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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 %
$ 2,156.00
$ 2,156.00 - $ 2,156.00
$ 2,156.00
$ 1,725.00
$ 1,725.00 - $ 1,725.00
$ 1,725.00

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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$ 2,156.00
$ 2,156.00 - $ 2,156.00
$ 2,156.00
$ 1,725.00
$ 1,725.00 - $ 1,725.00
$ 1,725.00
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 %
$ 2,124.00
$ 2,124.00 - $ 2,124.00
$ 2,124.00
$ 1,699.00
$ 1,699.00 - $ 1,699.00
$ 1,699.00

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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$ 2,124.00
$ 2,124.00 - $ 2,124.00
$ 2,124.00
$ 1,699.00
$ 1,699.00 - $ 1,699.00
$ 1,699.00
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 %
$ 2,059.00
$ 2,059.00 - $ 2,059.00
$ 2,059.00
$ 1,648.00
$ 1,648.00 - $ 1,648.00
$ 1,648.00

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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$ 2,059.00
$ 2,059.00 - $ 2,059.00
$ 2,059.00
$ 1,648.00
$ 1,648.00 - $ 1,648.00
$ 1,648.00
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 %
$ 727.00
$ 727.00 - $ 727.00
$ 727.00
$ 583.00
$ 583.00 - $ 583.00
$ 583.00

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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$ 727.00
$ 727.00 - $ 727.00
$ 727.00
$ 583.00
$ 583.00 - $ 583.00
$ 583.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 699.00
$ 699.00 - $ 699.00
$ 699.00
$ 560.00
$ 560.00 - $ 560.00
$ 560.00

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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$ 699.00
$ 699.00 - $ 699.00
$ 699.00
$ 560.00
$ 560.00 - $ 560.00
$ 560.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 711.00
$ 711.00 - $ 711.00
$ 711.00
$ 569.00
$ 569.00 - $ 569.00
$ 569.00

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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$ 711.00
$ 711.00 - $ 711.00
$ 711.00
$ 569.00
$ 569.00 - $ 569.00
$ 569.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 627.00
$ 627.00 - $ 627.00
$ 627.00
$ 502.00
$ 502.00 - $ 502.00
$ 502.00

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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$ 627.00
$ 627.00 - $ 627.00
$ 627.00
$ 502.00
$ 502.00 - $ 502.00
$ 502.00
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 %
$ 866.00
$ 866.00 - $ 866.00
$ 866.00
$ 692.00
$ 692.00 - $ 692.00
$ 692.00

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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$ 866.00
$ 866.00 - $ 866.00
$ 866.00
$ 692.00
$ 692.00 - $ 692.00
$ 692.00
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 %
$ 270.00
$ 270.00 - $ 270.00
$ 270.00
$ 217.00
$ 217.00 - $ 217.00
$ 217.00

Foster 75FPB, 3/4" Straight-Thru Plug 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 75FPB is a brass 3/4" straight-thru plug ...

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$ 270.00
$ 270.00 - $ 270.00
$ 270.00
$ 217.00
$ 217.00 - $ 217.00
$ 217.00
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 %
$ 217.00
$ 217.00 - $ 217.00
$ 217.00
$ 173.00
$ 173.00 - $ 173.00
$ 173.00

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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$ 217.00
$ 217.00 - $ 217.00
$ 217.00
$ 173.00
$ 173.00 - $ 173.00
$ 173.00
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 %
$ 1,447.00
$ 1,447.00 - $ 1,447.00
$ 1,447.00
$ 1,158.00
$ 1,158.00 - $ 1,158.00
$ 1,158.00

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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$ 1,447.00
$ 1,447.00 - $ 1,447.00
$ 1,447.00
$ 1,158.00
$ 1,158.00 - $ 1,158.00
$ 1,158.00
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 %
$ 1,422.00
$ 1,422.00 - $ 1,422.00
$ 1,422.00
$ 1,139.00
$ 1,139.00 - $ 1,139.00
$ 1,139.00

