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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 %
$ 546.00
$ 546.00 - $ 546.00
$ 546.00
$ 437.00
$ 437.00 - $ 437.00
$ 437.00

Foster K1S/S-101, 1/8" ISO-B Hydraulic Plug x 1/8" Female NPT, ISO-B Series, Viton Seal, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K1S/S-101 is a 303 stainless 1/8" plug in...

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$ 546.00
$ 546.00 - $ 546.00
$ 546.00
$ 437.00
$ 437.00 - $ 437.00
$ 437.00
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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 %
$ 488.00
$ 488.00 - $ 488.00
$ 488.00
$ 391.00
$ 391.00 - $ 391.00
$ 391.00

Foster K1S/S, 1/8" ISO-B Hydraulic Plug x 1/8" Female NPT, ISO-B Series, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K1S/S is a 303 stainless 1/8" plug in the...

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$ 488.00
$ 488.00 - $ 488.00
$ 488.00
$ 391.00
$ 391.00 - $ 391.00
$ 391.00
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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 %
$ 162.00
$ 162.00 - $ 162.00
$ 162.00
$ 130.00
$ 130.00 - $ 130.00
$ 130.00

Foster K1S, 1/8" ISO-B Hydraulic Plug x 1/8" Female NPT, ISO-B Series, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K1S is a steel 1/8" plug in the FHK Serie...

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$ 162.00
$ 162.00 - $ 162.00
$ 162.00
$ 130.00
$ 130.00 - $ 130.00
$ 130.00
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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 %
$ 202.00
$ 202.00 - $ 202.00
$ 202.00
$ 162.00
$ 162.00 - $ 162.00
$ 162.00

Foster K1BLV, 1/8" ISO-B Hydraulic Plug x 1/8" Female NPT, ISO-B Series, Less Valve, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K1BLV is a brass 1/8" plug in the FHK Ser...

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$ 202.00
$ 202.00 - $ 202.00
$ 202.00
$ 162.00
$ 162.00 - $ 162.00
$ 162.00
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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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$ 254.00
$ 254.00 - $ 254.00
$ 254.00
$ 204.00
$ 204.00 - $ 204.00
$ 204.00

Foster K1B-103, 1/8" ISO-B Hydraulic Plug x 1/8" Female NPT, ISO-B Series, EPDM Seal, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K1B-103 is a brass 1/8" plug in the FHK S...

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$ 254.00
$ 254.00 - $ 254.00
$ 254.00
$ 204.00
$ 204.00 - $ 204.00
$ 204.00
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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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$ 269.00
$ 269.00 - $ 269.00
$ 269.00
$ 216.00
$ 216.00 - $ 216.00
$ 216.00

Foster K1B-101, 1/8" ISO-B Hydraulic Plug x 1/8" Female NPT, ISO-B Series, Viton Seal, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K1B-101 is a brass 1/8" plug in the FHK S...

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$ 269.00
$ 269.00 - $ 269.00
$ 269.00
$ 216.00
$ 216.00 - $ 216.00
$ 216.00
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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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$ 183.00
$ 183.00 - $ 183.00
$ 183.00
$ 147.00
$ 147.00 - $ 147.00
$ 147.00

Foster K1B, 1/8" ISO-B Hydraulic Plug x 1/8" Female NPT, ISO-B Series, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K1B is a brass 1/8" plug in the FHK Serie...

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$ 183.00
$ 183.00 - $ 183.00
$ 183.00
$ 147.00
$ 147.00 - $ 147.00
$ 147.00
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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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$ 2,105.00
$ 2,105.00 - $ 2,105.00
$ 2,105.00
$ 1,684.00
$ 1,684.00 - $ 1,684.00
$ 1,684.00

Foster H8SLV, 1" ISO-B Hydraulic Coupler x 1" Female NPT, ISO-B Series, Less Valve, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H8SLV is a steel 1" coupler in the FHK Se...

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$ 2,105.00
$ 2,105.00 - $ 2,105.00
$ 2,105.00
$ 1,684.00
$ 1,684.00 - $ 1,684.00
$ 1,684.00
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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$ 2,387.00
$ 2,387.00 - $ 2,387.00
$ 2,387.00
$ 1,910.00
$ 1,910.00 - $ 1,910.00
$ 1,910.00

Foster H8S16, 1" ISO-B Hydraulic Coupler x 15/16"-12 SAE, ISO-B Series, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H8S16 is a steel 1" coupler in the FHK Se...

