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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 %
$ 147.00
$ 147.00 - $ 147.00
$ 147.00
$ 118.00
$ 118.00 - $ 118.00
$ 118.00

Foster FH22FB, 1/4" Snap-Tite H Interchange Plug x 1/4" Female NPT, FH Series, Brass

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster FH22FB is a brass 1/4" plug from the FH Series, which in...

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$ 147.00
$ 147.00 - $ 147.00
$ 147.00
$ 118.00
$ 118.00 - $ 118.00
$ 118.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 19% Save %
$ 159.00
$ 159.00 - $ 159.00
$ 159.00
$ 128.00
$ 128.00 - $ 128.00
$ 128.00

Foster FH22F, 1/4" Snap-Tite H Interchange Plug x 1/4" Female NPT, FH Series, Zinc-Plated Steel

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster FH22F is a zinc-plated steel 1/4" plug from the FH Serie...

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$ 159.00
$ 159.00 - $ 159.00
$ 159.00
$ 128.00
$ 128.00 - $ 128.00
$ 128.00
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 %
$ 315.00
$ 315.00 - $ 315.00
$ 315.00
$ 252.00
$ 252.00 - $ 252.00
$ 252.00

Foster FH21F, 1/4" Snap-Tite H Interchange Plug x 1/8" Female NPT, FH Series, Zinc-Plated Steel

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster FH21F is a zinc-plated steel 1/4" plug from the FH Serie...

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$ 315.00
$ 315.00 - $ 315.00
$ 315.00
$ 252.00
$ 252.00 - $ 252.00
$ 252.00
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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 %
$ 1,375.00
$ 1,375.00 - $ 1,375.00
$ 1,375.00
$ 1,098.00
$ 1,098.00 - $ 1,098.00
$ 1,098.00

Foster BLFHS4M4B, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, Ball Lock, Brass

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster BLFHS4M4B is a brass 1/2" coupler from the FH Series, wh...

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$ 1,375.00
$ 1,375.00 - $ 1,375.00
$ 1,375.00
$ 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
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$ 971.00
$ 971.00 - $ 971.00
$ 971.00
$ 776.00
$ 776.00 - $ 776.00
$ 776.00

Foster BLFHS4M4, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, Ball Lock, Zinc-Plated Steel

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster BLFHS4M4 is a zinc-plated steel 1/2" coupler from the FH...

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$ 971.00
$ 971.00 - $ 971.00
$ 971.00
$ 776.00
$ 776.00 - $ 776.00
$ 776.00
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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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$ 1,310.00
$ 1,310.00 - $ 1,310.00
$ 1,310.00
$ 1,047.00
$ 1,047.00 - $ 1,047.00
$ 1,047.00

Foster BLFHS4F4B, 1/2" Snap-Tite H Interchange Coupler x 1/2" Female NPT, FH Series, Ball Lock, Brass

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster BLFHS4F4B is a brass 1/2" coupler from the FH Series, wh...

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$ 1,310.00
$ 1,310.00 - $ 1,310.00
$ 1,310.00
$ 1,047.00
$ 1,047.00 - $ 1,047.00
$ 1,047.00
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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$ 932.00
$ 932.00 - $ 932.00
$ 932.00
$ 746.00
$ 746.00 - $ 746.00
$ 746.00

Foster BLFHS4F4, 1/2" Snap-Tite H Interchange Coupler x 1/2" Female NPT, FH Series, Ball Lock, Zinc-Plated Steel

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster BLFHS4F4 is a zinc-plated steel 1/2" coupler from the FH...

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$ 932.00
$ 932.00 - $ 932.00
$ 932.00
$ 746.00
$ 746.00 - $ 746.00
$ 746.00
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 %
$ 856.00
$ 856.00 - $ 856.00
$ 856.00
$ 685.00
$ 685.00 - $ 685.00
$ 685.00

Foster BLFHS4B, 1/2" Snap-Tite H Interchange Coupler x 1/2" Female NPT, FH Series, Ball Lock, Brass

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster BLFHS4B is a brass 1/2" coupler from the FH Series, whic...