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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$ 1,422.00
$ 1,422.00 - $ 1,422.00
$ 1,422.00
$ 1,139.00
$ 1,139.00 - $ 1,139.00
$ 1,139.00
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 %
$ 1,373.00
$ 1,373.00 - $ 1,373.00
$ 1,373.00
$ 1,098.00
$ 1,098.00 - $ 1,098.00
$ 1,098.00

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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$ 1,373.00
$ 1,373.00 - $ 1,373.00
$ 1,373.00
$ 1,098.00
$ 1,098.00 - $ 1,098.00
$ 1,098.00
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 %
$ 437.00
$ 437.00 - $ 437.00
$ 437.00
$ 351.00
$ 351.00 - $ 351.00
$ 351.00

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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$ 437.00
$ 437.00 - $ 437.00
$ 437.00
$ 351.00
$ 351.00 - $ 351.00
$ 351.00
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 %
$ 444.00
$ 444.00 - $ 444.00
$ 444.00
$ 356.00
$ 356.00 - $ 356.00
$ 356.00

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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$ 444.00
$ 444.00 - $ 444.00
$ 444.00
$ 356.00
$ 356.00 - $ 356.00
$ 356.00
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 %
$ 391.00
$ 391.00 - $ 391.00
$ 391.00
$ 314.00
$ 314.00 - $ 314.00
$ 314.00

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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$ 391.00
$ 391.00 - $ 391.00
$ 391.00
$ 314.00
$ 314.00 - $ 314.00
$ 314.00
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 %
$ 622.00
$ 622.00 - $ 622.00
$ 622.00
$ 497.00
$ 497.00 - $ 497.00
$ 497.00

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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$ 622.00
$ 622.00 - $ 622.00
$ 622.00
$ 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 21% Save %
$ 146.00
$ 146.00 - $ 146.00
$ 146.00
$ 116.00
$ 116.00 - $ 116.00
$ 116.00

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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$ 146.00
$ 146.00 - $ 146.00
$ 146.00
$ 116.00
$ 116.00 - $ 116.00
$ 116.00
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 %
$ 157.00
$ 157.00 - $ 157.00
$ 157.00
$ 125.00
$ 125.00 - $ 125.00
$ 125.00

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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$ 157.00
$ 157.00 - $ 157.00
$ 157.00
$ 125.00
$ 125.00 - $ 125.00
$ 125.00
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 %
$ 155.00
$ 155.00 - $ 155.00
$ 155.00
$ 125.00
$ 125.00 - $ 125.00
$ 125.00

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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$ 155.00
$ 155.00 - $ 155.00
$ 155.00
$ 125.00
$ 125.00 - $ 125.00
$ 125.00
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 %
$ 1,248.00
$ 1,248.00 - $ 1,248.00
$ 1,248.00
$ 998.00
$ 998.00 - $ 998.00
$ 998.00

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
$ 1,248.00
$ 1,248.00 - $ 1,248.00
$ 1,248.00
$ 998.00
$ 998.00 - $ 998.00
$ 998.00
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 %
$ 1,255.00
$ 1,255.00 - $ 1,255.00
$ 1,255.00
$ 1,003.00
$ 1,003.00 - $ 1,003.00
$ 1,003.00

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
$ 1,255.00
$ 1,255.00 - $ 1,255.00
$ 1,255.00
$ 1,003.00
$ 1,003.00 - $ 1,003.00
$ 1,003.00
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 %
$ 1,246.00
$ 1,246.00 - $ 1,246.00
$ 1,246.00
$ 996.00
$ 996.00 - $ 996.00
$ 996.00

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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$ 1,246.00
$ 1,246.00 - $ 1,246.00
$ 1,246.00
$ 996.00
$ 996.00 - $ 996.00
$ 996.00
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 %
$ 324.00
$ 324.00 - $ 324.00
$ 324.00
$ 259.00
$ 259.00 - $ 259.00
$ 259.00

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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$ 324.00
$ 324.00 - $ 324.00
$ 324.00
$ 259.00
$ 259.00 - $ 259.00
$ 259.00
Save 20% Save %

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