Skip to content
Fall Ready Sale15% off everything through Nov 15FALLREADY15Tap to apply at checkout →
15% off through Nov 15FALLREADY15Tap to apply →

Foster

Filters

Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 382.00
$ 382.00 - $ 382.00
$ 382.00
$ 305.00
$ 305.00 - $ 305.00
$ 305.00

Foster K3S-102, 3/8" ISO-B Hydraulic Plug x 3/8" 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 K3S-102 is a steel 3/8" plug in the FHK S...

View full details
$ 382.00
$ 382.00 - $ 382.00
$ 382.00
$ 305.00
$ 305.00 - $ 305.00
$ 305.00
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 %
$ 373.00
$ 373.00 - $ 373.00
$ 373.00
$ 298.00
$ 298.00 - $ 298.00
$ 298.00

Foster K3S-103, 3/8" ISO-B Hydraulic Plug x 3/8" 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 K3S-103 is a steel 3/8" plug in the FHK S...

View full details
$ 373.00
$ 373.00 - $ 373.00
$ 373.00
$ 298.00
$ 298.00 - $ 298.00
$ 298.00
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 %
$ 386.00
$ 386.00 - $ 386.00
$ 386.00
$ 309.00
$ 309.00 - $ 309.00
$ 309.00

Foster K3S-104, 3/8" ISO-B Hydraulic Plug x 3/8" Female NPT, ISO-B Series, Silicone Seal, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K3S-104 is a steel 3/8" plug in the FHK S...

View full details
$ 386.00
$ 386.00 - $ 386.00
$ 386.00
$ 309.00
$ 309.00 - $ 309.00
$ 309.00
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 %
$ 764.00
$ 764.00 - $ 764.00
$ 764.00
$ 612.00
$ 612.00 - $ 612.00
$ 612.00

Foster K3S/S, 3/8" ISO-B Hydraulic Plug x 3/8" 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 K3S/S is a 303 stainless 3/8" plug in the...

View full details
$ 764.00
$ 764.00 - $ 764.00
$ 764.00
$ 612.00
$ 612.00 - $ 612.00
$ 612.00
Save 20% Save %
Save 20% Save %
$ 764.00
$ 764.00 - $ 764.00
$ 764.00
$ 612.00
$ 612.00 - $ 612.00
$ 612.00

Foster K3S/S, FHK Series, ISO B, 3/8" Two Way Shut-off, Plug, Stainless Steel

Series: FHK Part Number: K3S/S Interchange: ISO B 7241-1 Plug Body: 3/8" Valved Thread: 3/8" Female NPT, FPT Material: Stainless Steel Quantity: 1

$ 764.00
$ 764.00 - $ 764.00
$ 764.00
$ 612.00
$ 612.00 - $ 612.00
$ 612.00
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 %
$ 849.00
$ 849.00 - $ 849.00
$ 849.00
$ 678.00
$ 678.00 - $ 678.00
$ 678.00

Foster K3S/S-101, 3/8" ISO-B Hydraulic Plug x 3/8" 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 K3S/S-101 is a 303 stainless 3/8" plug in...

View full details
$ 849.00
$ 849.00 - $ 849.00
$ 849.00
$ 678.00
$ 678.00 - $ 678.00
$ 678.00
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 %
$ 845.00
$ 845.00 - $ 845.00
$ 845.00
$ 676.00
$ 676.00 - $ 676.00
$ 676.00

Foster K3S/S-103, 3/8" ISO-B Hydraulic Plug x 3/8" 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 K3S/S-103 is a 303 stainless 3/8" plug in...

View full details
$ 845.00
$ 845.00 - $ 845.00
$ 845.00
$ 676.00
$ 676.00 - $ 676.00
$ 676.00
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 %
$ 463.00
$ 463.00 - $ 463.00
$ 463.00
$ 371.00
$ 371.00 - $ 371.00
$ 371.00

Foster K3S8, 3/8" ISO-B Hydraulic Plug x 3/4"-16 SAE, ISO-B Series, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K3S8 is a steel 3/8" plug in the FHK Seri...

