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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 %
$ 338.00
$ 338.00 - $ 338.00
$ 338.00
$ 270.00
$ 270.00 - $ 270.00
$ 270.00

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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$ 338.00
$ 338.00 - $ 338.00
$ 338.00
$ 270.00
$ 270.00 - $ 270.00
$ 270.00
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 %
$ 278.00
$ 278.00 - $ 278.00
$ 278.00
$ 224.00
$ 224.00 - $ 224.00
$ 224.00

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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$ 278.00
$ 278.00 - $ 278.00
$ 278.00
$ 224.00
$ 224.00 - $ 224.00
$ 224.00
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 %
$ 461.00
$ 461.00 - $ 461.00
$ 461.00
$ 370.00
$ 370.00 - $ 370.00
$ 370.00

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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$ 461.00
$ 461.00 - $ 461.00
$ 461.00
$ 370.00
$ 370.00 - $ 370.00
$ 370.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 21% Save %
$ 125.00
$ 125.00 - $ 125.00
$ 125.00
$ 99.00
$ 99.00 - $ 99.00
$ 99.00

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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$ 125.00
$ 125.00 - $ 125.00
$ 125.00
$ 99.00
$ 99.00 - $ 99.00
$ 99.00
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 %
$ 101.00
$ 101.00 - $ 101.00
$ 101.00
$ 80.00
$ 80.00 - $ 80.00
$ 80.00

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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$ 101.00
$ 101.00 - $ 101.00
$ 101.00
$ 80.00
$ 80.00 - $ 80.00
$ 80.00
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 %
$ 157.00
$ 157.00 - $ 157.00
$ 157.00
$ 125.00
$ 125.00 - $ 125.00
$ 125.00

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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$ 157.00
$ 157.00 - $ 157.00
$ 157.00
$ 125.00
$ 125.00 - $ 125.00
$ 125.00
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 %
$ 1,188.00
$ 1,188.00 - $ 1,188.00
$ 1,188.00
$ 951.00
$ 951.00 - $ 951.00
$ 951.00

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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$ 1,188.00
$ 1,188.00 - $ 1,188.00
$ 1,188.00
$ 951.00
$ 951.00 - $ 951.00
$ 951.00
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 %
$ 1,193.00
$ 1,193.00 - $ 1,193.00
$ 1,193.00
$ 956.00
$ 956.00 - $ 956.00
$ 956.00

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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$ 1,193.00
$ 1,193.00 - $ 1,193.00
$ 1,193.00
$ 956.00
$ 956.00 - $ 956.00
$ 956.00
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 %
$ 1,135.00
$ 1,135.00 - $ 1,135.00
$ 1,135.00
$ 908.00
$ 908.00 - $ 908.00
$ 908.00

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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$ 1,135.00
$ 1,135.00 - $ 1,135.00
$ 1,135.00
$ 908.00
$ 908.00 - $ 908.00
$ 908.00
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 %
$ 287.00
$ 287.00 - $ 287.00
$ 287.00
$ 229.00
$ 229.00 - $ 229.00
$ 229.00

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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$ 287.00
$ 287.00 - $ 287.00
$ 287.00
$ 229.00
$ 229.00 - $ 229.00
$ 229.00
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 %
$ 231.00
$ 231.00 - $ 231.00
$ 231.00
$ 183.00
$ 183.00 - $ 183.00
$ 183.00

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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$ 231.00
$ 231.00 - $ 231.00
$ 231.00
$ 183.00
$ 183.00 - $ 183.00
$ 183.00
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 %
$ 366.00
$ 366.00 - $ 366.00
$ 366.00
$ 294.00
$ 294.00 - $ 294.00
$ 294.00

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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$ 366.00
$ 366.00 - $ 366.00
$ 366.00
$ 294.00
$ 294.00 - $ 294.00
$ 294.00
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 %
$ 108.00
$ 108.00 - $ 108.00
$ 108.00
$ 87.00
$ 87.00 - $ 87.00
$ 87.00

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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$ 108.00
$ 108.00 - $ 108.00
$ 108.00
$ 87.00
$ 87.00 - $ 87.00
$ 87.00
Save 19% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 19% Save %
$ 83.00
$ 83.00 - $ 83.00
$ 83.00
$ 67.00
$ 67.00 - $ 67.00
$ 67.00