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$ 856.00
$ 856.00 - $ 856.00
$ 856.00
$ 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 %
$ 578.00
$ 578.00 - $ 578.00
$ 578.00
$ 464.00
$ 464.00 - $ 464.00
$ 464.00

Foster BLFHS4, 1/2" Snap-Tite H Interchange Coupler x 1/2" Female NPT, FH Series, Ball Lock, Zinc-Plated Steel

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster BLFHS4 is a zinc-plated steel 1/2" coupler from the FH S...

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$ 578.00
$ 578.00 - $ 578.00
$ 578.00
$ 464.00
$ 464.00 - $ 464.00
$ 464.00
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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$ 952.00
$ 952.00 - $ 952.00
$ 952.00
$ 761.00
$ 761.00 - $ 761.00
$ 761.00

Foster BLFHS3M3B, 3/8" Snap-Tite H Interchange Coupler x 3/8" Male NPT, FH Series, Ball Lock, Brass

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster BLFHS3M3B is a brass 3/8" coupler from the FH Series, wh...

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$ 952.00
$ 952.00 - $ 952.00
$ 952.00
$ 761.00
$ 761.00 - $ 761.00
$ 761.00
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 %
$ 1,609.00
$ 1,609.00 - $ 1,609.00
$ 1,609.00
$ 1,289.00
$ 1,289.00 - $ 1,289.00
$ 1,289.00

Foster BLFHS3M3, 3/8" Snap-Tite H Interchange Coupler x 3/8" Male NPT, FH Series, Ball Lock, Zinc-Plated Steel

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster BLFHS3M3 is a zinc-plated steel 3/8" coupler from the FH...

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$ 1,609.00
$ 1,609.00 - $ 1,609.00
$ 1,609.00
$ 1,289.00
$ 1,289.00 - $ 1,289.00
$ 1,289.00
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 %
$ 1,434.00
$ 1,434.00 - $ 1,434.00
$ 1,434.00
$ 1,148.00
$ 1,148.00 - $ 1,148.00
$ 1,148.00

Foster BLFHS3F3, 3/8" Snap-Tite H Interchange Coupler x 3/8" Female NPT, FH Series, Ball Lock, Zinc-Plated Steel

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster BLFHS3F3 is a zinc-plated steel 3/8" coupler from the FH...

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$ 1,434.00
$ 1,434.00 - $ 1,434.00
$ 1,434.00
$ 1,148.00
$ 1,148.00 - $ 1,148.00
$ 1,148.00
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 %
$ 511.00
$ 511.00 - $ 511.00
$ 511.00
$ 408.00
$ 408.00 - $ 408.00
$ 408.00

Foster BLFHS3, 3/8" Snap-Tite H Interchange Coupler x 3/8" Female NPT, FH Series, Ball Lock, Zinc-Plated Steel

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster BLFHS3 is a zinc-plated steel 3/8" coupler from the FH S...

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$ 511.00
$ 511.00 - $ 511.00
$ 511.00
$ 408.00
$ 408.00 - $ 408.00
$ 408.00
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 %
$ 776.00
$ 776.00 - $ 776.00
$ 776.00
$ 622.00
$ 622.00 - $ 622.00
$ 622.00

Foster BLFHS2M2B, 1/4" Snap-Tite H Interchange Coupler x 1/4" Male NPT, FH Series, Ball Lock, Brass

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster BLFHS2M2B is a brass 1/4" coupler from the FH Series, wh...

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$ 776.00
$ 776.00 - $ 776.00
$ 776.00
$ 622.00
$ 622.00 - $ 622.00
$ 622.00
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 %
$ 616.00
$ 616.00 - $ 616.00
$ 616.00
$ 492.00
$ 492.00 - $ 492.00
$ 492.00

Foster BLFHS2M2, 1/4" Snap-Tite H Interchange Coupler x 1/4" Male NPT, FH Series, Ball Lock, Zinc-Plated Steel

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster BLFHS2M2 is a zinc-plated steel 1/4" coupler from the FH...

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$ 616.00
$ 616.00 - $ 616.00
$ 616.00
$ 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 20% Save %
$ 749.00
$ 749.00 - $ 749.00
$ 749.00
$ 601.00
$ 601.00 - $ 601.00
$ 601.00

Foster BLFHS2F2B, 1/4" Snap-Tite H Interchange Coupler x 1/4" Female NPT, FH Series, Ball Lock, Brass

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster BLFHS2F2B is a brass 1/4" coupler from the FH Series, wh...

