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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 %
$ 879.00
$ 879.00 - $ 879.00
$ 879.00
$ 703.00
$ 703.00 - $ 703.00
$ 703.00

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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$ 879.00
$ 879.00 - $ 879.00
$ 879.00
$ 703.00
$ 703.00 - $ 703.00
$ 703.00
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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 %
$ 1,486.00
$ 1,486.00 - $ 1,486.00
$ 1,486.00
$ 1,190.00
$ 1,190.00 - $ 1,190.00
$ 1,190.00

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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$ 1,486.00
$ 1,486.00 - $ 1,486.00
$ 1,486.00
$ 1,190.00
$ 1,190.00 - $ 1,190.00
$ 1,190.00
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 %
$ 1,324.00
$ 1,324.00 - $ 1,324.00
$ 1,324.00
$ 1,060.00
$ 1,060.00 - $ 1,060.00
$ 1,060.00

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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$ 1,324.00
$ 1,324.00 - $ 1,324.00
$ 1,324.00
$ 1,060.00
$ 1,060.00 - $ 1,060.00
$ 1,060.00
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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 %
$ 472.00
$ 472.00 - $ 472.00
$ 472.00
$ 377.00
$ 377.00 - $ 377.00
$ 377.00

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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$ 472.00
$ 472.00 - $ 472.00
$ 472.00
$ 377.00
$ 377.00 - $ 377.00
$ 377.00
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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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$ 717.00
$ 717.00 - $ 717.00
$ 717.00
$ 574.00
$ 574.00 - $ 574.00
$ 574.00

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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$ 717.00
$ 717.00 - $ 717.00
$ 717.00
$ 574.00
$ 574.00 - $ 574.00
$ 574.00
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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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$ 569.00
$ 569.00 - $ 569.00
$ 569.00
$ 454.00
$ 454.00 - $ 454.00
$ 454.00

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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$ 569.00
$ 569.00 - $ 569.00
$ 569.00
$ 454.00
$ 454.00 - $ 454.00
$ 454.00
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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
$ 555.00
$ 555.00 - $ 555.00
$ 555.00

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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$ 692.00
$ 692.00 - $ 692.00
$ 692.00
$ 555.00
$ 555.00 - $ 555.00
$ 555.00
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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$ 530.00
$ 530.00 - $ 530.00
$ 530.00
$ 425.00
$ 425.00 - $ 425.00
$ 425.00

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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$ 530.00
$ 530.00 - $ 530.00
$ 530.00
$ 425.00
$ 425.00 - $ 425.00
$ 425.00
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 %
$ 454.00
$ 454.00 - $ 454.00
$ 454.00
$ 363.00
$ 363.00 - $ 363.00
$ 363.00

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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$ 454.00
$ 454.00 - $ 454.00
$ 454.00
$ 363.00
$ 363.00 - $ 363.00
$ 363.00
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 %
$ 1,394.00
$ 1,394.00 - $ 1,394.00
$ 1,394.00
$ 1,115.00
$ 1,115.00 - $ 1,115.00
$ 1,115.00

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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$ 1,394.00
$ 1,394.00 - $ 1,394.00
$ 1,394.00
$ 1,115.00
$ 1,115.00 - $ 1,115.00
$ 1,115.00
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 %
$ 2,296.00
$ 2,296.00 - $ 2,296.00
$ 2,296.00
$ 1,836.00
$ 1,836.00 - $ 1,836.00
$ 1,836.00

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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$ 2,296.00
$ 2,296.00 - $ 2,296.00
$ 2,296.00
$ 1,836.00
$ 1,836.00 - $ 1,836.00
$ 1,836.00
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 %
$ 826.00
$ 826.00 - $ 826.00
$ 826.00
$ 660.00
$ 660.00 - $ 660.00
$ 660.00

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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$ 826.00
$ 826.00 - $ 826.00
$ 826.00
$ 660.00
$ 660.00 - $ 660.00
$ 660.00
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 %
$ 1,576.00
$ 1,576.00 - $ 1,576.00
$ 1,576.00
$ 1,261.00
$ 1,261.00 - $ 1,261.00
$ 1,261.00

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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$ 1,576.00
$ 1,576.00 - $ 1,576.00
$ 1,576.00
$ 1,261.00
$ 1,261.00 - $ 1,261.00
$ 1,261.00
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 %
$ 544.00
$ 544.00 - $ 544.00
$ 544.00
$ 435.00
$ 435.00 - $ 435.00
$ 435.00

