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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 %
$ 234.00
$ 234.00 - $ 234.00
$ 234.00
$ 188.00
$ 188.00 - $ 188.00
$ 188.00

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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$ 234.00
$ 234.00 - $ 234.00
$ 234.00
$ 188.00
$ 188.00 - $ 188.00
$ 188.00
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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 %
$ 248.00
$ 248.00 - $ 248.00
$ 248.00
$ 199.00
$ 199.00 - $ 199.00
$ 199.00

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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$ 248.00
$ 248.00 - $ 248.00
$ 248.00
$ 199.00
$ 199.00 - $ 199.00
$ 199.00
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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 %
$ 169.00
$ 169.00 - $ 169.00
$ 169.00
$ 136.00
$ 136.00 - $ 136.00
$ 136.00

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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$ 169.00
$ 169.00 - $ 169.00
$ 169.00
$ 136.00
$ 136.00 - $ 136.00
$ 136.00
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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 %
$ 1,941.00
$ 1,941.00 - $ 1,941.00
$ 1,941.00
$ 1,553.00
$ 1,553.00 - $ 1,553.00
$ 1,553.00

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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$ 1,941.00
$ 1,941.00 - $ 1,941.00
$ 1,941.00
$ 1,553.00
$ 1,553.00 - $ 1,553.00
$ 1,553.00
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 %
$ 2,201.00
$ 2,201.00 - $ 2,201.00
$ 2,201.00
$ 1,762.00
$ 1,762.00 - $ 1,762.00
$ 1,762.00

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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$ 2,201.00
$ 2,201.00 - $ 2,201.00
$ 2,201.00
$ 1,762.00
$ 1,762.00 - $ 1,762.00
$ 1,762.00
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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$ 2,214.00
$ 2,214.00 - $ 2,214.00
$ 2,214.00
$ 1,772.00
$ 1,772.00 - $ 1,772.00
$ 1,772.00

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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$ 2,214.00
$ 2,214.00 - $ 2,214.00
$ 2,214.00
$ 1,772.00
$ 1,772.00 - $ 1,772.00
$ 1,772.00
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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 %
$ 7,038.00
$ 7,038.00 - $ 7,038.00
$ 7,038.00
$ 5,630.00
$ 5,630.00 - $ 5,630.00
$ 5,630.00

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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$ 7,038.00
$ 7,038.00 - $ 7,038.00
$ 7,038.00
$ 5,630.00
$ 5,630.00 - $ 5,630.00
$ 5,630.00
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 %
$ 7,113.00
$ 7,113.00 - $ 7,113.00
$ 7,113.00
$ 5,691.00
$ 5,691.00 - $ 5,691.00
$ 5,691.00

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...

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$ 7,113.00
$ 7,113.00 - $ 7,113.00
$ 7,113.00
$ 5,691.00
$ 5,691.00 - $ 5,691.00
$ 5,691.00
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 %
$ 6,709.00
$ 6,709.00 - $ 6,709.00
$ 6,709.00
$ 5,368.00
$ 5,368.00 - $ 5,368.00
$ 5,368.00

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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$ 6,709.00
$ 6,709.00 - $ 6,709.00
$ 6,709.00
$ 5,368.00
$ 5,368.00 - $ 5,368.00
$ 5,368.00
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 %
$ 1,904.00
$ 1,904.00 - $ 1,904.00
$ 1,904.00
$ 1,523.00
$ 1,523.00 - $ 1,523.00
$ 1,523.00

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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$ 1,904.00
$ 1,904.00 - $ 1,904.00
$ 1,904.00
$ 1,523.00
$ 1,523.00 - $ 1,523.00
$ 1,523.00
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 %
$ 3,372.00
$ 3,372.00 - $ 3,372.00
$ 3,372.00
$ 2,697.00
$ 2,697.00 - $ 2,697.00
$ 2,697.00

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 ...

View full details
$ 3,372.00
$ 3,372.00 - $ 3,372.00
$ 3,372.00
$ 2,697.00
$ 2,697.00 - $ 2,697.00
$ 2,697.00
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 %
$ 3,330.00
$ 3,330.00 - $ 3,330.00
$ 3,330.00
$ 2,666.00
$ 2,666.00 - $ 2,666.00
$ 2,666.00

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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$ 3,330.00
$ 3,330.00 - $ 3,330.00
$ 3,330.00
$ 2,666.00
$ 2,666.00 - $ 2,666.00
$ 2,666.00
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 %
$ 3,008.00
$ 3,008.00 - $ 3,008.00
$ 3,008.00
$ 2,407.00
$ 2,407.00 - $ 2,407.00
$ 2,407.00

