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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 %
$ 183.00
$ 183.00 - $ 183.00
$ 183.00
$ 147.00
$ 147.00 - $ 147.00
$ 147.00

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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$ 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 Save 20% Save %
$ 230.00
$ 230.00 - $ 230.00
$ 230.00
$ 185.00
$ 185.00 - $ 185.00
$ 185.00

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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$ 230.00
$ 230.00 - $ 230.00
$ 230.00
$ 185.00
$ 185.00 - $ 185.00
$ 185.00
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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 %
$ 244.00
$ 244.00 - $ 244.00
$ 244.00
$ 195.00
$ 195.00 - $ 195.00
$ 195.00

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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$ 244.00
$ 244.00 - $ 244.00
$ 244.00
$ 195.00
$ 195.00 - $ 195.00
$ 195.00
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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 %
$ 166.00
$ 166.00 - $ 166.00
$ 166.00
$ 133.00
$ 133.00 - $ 133.00
$ 133.00

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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$ 166.00
$ 166.00 - $ 166.00
$ 166.00
$ 133.00
$ 133.00 - $ 133.00
$ 133.00
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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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$ 1,905.00
$ 1,905.00 - $ 1,905.00
$ 1,905.00
$ 1,524.00
$ 1,524.00 - $ 1,524.00
$ 1,524.00

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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$ 1,905.00
$ 1,905.00 - $ 1,905.00
$ 1,905.00
$ 1,524.00
$ 1,524.00 - $ 1,524.00
$ 1,524.00
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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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$ 2,161.00
$ 2,161.00 - $ 2,161.00
$ 2,161.00
$ 1,729.00
$ 1,729.00 - $ 1,729.00
$ 1,729.00

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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$ 2,161.00
$ 2,161.00 - $ 2,161.00
$ 2,161.00
$ 1,729.00
$ 1,729.00 - $ 1,729.00
$ 1,729.00
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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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$ 2,173.00
$ 2,173.00 - $ 2,173.00
$ 2,173.00
$ 1,740.00
$ 1,740.00 - $ 1,740.00
$ 1,740.00

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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$ 2,173.00
$ 2,173.00 - $ 2,173.00
$ 2,173.00
$ 1,740.00
$ 1,740.00 - $ 1,740.00
$ 1,740.00
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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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$ 6,908.00
$ 6,908.00 - $ 6,908.00
$ 6,908.00
$ 5,526.00
$ 5,526.00 - $ 5,526.00
$ 5,526.00

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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$ 6,908.00
$ 6,908.00 - $ 6,908.00
$ 6,908.00
$ 5,526.00
$ 5,526.00 - $ 5,526.00
$ 5,526.00
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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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$ 6,982.00
$ 6,982.00 - $ 6,982.00
$ 6,982.00
$ 5,586.00
$ 5,586.00 - $ 5,586.00
$ 5,586.00

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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$ 6,982.00
$ 6,982.00 - $ 6,982.00
$ 6,982.00
$ 5,586.00
$ 5,586.00 - $ 5,586.00
$ 5,586.00
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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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$ 6,585.00
$ 6,585.00 - $ 6,585.00
$ 6,585.00
$ 5,268.00
$ 5,268.00 - $ 5,268.00
$ 5,268.00

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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$ 6,585.00
$ 6,585.00 - $ 6,585.00
$ 6,585.00
$ 5,268.00
$ 5,268.00 - $ 5,268.00
$ 5,268.00
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 %
$ 1,869.00
$ 1,869.00 - $ 1,869.00
$ 1,869.00
$ 1,495.00
$ 1,495.00 - $ 1,495.00
$ 1,495.00

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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$ 1,869.00
$ 1,869.00 - $ 1,869.00
$ 1,869.00
$ 1,495.00
$ 1,495.00 - $ 1,495.00
$ 1,495.00
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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 %
$ 3,310.00
$ 3,310.00 - $ 3,310.00
$ 3,310.00
$ 2,647.00
$ 2,647.00 - $ 2,647.00
$ 2,647.00

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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$ 3,310.00
$ 3,310.00 - $ 3,310.00
$ 3,310.00
$ 2,647.00
$ 2,647.00 - $ 2,647.00
$ 2,647.00
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 %
$ 3,269.00
$ 3,269.00 - $ 3,269.00
$ 3,269.00
$ 2,616.00
$ 2,616.00 - $ 2,616.00
$ 2,616.00