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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$ 544.00
$ 544.00 - $ 544.00
$ 544.00
$ 435.00
$ 435.00 - $ 435.00
$ 435.00
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 %
$ 421.00
$ 421.00 - $ 421.00
$ 421.00
$ 337.00
$ 337.00 - $ 337.00
$ 337.00

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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$ 421.00
$ 421.00 - $ 421.00
$ 421.00
$ 337.00
$ 337.00 - $ 337.00
$ 337.00
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 %
$ 1,294.00
$ 1,294.00 - $ 1,294.00
$ 1,294.00
$ 1,035.00
$ 1,035.00 - $ 1,035.00
$ 1,035.00

Foster BL25FSS, 1/4" Straight-Thru Coupler x 1/4" 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 BL25FSS is a 303 stainless 1/4" straight-...

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$ 1,294.00
$ 1,294.00 - $ 1,294.00
$ 1,294.00
$ 1,035.00
$ 1,035.00 - $ 1,035.00
$ 1,035.00
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 %
$ 363.00
$ 363.00 - $ 363.00
$ 363.00
$ 291.00
$ 291.00 - $ 291.00
$ 291.00

Foster BL25FS, 1/4" Straight-Thru Coupler x 1/4" 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 BL25FS is a brass 1/4" straight-thru coup...

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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 %
$ 5,304.00
$ 5,304.00 - $ 5,304.00
$ 5,304.00
$ 4,242.00
$ 4,242.00 - $ 4,242.00
$ 4,242.00

Foster BL150FS, 1-1/2" Straight-Thru Coupler x 1-1/2" 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 BL150FS is a brass 1-1/2" straight-thru c...

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$ 5,304.00
$ 5,304.00 - $ 5,304.00
$ 5,304.00
$ 4,242.00
$ 4,242.00 - $ 4,242.00
$ 4,242.00
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 %
$ 842.00
$ 842.00 - $ 842.00
$ 842.00
$ 673.00
$ 673.00 - $ 673.00
$ 673.00

Foster BL12FSS, 1/8" Straight-Thru Coupler x 1/8" 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 BL12FSS is a 303 stainless 1/8" straight-...

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$ 842.00
$ 842.00 - $ 842.00
$ 842.00
$ 673.00
$ 673.00 - $ 673.00
$ 673.00
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 %
$ 326.00
$ 326.00 - $ 326.00
$ 326.00
$ 261.00
$ 261.00 - $ 261.00
$ 261.00

Foster BL12FS, 1/8" Straight-Thru Coupler x 1/8" 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 BL12FS is a brass 1/8" straight-thru coup...

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$ 326.00
$ 326.00 - $ 326.00
$ 326.00
$ 261.00
$ 261.00 - $ 261.00
$ 261.00
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 %
$ 3,056.00
$ 3,056.00 - $ 3,056.00
$ 3,056.00
$ 2,445.00
$ 2,445.00 - $ 2,445.00
$ 2,445.00

Foster BL125FS, 1-1/4" Straight-Thru Coupler x 1-1/4" 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 BL125FS is a brass 1-1/4" straight-thru c...

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$ 3,056.00
$ 3,056.00 - $ 3,056.00
$ 3,056.00
$ 2,445.00
$ 2,445.00 - $ 2,445.00
$ 2,445.00
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 %
$ 3,324.00
$ 3,324.00 - $ 3,324.00
$ 3,324.00
$ 2,658.00
$ 2,658.00 - $ 2,658.00
$ 2,658.00

Foster BL100FSS, 1" Straight-Thru Coupler x 1" 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 BL100FSS is a 303 stainless 1" straight-t...

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$ 3,324.00
$ 3,324.00 - $ 3,324.00
$ 3,324.00
$ 2,658.00
$ 2,658.00 - $ 2,658.00
$ 2,658.00
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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$ 1,141.00
$ 1,141.00 - $ 1,141.00
$ 1,141.00
$ 912.00
$ 912.00 - $ 912.00
$ 912.00

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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$ 1,141.00
$ 1,141.00 - $ 1,141.00
$ 1,141.00
$ 912.00
$ 912.00 - $ 912.00
$ 912.00
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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$ 307.00
$ 307.00 - $ 307.00
$ 307.00
$ 245.00
$ 245.00 - $ 245.00
$ 245.00

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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$ 307.00
$ 307.00 - $ 307.00
$ 307.00
$ 245.00
$ 245.00 - $ 245.00
$ 245.00
Save 20% Save %

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