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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$ 3,008.00
$ 3,008.00 - $ 3,008.00
$ 3,008.00
$ 2,407.00
$ 2,407.00 - $ 2,407.00
$ 2,407.00
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 %
$ 1,579.00
$ 1,579.00 - $ 1,579.00
$ 1,579.00
$ 1,263.00
$ 1,263.00 - $ 1,263.00
$ 1,263.00

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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$ 1,579.00
$ 1,579.00 - $ 1,579.00
$ 1,579.00
$ 1,263.00
$ 1,263.00 - $ 1,263.00
$ 1,263.00
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 %
$ 1,612.00
$ 1,612.00 - $ 1,612.00
$ 1,612.00
$ 1,291.00
$ 1,291.00 - $ 1,291.00
$ 1,291.00

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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$ 1,612.00
$ 1,612.00 - $ 1,612.00
$ 1,612.00
$ 1,291.00
$ 1,291.00 - $ 1,291.00
$ 1,291.00
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 %
$ 1,700.00
$ 1,700.00 - $ 1,700.00
$ 1,700.00
$ 1,361.00
$ 1,361.00 - $ 1,361.00
$ 1,361.00

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...

View full details
$ 1,700.00
$ 1,700.00 - $ 1,700.00
$ 1,700.00
$ 1,361.00
$ 1,361.00 - $ 1,361.00
$ 1,361.00
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 %
$ 1,734.00
$ 1,734.00 - $ 1,734.00
$ 1,734.00
$ 1,387.00
$ 1,387.00 - $ 1,387.00
$ 1,387.00

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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$ 1,734.00
$ 1,734.00 - $ 1,734.00
$ 1,734.00
$ 1,387.00
$ 1,387.00 - $ 1,387.00
$ 1,387.00
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 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...

View full details
$ 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 %
$ 4,621.00
$ 4,621.00 - $ 4,621.00
$ 4,621.00
$ 3,696.00
$ 3,696.00 - $ 3,696.00
$ 3,696.00

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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$ 4,621.00
$ 4,621.00 - $ 4,621.00
$ 4,621.00
$ 3,696.00
$ 3,696.00 - $ 3,696.00
$ 3,696.00
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 %
$ 4,759.00
$ 4,759.00 - $ 4,759.00
$ 4,759.00
$ 3,808.00
$ 3,808.00 - $ 3,808.00
$ 3,808.00

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...

View full details
$ 4,759.00
$ 4,759.00 - $ 4,759.00
$ 4,759.00
$ 3,808.00
$ 3,808.00 - $ 3,808.00
$ 3,808.00
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 %
$ 4,809.00
$ 4,809.00 - $ 4,809.00
$ 4,809.00
$ 3,847.00
$ 3,847.00 - $ 3,847.00
$ 3,847.00

Foster H6S/S-101, 3/4" ISO-B Hydraulic Coupler x 3/4" 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 H6S/S-101 is a 303 stainless 3/4" coupler...

View full details
$ 4,809.00
$ 4,809.00 - $ 4,809.00
$ 4,809.00
$ 3,847.00
$ 3,847.00 - $ 3,847.00
$ 3,847.00
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 %
$ 4,533.00
$ 4,533.00 - $ 4,533.00
$ 4,533.00
$ 3,625.00
$ 3,625.00 - $ 3,625.00
$ 3,625.00

Foster H6S/S, 3/4" ISO-B Hydraulic Coupler x 3/4" 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 H6S/S is a 303 stainless 3/4" coupler in ...

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$ 4,533.00
$ 4,533.00 - $ 4,533.00
$ 4,533.00
$ 3,625.00
$ 3,625.00 - $ 3,625.00
$ 3,625.00
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 %
$ 1,549.00
$ 1,549.00 - $ 1,549.00
$ 1,549.00
$ 1,240.00
$ 1,240.00 - $ 1,240.00
$ 1,240.00

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

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

View full details
$ 1,549.00
$ 1,549.00 - $ 1,549.00
$ 1,549.00
$ 1,240.00
$ 1,240.00 - $ 1,240.00
$ 1,240.00
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 %
$ 2,263.00
$ 2,263.00 - $ 2,263.00
$ 2,263.00
$ 1,811.00
$ 1,811.00 - $ 1,811.00
$ 1,811.00

Foster H6B-104, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, Silicone Seal, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H6B-104 is a brass 3/4" coupler in the FH...

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$ 2,263.00
$ 2,263.00 - $ 2,263.00
$ 2,263.00
$ 1,811.00
$ 1,811.00 - $ 1,811.00
$ 1,811.00
Save 20% Save %

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