1/8" 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 12FSS is a 303 stainless 1/8" straight-th...

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$ 675.00
$ 675.00 - $ 675.00
$ 675.00
$ 539.00
$ 539.00 - $ 539.00
$ 539.00
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 %
$ 239.00
$ 239.00 - $ 239.00
$ 239.00
$ 192.00
$ 192.00 - $ 192.00
$ 192.00

Foster 12FS-101, 1/8" Straight-Thru Coupler x 1/8" 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 12FS-101 is a brass 1/8" straight-thru co...

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$ 239.00
$ 239.00 - $ 239.00
$ 239.00
$ 192.00
$ 192.00 - $ 192.00
$ 192.00
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 %
$ 194.00
$ 194.00 - $ 194.00
$ 194.00
$ 155.00
$ 155.00 - $ 155.00
$ 155.00

Foster 12FS, 1/8" Straight-Thru Coupler x 1/8" Female NPT, FST Series, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 12FS is a brass 1/8" straight-thru couple...

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$ 194.00
$ 194.00 - $ 194.00
$ 194.00
$ 155.00
$ 155.00 - $ 155.00
$ 155.00
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 %
$ 314.00
$ 314.00 - $ 314.00
$ 314.00
$ 251.00
$ 251.00 - $ 251.00
$ 251.00

Foster 12FPS, 1/8" Straight-Thru Plug x 1/8" 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 12FPS is a 303 stainless 1/8" straight-th...

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$ 314.00
$ 314.00 - $ 314.00
$ 314.00
$ 251.00
$ 251.00 - $ 251.00
$ 251.00
Save 20% Save %

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