View full details
$ 463.00
$ 463.00 - $ 463.00
$ 463.00
$ 371.00
$ 371.00 - $ 371.00
$ 371.00
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 %
$ 313.00
$ 313.00 - $ 313.00
$ 313.00
$ 251.00
$ 251.00 - $ 251.00
$ 251.00

Foster K3SLV, 3/8" ISO-B Hydraulic Plug x 3/8" 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 K3SLV is a steel 3/8" plug in the FHK Ser...

View full details
$ 313.00
$ 313.00 - $ 313.00
$ 313.00
$ 251.00
$ 251.00 - $ 251.00
$ 251.00
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 %
$ 503.00
$ 503.00 - $ 503.00
$ 503.00
$ 403.00
$ 403.00 - $ 403.00
$ 403.00

Foster K4B, 1/2" ISO-B Hydraulic Plug x 1/2" Female NPT, ISO-B Series, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K4B is a brass 1/2" plug in the FHK Serie...

View full details
$ 503.00
$ 503.00 - $ 503.00
$ 503.00
$ 403.00
$ 403.00 - $ 403.00
$ 403.00
Save 20% Save %
Save 20% Save %
$ 503.00
$ 503.00 - $ 503.00
$ 503.00
$ 403.00
$ 403.00 - $ 403.00
$ 403.00

Foster K4B, FHK Series, ISO B, 1/2" Two Way Shut-off, Plug, Brass

Series: FHK Part Number: K4B Interchange: ISO B 7241-1 Plug Body: 1/2" Valved Thread: 1/2" Female NPT, FPT Material: Solid Brass Quantity: 1

$ 503.00
$ 503.00 - $ 503.00
$ 503.00
$ 403.00
$ 403.00 - $ 403.00
$ 403.00
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 %
$ 646.00
$ 646.00 - $ 646.00
$ 646.00
$ 518.00
$ 518.00 - $ 518.00
$ 518.00

Foster K4B-101, 1/2" ISO-B Hydraulic Plug x 1/2" 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 K4B-101 is a brass 1/2" plug in the FHK S...

View full details
$ 646.00
$ 646.00 - $ 646.00
$ 646.00
$ 518.00
$ 518.00 - $ 518.00
$ 518.00
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 %
$ 629.00
$ 629.00 - $ 629.00
$ 629.00
$ 505.00
$ 505.00 - $ 505.00
$ 505.00

Foster K4B-102, 1/2" ISO-B Hydraulic Plug x 1/2" Female NPT, ISO-B Series, Neoprene Seal, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K4B-102 is a brass 1/2" plug in the FHK S...

View full details
$ 629.00
$ 629.00 - $ 629.00
$ 629.00
$ 505.00
$ 505.00 - $ 505.00
$ 505.00
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 %
$ 606.00
$ 606.00 - $ 606.00
$ 606.00
$ 486.00
$ 486.00 - $ 486.00
$ 486.00

Foster K4B-103, 1/2" ISO-B Hydraulic Plug x 1/2" 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 K4B-103 is a brass 1/2" plug in the FHK S...

View full details
$ 606.00
$ 606.00 - $ 606.00
$ 606.00
$ 486.00
$ 486.00 - $ 486.00
$ 486.00
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 %
$ 521.00
$ 521.00 - $ 521.00
$ 521.00
$ 418.00
$ 418.00 - $ 418.00
$ 418.00

Foster K4BLV, 1/2" ISO-B Hydraulic Plug x 1/2" 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 K4BLV is a brass 1/2" plug in the FHK Ser...

View full details
$ 521.00
$ 521.00 - $ 521.00
$ 521.00
$ 418.00
$ 418.00 - $ 418.00
$ 418.00
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 %
$ 405.00
$ 405.00 - $ 405.00
$ 405.00
$ 324.00
$ 324.00 - $ 324.00
$ 324.00

Foster K4S, 1/2" ISO-B Hydraulic Plug x 1/2" Female NPT, ISO-B Series, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K4S is a steel 1/2" plug in the FHK Serie...