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$ 749.00
$ 749.00 - $ 749.00
$ 749.00
$ 601.00
$ 601.00 - $ 601.00
$ 601.00
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 %
$ 574.00
$ 574.00 - $ 574.00
$ 574.00
$ 460.00
$ 460.00 - $ 460.00
$ 460.00

Foster BLFHS2F2, 1/4" Snap-Tite H Interchange Coupler x 1/4" Female NPT, FH Series, Ball Lock, Zinc-Plated Steel

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster BLFHS2F2 is a zinc-plated steel 1/4" coupler from the FH...

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$ 574.00
$ 574.00 - $ 574.00
$ 574.00
$ 460.00
$ 460.00 - $ 460.00
$ 460.00
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 %
$ 492.00
$ 492.00 - $ 492.00
$ 492.00
$ 393.00
$ 393.00 - $ 393.00
$ 393.00

Foster BLFHS2B, 1/4" Snap-Tite H Interchange Coupler x 1/4" Female NPT, FH Series, Ball Lock, Brass

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster BLFHS2B is a brass 1/4" coupler from the FH Series, whic...

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$ 492.00
$ 492.00 - $ 492.00
$ 492.00
$ 393.00
$ 393.00 - $ 393.00
$ 393.00
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 %
$ 1,510.00
$ 1,510.00 - $ 1,510.00
$ 1,510.00
$ 1,207.00
$ 1,207.00 - $ 1,207.00
$ 1,207.00

Foster BL38FSS, 3/8" Straight-Thru Coupler x 3/8" Female NPT, FST Series, Ball Lock, 303 Stainless Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster BL38FSS is a 303 stainless 3/8" straight-...

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$ 1,510.00
$ 1,510.00 - $ 1,510.00
$ 1,510.00
$ 1,207.00
$ 1,207.00 - $ 1,207.00
$ 1,207.00
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 %
$ 2,486.00
$ 2,486.00 - $ 2,486.00
$ 2,486.00
$ 1,989.00
$ 1,989.00 - $ 1,989.00
$ 1,989.00

Foster BL75FSS, 3/4" Straight-Thru Coupler x 3/4" Female NPT, FST Series, Ball Lock, 303 Stainless Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster BL75FSS is a 303 stainless 3/4" straight-...

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$ 2,486.00
$ 2,486.00 - $ 2,486.00
$ 2,486.00
$ 1,989.00
$ 1,989.00 - $ 1,989.00
$ 1,989.00
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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$ 894.00
$ 894.00 - $ 894.00
$ 894.00
$ 715.00
$ 715.00 - $ 715.00
$ 715.00

Foster BL75FS, 3/4" Straight-Thru Coupler x 3/4" 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 BL75FS is a brass 3/4" straight-thru coup...

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$ 894.00
$ 894.00 - $ 894.00
$ 894.00
$ 715.00
$ 715.00 - $ 715.00
$ 715.00
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 %
$ 1,706.00
$ 1,706.00 - $ 1,706.00
$ 1,706.00
$ 1,365.00
$ 1,365.00 - $ 1,365.00
$ 1,365.00

Foster BL50FSS, 1/2" Straight-Thru Coupler x 1/2" Female NPT, FST Series, Ball Lock, 303 Stainless Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster BL50FSS is a 303 stainless 1/2" straight-...

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$ 1,706.00
$ 1,706.00 - $ 1,706.00
$ 1,706.00
$ 1,365.00
$ 1,365.00 - $ 1,365.00
$ 1,365.00
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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$ 589.00
$ 589.00 - $ 589.00
$ 589.00
$ 471.00
$ 471.00 - $ 471.00
$ 471.00

Foster BL50FS, 1/2" Straight-Thru Coupler x 1/2" 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 BL50FS is a brass 1/2" straight-thru coup...

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$ 589.00
$ 589.00 - $ 589.00
$ 589.00
$ 471.00
$ 471.00 - $ 471.00
$ 471.00
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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$ 456.00
$ 456.00 - $ 456.00
$ 456.00
$ 364.00
$ 364.00 - $ 364.00
$ 364.00

Foster BL38FS, 3/8" Straight-Thru Coupler x 3/8" 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 BL38FS is a brass 3/8" straight-thru coup...

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$ 456.00
$ 456.00 - $ 456.00
$ 456.00
$ 364.00
$ 364.00 - $ 364.00
$ 364.00
Save 20% Save %

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