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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 21% Save %
$ 159.00
$ 159.00 - $ 159.00
$ 159.00
$ 126.00
$ 126.00 - $ 126.00
$ 126.00

Foster 50FPB, 1/2" Straight-Thru Plug x 1/2" Female NPT, FST Series, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 50FPB is a brass 1/2" straight-thru plug ...

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$ 159.00
$ 159.00 - $ 159.00
$ 159.00
$ 126.00
$ 126.00 - $ 126.00
$ 126.00
Save 21% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 170.00
$ 170.00 - $ 170.00
$ 170.00
$ 136.00
$ 136.00 - $ 136.00
$ 136.00

Foster 50FP, 1/2" Straight-Thru Plug x 1/2" Female NPT, FST Series, Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 50FP is a steel 1/2" straight-thru plug i...

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$ 170.00
$ 170.00 - $ 170.00
$ 170.00
$ 136.00
$ 136.00 - $ 136.00
$ 136.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 19% Save %
$ 168.00
$ 168.00 - $ 168.00
$ 168.00
$ 136.00
$ 136.00 - $ 136.00
$ 136.00

Foster 38HPB, 3/8" Straight-Thru Plug x 3/8" Hose ID, FST Series, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 38HPB is a brass 3/8" straight-thru plug ...

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$ 168.00
$ 168.00 - $ 168.00
$ 168.00
$ 136.00
$ 136.00 - $ 136.00
$ 136.00
Save 19% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 1,352.00
$ 1,352.00 - $ 1,352.00
$ 1,352.00
$ 1,081.00
$ 1,081.00 - $ 1,081.00
$ 1,081.00

Foster 38FSS-103, 3/8" Straight-Thru Coupler x 3/8" Female NPT, FST Series, EPDM Seal, 303 Stainless Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 38FSS-103 is a 303 stainless 3/8" straigh...

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$ 1,352.00
$ 1,352.00 - $ 1,352.00
$ 1,352.00
$ 1,081.00
$ 1,081.00 - $ 1,081.00
$ 1,081.00
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 %
$ 1,359.00
$ 1,359.00 - $ 1,359.00
$ 1,359.00
$ 1,087.00
$ 1,087.00 - $ 1,087.00
$ 1,087.00

Foster 38FSS-101, 3/8" Straight-Thru Coupler x 3/8" Female NPT, FST Series, Viton Seal, 303 Stainless Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 38FSS-101 is a 303 stainless 3/8" straigh...

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$ 1,359.00
$ 1,359.00 - $ 1,359.00
$ 1,359.00
$ 1,087.00
$ 1,087.00 - $ 1,087.00
$ 1,087.00
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 %
$ 1,350.00
$ 1,350.00 - $ 1,350.00
$ 1,350.00
$ 1,079.00
$ 1,079.00 - $ 1,079.00
$ 1,079.00

Foster 38FSS, 3/8" Straight-Thru Coupler x 3/8" Female NPT, FST Series, 303 Stainless Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 38FSS is a 303 stainless 3/8" straight-th...

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$ 1,350.00
$ 1,350.00 - $ 1,350.00
$ 1,350.00
$ 1,079.00
$ 1,079.00 - $ 1,079.00
$ 1,079.00
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 %
$ 351.00
$ 351.00 - $ 351.00
$ 351.00
$ 281.00
$ 281.00 - $ 281.00
$ 281.00

Foster 38FS-103, 3/8" Straight-Thru Coupler x 3/8" Female NPT, FST Series, EPDM Seal, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 38FS-103 is a brass 3/8" straight-thru co...

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$ 351.00
$ 351.00 - $ 351.00
$ 351.00
$ 281.00
$ 281.00 - $ 281.00
$ 281.00
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 %
$ 366.00
$ 366.00 - $ 366.00
$ 366.00
$ 292.00
$ 292.00 - $ 292.00
$ 292.00

Foster 38FS-101, 3/8" Straight-Thru Coupler x 3/8" Female NPT, FST Series, Viton Seal, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 38FS-101 is a brass 3/8" straight-thru co...