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

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

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$ 83.00
$ 83.00 - $ 83.00
$ 83.00
$ 67.00
$ 67.00 - $ 67.00
$ 67.00
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 %
$ 4,924.00
$ 4,924.00 - $ 4,924.00
$ 4,924.00
$ 3,941.00
$ 3,941.00 - $ 3,941.00
$ 3,941.00

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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$ 4,924.00
$ 4,924.00 - $ 4,924.00
$ 4,924.00
$ 3,941.00
$ 3,941.00 - $ 3,941.00
$ 3,941.00
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 %
$ 1,783.00
$ 1,783.00 - $ 1,783.00
$ 1,783.00
$ 1,426.00
$ 1,426.00 - $ 1,426.00
$ 1,426.00

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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$ 1,783.00
$ 1,783.00 - $ 1,783.00
$ 1,783.00
$ 1,426.00
$ 1,426.00 - $ 1,426.00
$ 1,426.00
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 %
$ 1,378.00
$ 1,378.00 - $ 1,378.00
$ 1,378.00
$ 1,102.00
$ 1,102.00 - $ 1,102.00
$ 1,102.00

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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$ 1,378.00
$ 1,378.00 - $ 1,378.00
$ 1,378.00
$ 1,102.00
$ 1,102.00 - $ 1,102.00
$ 1,102.00
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 %
$ 722.00
$ 722.00 - $ 722.00
$ 722.00
$ 578.00
$ 578.00 - $ 578.00
$ 578.00

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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$ 722.00
$ 722.00 - $ 722.00
$ 722.00
$ 578.00
$ 578.00 - $ 578.00
$ 578.00
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 %
$ 727.00
$ 727.00 - $ 727.00
$ 727.00
$ 583.00
$ 583.00 - $ 583.00
$ 583.00

Foster 12FSS-101, 1/8" Straight-Thru Coupler x 1/8" 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 12FSS-101 is a 303 stainless 1/8" straigh...

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$ 727.00
$ 727.00 - $ 727.00
$ 727.00
$ 583.00
$ 583.00 - $ 583.00
$ 583.00
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 %
$ 681.00
$ 681.00 - $ 681.00
$ 681.00
$ 544.00
$ 544.00 - $ 544.00
$ 544.00

Foster 12FSS, 1/8" Straight-Thru Coupler x 1/8" 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 12FSS is a 303 stainless 1/8" straight-th...

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$ 681.00
$ 681.00 - $ 681.00
$ 681.00
$ 544.00
$ 544.00 - $ 544.00
$ 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 %
$ 241.00
$ 241.00 - $ 241.00
$ 241.00
$ 194.00
$ 194.00 - $ 194.00
$ 194.00

Foster 12FS-101, 1/8" Straight-Thru Coupler x 1/8" 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 12FS-101 is a brass 1/8" straight-thru co...

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$ 241.00
$ 241.00 - $ 241.00
$ 241.00
$ 194.00
$ 194.00 - $ 194.00
$ 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 %
$ 196.00
$ 196.00 - $ 196.00
$ 196.00
$ 157.00
$ 157.00 - $ 157.00
$ 157.00

Foster 12FS, 1/8" Straight-Thru Coupler x 1/8" Female NPT, FST Series, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 12FS is a brass 1/8" straight-thru couple...

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$ 196.00
$ 196.00 - $ 196.00
$ 196.00
$ 157.00
$ 157.00 - $ 157.00
$ 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 %
$ 317.00
$ 317.00 - $ 317.00
$ 317.00
$ 254.00
$ 254.00 - $ 254.00
$ 254.00

Foster 12FPS, 1/8" Straight-Thru Plug x 1/8" 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 12FPS is a 303 stainless 1/8" straight-th...

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$ 317.00
$ 317.00 - $ 317.00
$ 317.00
$ 254.00
$ 254.00 - $ 254.00
$ 254.00
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 %
$ 81.00
$ 81.00 - $ 81.00
$ 81.00
$ 64.00
$ 64.00 - $ 64.00
$ 64.00

Foster 12FPB, 1/8" Straight-Thru Plug x 1/8" Female NPT, FST Series, Brass

Maximum flow with no restriction, for air and fluid lines where shut-off is handled elsewhere. The Foster 12FPB is a brass 1/8" straight-thru plug ...

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$ 81.00
$ 81.00 - $ 81.00
$ 81.00
$ 64.00
$ 64.00 - $ 64.00
$ 64.00
Save 21% Save %

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