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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$ 3,269.00
$ 3,269.00 - $ 3,269.00
$ 3,269.00
$ 2,616.00
$ 2,616.00 - $ 2,616.00
$ 2,616.00
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 %
$ 2,953.00
$ 2,953.00 - $ 2,953.00
$ 2,953.00
$ 2,363.00
$ 2,363.00 - $ 2,363.00
$ 2,363.00

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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$ 2,953.00
$ 2,953.00 - $ 2,953.00
$ 2,953.00
$ 2,363.00
$ 2,363.00 - $ 2,363.00
$ 2,363.00
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 %
$ 1,550.00
$ 1,550.00 - $ 1,550.00
$ 1,550.00
$ 1,239.00
$ 1,239.00 - $ 1,239.00
$ 1,239.00

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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$ 1,550.00
$ 1,550.00 - $ 1,550.00
$ 1,550.00
$ 1,239.00
$ 1,239.00 - $ 1,239.00
$ 1,239.00
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 %
$ 1,583.00
$ 1,583.00 - $ 1,583.00
$ 1,583.00
$ 1,267.00
$ 1,267.00 - $ 1,267.00
$ 1,267.00

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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$ 1,583.00
$ 1,583.00 - $ 1,583.00
$ 1,583.00
$ 1,267.00
$ 1,267.00 - $ 1,267.00
$ 1,267.00
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 %
$ 1,669.00
$ 1,669.00 - $ 1,669.00
$ 1,669.00
$ 1,336.00
$ 1,336.00 - $ 1,336.00
$ 1,336.00

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
$ 1,669.00
$ 1,669.00 - $ 1,669.00
$ 1,669.00
$ 1,336.00
$ 1,336.00 - $ 1,336.00
$ 1,336.00
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 %
$ 1,702.00
$ 1,702.00 - $ 1,702.00
$ 1,702.00
$ 1,362.00
$ 1,362.00 - $ 1,362.00
$ 1,362.00

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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$ 1,702.00
$ 1,702.00 - $ 1,702.00
$ 1,702.00
$ 1,362.00
$ 1,362.00 - $ 1,362.00
$ 1,362.00
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 %
$ 1,716.00
$ 1,716.00 - $ 1,716.00
$ 1,716.00
$ 1,374.00
$ 1,374.00 - $ 1,374.00
$ 1,374.00

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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$ 1,716.00
$ 1,716.00 - $ 1,716.00
$ 1,716.00
$ 1,374.00
$ 1,374.00 - $ 1,374.00
$ 1,374.00
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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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$ 4,535.00
$ 4,535.00 - $ 4,535.00
$ 4,535.00
$ 3,627.00
$ 3,627.00 - $ 3,627.00
$ 3,627.00

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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$ 4,535.00
$ 4,535.00 - $ 4,535.00
$ 4,535.00
$ 3,627.00
$ 3,627.00 - $ 3,627.00
$ 3,627.00
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 %
$ 4,671.00
$ 4,671.00 - $ 4,671.00
$ 4,671.00
$ 3,738.00
$ 3,738.00 - $ 3,738.00
$ 3,738.00

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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$ 4,671.00
$ 4,671.00 - $ 4,671.00
$ 4,671.00
$ 3,738.00
$ 3,738.00 - $ 3,738.00
$ 3,738.00
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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$ 4,720.00
$ 4,720.00 - $ 4,720.00
$ 4,720.00
$ 3,776.00
$ 3,776.00 - $ 3,776.00
$ 3,776.00

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...

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$ 4,720.00
$ 4,720.00 - $ 4,720.00
$ 4,720.00
$ 3,776.00
$ 3,776.00 - $ 3,776.00
$ 3,776.00
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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$ 4,449.00
$ 4,449.00 - $ 4,449.00
$ 4,449.00
$ 3,558.00
$ 3,558.00 - $ 3,558.00
$ 3,558.00

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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$ 4,449.00
$ 4,449.00 - $ 4,449.00
$ 4,449.00
$ 3,558.00
$ 3,558.00 - $ 3,558.00
$ 3,558.00
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 %
$ 1,521.00
$ 1,521.00 - $ 1,521.00
$ 1,521.00
$ 1,217.00
$ 1,217.00 - $ 1,217.00
$ 1,217.00

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...

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$ 1,521.00
$ 1,521.00 - $ 1,521.00
$ 1,521.00
$ 1,217.00
$ 1,217.00 - $ 1,217.00
$ 1,217.00
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