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$ 366.00
$ 366.00 - $ 366.00
$ 366.00
$ 292.00
$ 292.00 - $ 292.00
$ 292.00
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 %
$ 302.00
$ 302.00 - $ 302.00
$ 302.00
$ 242.00
$ 242.00 - $ 242.00
$ 242.00

Foster 38FS, 3/8" Straight-Thru Coupler x 3/8" Female NPT, FST Series, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 38FS is a brass 3/8" straight-thru couple...

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$ 302.00
$ 302.00 - $ 302.00
$ 302.00
$ 242.00
$ 242.00 - $ 242.00
$ 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 %
$ 500.00
$ 500.00 - $ 500.00
$ 500.00
$ 401.00
$ 401.00 - $ 401.00
$ 401.00

Foster 38FPS, 3/8" Straight-Thru Plug x 3/8" Female NPT, FST Series, 303 Stainless Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 38FPS is a 303 stainless 3/8" straight-th...

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$ 500.00
$ 500.00 - $ 500.00
$ 500.00
$ 401.00
$ 401.00 - $ 401.00
$ 401.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 21% Save %
$ 136.00
$ 136.00 - $ 136.00
$ 136.00
$ 107.00
$ 107.00 - $ 107.00
$ 107.00

Foster 38FPB, 3/8" Straight-Thru Plug x 3/8" Female NPT, FST Series, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 38FPB is a brass 3/8" straight-thru plug ...

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$ 136.00
$ 136.00 - $ 136.00
$ 136.00
$ 107.00
$ 107.00 - $ 107.00
$ 107.00
Save 21% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 21% Save %
$ 109.00
$ 109.00 - $ 109.00
$ 109.00
$ 86.00
$ 86.00 - $ 86.00
$ 86.00

Foster 38FP, 3/8" Straight-Thru Plug x 3/8" Female NPT, FST Series, Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 38FP is a steel 3/8" straight-thru plug i...

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$ 109.00
$ 109.00 - $ 109.00
$ 109.00
$ 86.00
$ 86.00 - $ 86.00
$ 86.00
Save 21% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 170.00
$ 170.00 - $ 170.00
$ 170.00
$ 136.00
$ 136.00 - $ 136.00
$ 136.00

Foster 25HP, 1/4" Straight-Thru Plug x 1/4" Hose ID, FST Series, Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 25HP is a steel 1/4" straight-thru plug i...

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$ 170.00
$ 170.00 - $ 170.00
$ 170.00
$ 136.00
$ 136.00 - $ 136.00
$ 136.00
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 %
$ 1,287.00
$ 1,287.00 - $ 1,287.00
$ 1,287.00
$ 1,030.00
$ 1,030.00 - $ 1,030.00
$ 1,030.00

Foster 25FSS-103, 1/4" Straight-Thru Coupler x 1/4" Female NPT, FST Series, EPDM Seal, 303 Stainless Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 25FSS-103 is a 303 stainless 1/4" straigh...

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$ 1,287.00
$ 1,287.00 - $ 1,287.00
$ 1,287.00
$ 1,030.00
$ 1,030.00 - $ 1,030.00
$ 1,030.00
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 %
$ 1,293.00
$ 1,293.00 - $ 1,293.00
$ 1,293.00
$ 1,035.00
$ 1,035.00 - $ 1,035.00
$ 1,035.00

Foster 25FSS-101, 1/4" Straight-Thru Coupler x 1/4" Female NPT, FST Series, Viton Seal, 303 Stainless Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 25FSS-101 is a 303 stainless 1/4" straigh...

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$ 1,293.00
$ 1,293.00 - $ 1,293.00
$ 1,293.00
$ 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 %
$ 1,230.00
$ 1,230.00 - $ 1,230.00
$ 1,230.00
$ 984.00
$ 984.00 - $ 984.00
$ 984.00

Foster 25FSS, 1/4" Straight-Thru Coupler x 1/4" Female NPT, FST Series, 303 Stainless Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 25FSS is a 303 stainless 1/4" straight-th...