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$ 2,387.00
$ 2,387.00 - $ 2,387.00
$ 2,387.00
$ 1,910.00
$ 1,910.00 - $ 1,910.00
$ 1,910.00
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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$ 2,400.00
$ 2,400.00 - $ 2,400.00
$ 2,400.00
$ 1,922.00
$ 1,922.00 - $ 1,922.00
$ 1,922.00

Foster H8S-101, 1" ISO-B Hydraulic Coupler x 1" Female NPT, ISO-B Series, Viton Seal, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H8S-101 is a steel 1" coupler in the FHK ...

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$ 2,400.00
$ 2,400.00 - $ 2,400.00
$ 2,400.00
$ 1,922.00
$ 1,922.00 - $ 1,922.00
$ 1,922.00
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 %
$ 7,631.00
$ 7,631.00 - $ 7,631.00
$ 7,631.00
$ 6,104.00
$ 6,104.00 - $ 6,104.00
$ 6,104.00

Foster H8S/S-103, 1" ISO-B Hydraulic Coupler x 1" Female NPT, ISO-B Series, EPDM Seal, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H8S/S-103 is a 303 stainless 1" coupler i...

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$ 7,631.00
$ 7,631.00 - $ 7,631.00
$ 7,631.00
$ 6,104.00
$ 6,104.00 - $ 6,104.00
$ 6,104.00
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 %
$ 7,713.00
$ 7,713.00 - $ 7,713.00
$ 7,713.00
$ 6,171.00
$ 6,171.00 - $ 6,171.00
$ 6,171.00

Foster H8S/S-101, 1" ISO-B Hydraulic Coupler x 1" Female NPT, ISO-B Series, Viton Seal, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H8S/S-101 is a 303 stainless 1" coupler i...

View full details
$ 7,713.00
$ 7,713.00 - $ 7,713.00
$ 7,713.00
$ 6,171.00
$ 6,171.00 - $ 6,171.00
$ 6,171.00
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 %
$ 7,275.00
$ 7,275.00 - $ 7,275.00
$ 7,275.00
$ 5,820.00
$ 5,820.00 - $ 5,820.00
$ 5,820.00

Foster H8S/S, 1" ISO-B Hydraulic Coupler x 1" Female NPT, ISO-B Series, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H8S/S is a 303 stainless 1" coupler in th...

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$ 7,275.00
$ 7,275.00 - $ 7,275.00
$ 7,275.00
$ 5,820.00
$ 5,820.00 - $ 5,820.00
$ 5,820.00
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 %
$ 2,065.00
$ 2,065.00 - $ 2,065.00
$ 2,065.00
$ 1,651.00
$ 1,651.00 - $ 1,651.00
$ 1,651.00

Foster H8S, 1" ISO-B Hydraulic Coupler x 1" Female NPT, ISO-B Series, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H8S is a steel 1" coupler in the FHK Seri...

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$ 2,065.00
$ 2,065.00 - $ 2,065.00
$ 2,065.00
$ 1,651.00
$ 1,651.00 - $ 1,651.00
$ 1,651.00
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 %
$ 3,657.00
$ 3,657.00 - $ 3,657.00
$ 3,657.00
$ 2,925.00
$ 2,925.00 - $ 2,925.00
$ 2,925.00

Foster H8B-103, 1" ISO-B Hydraulic Coupler x 1" Female NPT, ISO-B Series, EPDM Seal, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H8B-103 is a brass 1" coupler in the FHK ...

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$ 3,657.00
$ 3,657.00 - $ 3,657.00
$ 3,657.00
$ 2,925.00
$ 2,925.00 - $ 2,925.00
$ 2,925.00
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 %
$ 3,611.00
$ 3,611.00 - $ 3,611.00
$ 3,611.00
$ 2,890.00
$ 2,890.00 - $ 2,890.00
$ 2,890.00

Foster H8B-101, 1" ISO-B Hydraulic Coupler x 1" Female NPT, ISO-B Series, Viton Seal, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H8B-101 is a brass 1" coupler in the FHK ...