View full details
$ 405.00
$ 405.00 - $ 405.00
$ 405.00
$ 324.00
$ 324.00 - $ 324.00
$ 324.00
Save 20% Save %
Save 20% Save %
$ 405.00
$ 405.00 - $ 405.00
$ 405.00
$ 324.00
$ 324.00 - $ 324.00
$ 324.00

Foster K4S, FHK Series, ISO B, 1/2" Two Way Shut-off, Plug, Steel

Series: FHK Part Number: K4S Interchange: ISO B 7241-1 Plug Body: 1/2" Valved Thread: 1/2" Female NPT, FPT Material: Solid Steel Quantity: 1

$ 405.00
$ 405.00 - $ 405.00
$ 405.00
$ 324.00
$ 324.00 - $ 324.00
$ 324.00
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 %
$ 505.00
$ 505.00 - $ 505.00
$ 505.00
$ 405.00
$ 405.00 - $ 405.00
$ 405.00

Foster K4S-101, 1/2" ISO-B Hydraulic Plug x 1/2" 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 K4S-101 is a steel 1/2" plug in the FHK S...

View full details
$ 505.00
$ 505.00 - $ 505.00
$ 505.00
$ 405.00
$ 405.00 - $ 405.00
$ 405.00
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 %
$ 486.00
$ 486.00 - $ 486.00
$ 486.00
$ 388.00
$ 388.00 - $ 388.00
$ 388.00

Foster K4S-103, 1/2" ISO-B Hydraulic Plug x 1/2" 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 K4S-103 is a steel 1/2" plug in the FHK S...

View full details
$ 486.00
$ 486.00 - $ 486.00
$ 486.00
$ 388.00
$ 388.00 - $ 388.00
$ 388.00
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 %
$ 1,338.00
$ 1,338.00 - $ 1,338.00
$ 1,338.00
$ 1,071.00
$ 1,071.00 - $ 1,071.00
$ 1,071.00

Foster K4S/S, 1/2" ISO-B Hydraulic Plug x 1/2" 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 K4S/S is a 303 stainless 1/2" plug in the...

View full details
$ 1,338.00
$ 1,338.00 - $ 1,338.00
$ 1,338.00
$ 1,071.00
$ 1,071.00 - $ 1,071.00
$ 1,071.00
Save 20% Save %
Save 20% Save %
$ 1,338.00
$ 1,338.00 - $ 1,338.00
$ 1,338.00
$ 1,071.00
$ 1,071.00 - $ 1,071.00
$ 1,071.00

Foster K4S/S, FHK Series, ISO B, 1/2" Two Way Shut-off, Plug, Stainless Steel

Series: FHK Part Number: K4S/S Interchange: ISO B 7241-1 Plug Body: 1/2" Valved Thread: 1/2" Female NPT, FPT Material: Stainless Steel Quantity: 1

$ 1,338.00
$ 1,338.00 - $ 1,338.00
$ 1,338.00
$ 1,071.00
$ 1,071.00 - $ 1,071.00
$ 1,071.00
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 %
$ 1,447.00
$ 1,447.00 - $ 1,447.00
$ 1,447.00
$ 1,157.00
$ 1,157.00 - $ 1,157.00
$ 1,157.00

Foster K4S/S-101, 1/2" ISO-B Hydraulic Plug x 1/2" 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 K4S/S-101 is a 303 stainless 1/2" plug in...

View full details
$ 1,447.00
$ 1,447.00 - $ 1,447.00
$ 1,447.00
$ 1,157.00
$ 1,157.00 - $ 1,157.00
$ 1,157.00
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 %
$ 1,466.00
$ 1,466.00 - $ 1,466.00
$ 1,466.00
$ 1,172.00
$ 1,172.00 - $ 1,172.00
$ 1,172.00

Foster K4S/S-103, 1/2" ISO-B Hydraulic Plug x 1/2" 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 K4S/S-103 is a 303 stainless 1/2" plug in...

View full details
$ 1,466.00
$ 1,466.00 - $ 1,466.00
$ 1,466.00
$ 1,172.00
$ 1,172.00 - $ 1,172.00
$ 1,172.00
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 %
$ 1,364.00
$ 1,364.00 - $ 1,364.00
$ 1,364.00
$ 1,092.00
$ 1,092.00 - $ 1,092.00
$ 1,092.00

Foster K4S/SLV, 1/2" ISO-B Hydraulic Plug x 1/2" 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 K4S/SLV is a 303 stainless 1/2" plug in t...

View full details
$ 1,364.00
$ 1,364.00 - $ 1,364.00
$ 1,364.00
$ 1,092.00
$ 1,092.00 - $ 1,092.00
$ 1,092.00
Save 20% Save %

Request a Quote

Bulk and dealer pricing. Tell us what you need and we’ll reply within one business day.