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$ 1,230.00
$ 1,230.00 - $ 1,230.00
$ 1,230.00
$ 984.00
$ 984.00 - $ 984.00
$ 984.00
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 %
$ 311.00
$ 311.00 - $ 311.00
$ 311.00
$ 248.00
$ 248.00 - $ 248.00
$ 248.00

Foster 25FS-101, 1/4" Straight-Thru Coupler x 1/4" Female NPT, FST Series, Viton Seal, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 25FS-101 is a brass 1/4" straight-thru co...

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$ 311.00
$ 311.00 - $ 311.00
$ 311.00
$ 248.00
$ 248.00 - $ 248.00
$ 248.00
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 %
$ 250.00
$ 250.00 - $ 250.00
$ 250.00
$ 199.00
$ 199.00 - $ 199.00
$ 199.00

Foster 25FS, 1/4" Straight-Thru Coupler x 1/4" Female NPT, FST Series, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 25FS is a brass 1/4" straight-thru couple...

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$ 250.00
$ 250.00 - $ 250.00
$ 250.00
$ 199.00
$ 199.00 - $ 199.00
$ 199.00
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 %
$ 397.00
$ 397.00 - $ 397.00
$ 397.00
$ 319.00
$ 319.00 - $ 319.00
$ 319.00

Foster 25FPS, 1/4" Straight-Thru Plug x 1/4" Female NPT, FST Series, 303 Stainless Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 25FPS is a 303 stainless 1/4" straight-th...

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$ 397.00
$ 397.00 - $ 397.00
$ 397.00
$ 319.00
$ 319.00 - $ 319.00
$ 319.00
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 %
$ 117.00
$ 117.00 - $ 117.00
$ 117.00
$ 94.00
$ 94.00 - $ 94.00
$ 94.00

Foster 25FPB, 1/4" Straight-Thru Plug x 1/4" Female NPT, FST Series, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 25FPB is a brass 1/4" straight-thru plug ...

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$ 117.00
$ 117.00 - $ 117.00
$ 117.00
$ 94.00
$ 94.00 - $ 94.00
$ 94.00
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 %
$ 5,334.00
$ 5,334.00 - $ 5,334.00
$ 5,334.00
$ 4,269.00
$ 4,269.00 - $ 4,269.00
$ 4,269.00

Foster 150FS, 1-1/2" Straight-Thru Coupler x 1-1/2" Female NPT, FST Series, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 150FS is a brass 1-1/2" straight-thru cou...

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$ 5,334.00
$ 5,334.00 - $ 5,334.00
$ 5,334.00
$ 4,269.00
$ 4,269.00 - $ 4,269.00
$ 4,269.00
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 %
$ 1,931.00
$ 1,931.00 - $ 1,931.00
$ 1,931.00
$ 1,544.00
$ 1,544.00 - $ 1,544.00
$ 1,544.00

Foster 150FPB, 1-1/2" Straight-Thru Plug x 1-1/2" Female NPT, FST Series, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 150FPB is a brass 1-1/2" straight-thru pl...

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$ 1,931.00
$ 1,931.00 - $ 1,931.00
$ 1,931.00
$ 1,544.00
$ 1,544.00 - $ 1,544.00
$ 1,544.00
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 %
$ 1,493.00
$ 1,493.00 - $ 1,493.00
$ 1,493.00
$ 1,194.00
$ 1,194.00 - $ 1,194.00
$ 1,194.00

Foster 150FP, 1-1/2" Straight-Thru Plug x 1-1/2" Female NPT, FST Series, Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 150FP is a steel 1-1/2" straight-thru plu...

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$ 1,493.00
$ 1,493.00 - $ 1,493.00
$ 1,493.00
$ 1,194.00
$ 1,194.00 - $ 1,194.00
$ 1,194.00
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 %
$ 782.00
$ 782.00 - $ 782.00
$ 782.00
$ 626.00
$ 626.00 - $ 626.00
$ 626.00

Foster 12FSS-103, 1/8" Straight-Thru Coupler x 1/8" Female NPT, FST Series, EPDM Seal, 303 Stainless Steel

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 12FSS-103 is a 303 stainless 1/8" straigh...

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$ 782.00
$ 782.00 - $ 782.00
$ 782.00
$ 626.00
$ 626.00 - $ 626.00
$ 626.00
Save 20% Save %

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