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$ 3,611.00
$ 3,611.00 - $ 3,611.00
$ 3,611.00
$ 2,890.00
$ 2,890.00 - $ 2,890.00
$ 2,890.00
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 %
$ 3,262.00
$ 3,262.00 - $ 3,262.00
$ 3,262.00
$ 2,610.00
$ 2,610.00 - $ 2,610.00
$ 2,610.00

Foster H8B, 1" ISO-B Hydraulic Coupler x 1" Female NPT, ISO-B Series, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H8B is a brass 1" coupler in the FHK Seri...

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$ 3,262.00
$ 3,262.00 - $ 3,262.00
$ 3,262.00
$ 2,610.00
$ 2,610.00 - $ 2,610.00
$ 2,610.00
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 %
$ 1,712.00
$ 1,712.00 - $ 1,712.00
$ 1,712.00
$ 1,369.00
$ 1,369.00 - $ 1,369.00
$ 1,369.00

Foster H6SLV, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, Less Valve, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H6SLV is a steel 3/4" coupler in the FHK ...

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$ 1,712.00
$ 1,712.00 - $ 1,712.00
$ 1,712.00
$ 1,369.00
$ 1,369.00 - $ 1,369.00
$ 1,369.00
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 %
$ 1,748.00
$ 1,748.00 - $ 1,748.00
$ 1,748.00
$ 1,400.00
$ 1,400.00 - $ 1,400.00
$ 1,400.00

Foster H6S12, 3/4" ISO-B Hydraulic Coupler x 1-1/16"-12 SAE, ISO-B Series, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H6S12 is a steel 3/4" coupler in the FHK ...

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$ 1,748.00
$ 1,748.00 - $ 1,748.00
$ 1,748.00
$ 1,400.00
$ 1,400.00 - $ 1,400.00
$ 1,400.00
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 %
$ 1,844.00
$ 1,844.00 - $ 1,844.00
$ 1,844.00
$ 1,476.00
$ 1,476.00 - $ 1,476.00
$ 1,476.00

Foster H6S-103, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, EPDM Seal, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H6S-103 is a steel 3/4" coupler in the FH...

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$ 1,844.00
$ 1,844.00 - $ 1,844.00
$ 1,844.00
$ 1,476.00
$ 1,476.00 - $ 1,476.00
$ 1,476.00
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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$ 1,880.00
$ 1,880.00 - $ 1,880.00
$ 1,880.00
$ 1,504.00
$ 1,504.00 - $ 1,504.00
$ 1,504.00

Foster H6S-102, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, Neoprene Seal, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H6S-102 is a steel 3/4" coupler in the FH...

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$ 1,880.00
$ 1,880.00 - $ 1,880.00
$ 1,880.00
$ 1,504.00
$ 1,504.00 - $ 1,504.00
$ 1,504.00
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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$ 1,895.00
$ 1,895.00 - $ 1,895.00
$ 1,895.00
$ 1,518.00
$ 1,518.00 - $ 1,518.00
$ 1,518.00

Foster H6S-101, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, Viton Seal, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H6S-101 is a steel 3/4" coupler in the FH...

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$ 1,895.00
$ 1,895.00 - $ 1,895.00
$ 1,895.00
$ 1,518.00
$ 1,518.00 - $ 1,518.00
$ 1,518.00
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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$ 5,010.00
$ 5,010.00 - $ 5,010.00
$ 5,010.00
$ 4,007.00
$ 4,007.00 - $ 4,007.00
$ 4,007.00

Foster H6S/SLV, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, Less Valve, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H6S/SLV is a 303 stainless 3/4" coupler i...

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$ 5,010.00
$ 5,010.00 - $ 5,010.00
$ 5,010.00
$ 4,007.00
$ 4,007.00 - $ 4,007.00
$ 4,007.00
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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$ 5,161.00
$ 5,161.00 - $ 5,161.00
$ 5,161.00
$ 4,129.00
$ 4,129.00 - $ 4,129.00
$ 4,129.00

Foster H6S/S-103, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, EPDM Seal, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H6S/S-103 is a 303 stainless 3/4" coupler...

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$ 5,161.00
$ 5,161.00 - $ 5,161.00
$ 5,161.00
$ 4,129.00
$ 4,129.00 - $ 4,129.00
$ 4,129.00
Save 20% Save %

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