Skip to content
Fall Ready Sale15% off everything through Oct 31FALLREADY15Tap to apply at checkout →
15% off through Oct 31FALLREADY15Tap to apply →

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.

Filters

Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 416.00
$ 416.00 - $ 416.00
$ 416.00
$ 332.00
$ 332.00 - $ 332.00
$ 332.00

Foster FSS304-FS62748, 3/4 X 3/8 304 STAINLESS STEEL HEX NIPPLE, 304 Stainless

The Foster FSS304-FS62748 is a 304 stainless steel NPT Pipe fitting: 3/4 X 3/8 304 STAINLESS STEEL HEX NIPPLE. Machined for leak-tight fluid-power ...

View full details
$ 416.00
$ 416.00 - $ 416.00
$ 416.00
$ 332.00
$ 332.00 - $ 332.00
$ 332.00
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
$ 294.00
$ 294.00 - $ 294.00
$ 294.00

Foster FSS316-5000-06-02, 3/8" Female Pipe x 1/8" Female Pipe, 316 Stainless

The Foster FSS316-5000-06-02 is a 316 stainless steel NPT Pipe fitting: 3/8" Female Pipe x 1/8" Female Pipe. Machined for leak-tight fluid-power co...

View full details
$ 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 20% Save %
$ 220.00
$ 220.00 - $ 220.00
$ 220.00
$ 176.00
$ 176.00 - $ 176.00
$ 176.00

Foster FSS316-5000-02-02, 1/8" Female Pipe x 1/8" Female Pipe, 316 Stainless

The Foster FSS316-5000-02-02 is a 316 stainless steel NPT Pipe fitting: 1/8" Female Pipe x 1/8" Female Pipe. Machined for leak-tight fluid-power co...

View full details
$ 220.00
$ 220.00 - $ 220.00
$ 220.00
$ 176.00
$ 176.00 - $ 176.00
$ 176.00
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 %
$ 220.00
$ 220.00 - $ 220.00
$ 220.00
$ 176.00
$ 176.00 - $ 176.00
$ 176.00

Foster FSS316-5000-04-02, 1/4" Female Pipe x 1/8" Female Pipe, 316 Stainless

The Foster FSS316-5000-04-02 is a 316 stainless steel NPT Pipe fitting: 1/4" Female Pipe x 1/8" Female Pipe. Machined for leak-tight fluid-power co...

View full details
$ 220.00
$ 220.00 - $ 220.00
$ 220.00
$ 176.00
$ 176.00 - $ 176.00
$ 176.00
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 %
$ 416.00
$ 416.00 - $ 416.00
$ 416.00
$ 332.00
$ 332.00 - $ 332.00
$ 332.00

Foster FSS304-FS62747, 3/4 X 1/4 304 STAINLESS STEEL HEX NIPPLE, 304 Stainless

The Foster FSS304-FS62747 is a 304 stainless steel NPT Pipe fitting: 3/4 X 1/4 304 STAINLESS STEEL HEX NIPPLE. Machined for leak-tight fluid-power ...

View full details
$ 416.00
$ 416.00 - $ 416.00
$ 416.00
$ 332.00
$ 332.00 - $ 332.00
$ 332.00
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 %
$ 416.00
$ 416.00 - $ 416.00
$ 416.00
$ 332.00
$ 332.00 - $ 332.00
$ 332.00

Foster FSS304-FS62749, 3/4 X 1/2 304 STAINLESS STEEL HEX NIPPLE, 304 Stainless

The Foster FSS304-FS62749 is a 304 stainless steel NPT Pipe fitting: 3/4 X 1/2 304 STAINLESS STEEL HEX NIPPLE. Machined for leak-tight fluid-power ...

View full details
$ 416.00
$ 416.00 - $ 416.00
$ 416.00
$ 332.00
$ 332.00 - $ 332.00
$ 332.00
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 %
$ 269.00
$ 269.00 - $ 269.00
$ 269.00
$ 216.00
$ 216.00 - $ 216.00
$ 216.00

Foster FSS304-FS62745, 1/2 X 3/8 304 STAINLESS STEEL HEX NIPPLE, 304 Stainless

The Foster FSS304-FS62745 is a 304 stainless steel NPT Pipe fitting: 1/2 X 3/8 304 STAINLESS STEEL HEX NIPPLE. Machined for leak-tight fluid-power ...

View full details
$ 269.00
$ 269.00 - $ 269.00
$ 269.00
$ 216.00
$ 216.00 - $ 216.00
$ 216.00
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 %
$ 172.00
$ 172.00 - $ 172.00
$ 172.00
$ 138.00
$ 138.00 - $ 138.00
$ 138.00

Foster FSS304-FS62742, 3/8 X 1/4 304 STAINLESS STEEL HEX NIPPLE, 304 Stainless

The Foster FSS304-FS62742 is a 304 stainless steel NPT Pipe fitting: 3/8 X 1/4 304 STAINLESS STEEL HEX NIPPLE. Machined for leak-tight fluid-power ...

View full details
$ 172.00
$ 172.00 - $ 172.00
$ 172.00
$ 138.00
$ 138.00 - $ 138.00
$ 138.00
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 %
$ 269.00
$ 269.00 - $ 269.00
$ 269.00
$ 216.00
$ 216.00 - $ 216.00
$ 216.00

Foster FSS304-FS62744, 1/2 X 1/4 304 STAINLESS STEEL HEX NIPPLE, 304 Stainless

The Foster FSS304-FS62744 is a 304 stainless steel NPT Pipe fitting: 1/2 X 1/4 304 STAINLESS STEEL HEX NIPPLE. Machined for leak-tight fluid-power ...

View full details
$ 269.00
$ 269.00 - $ 269.00
$ 269.00
$ 216.00
$ 216.00 - $ 216.00
$ 216.00
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 %
$ 172.00
$ 172.00 - $ 172.00
$ 172.00
$ 138.00
$ 138.00 - $ 138.00
$ 138.00

Foster FSS304-FS62741, 3/8 X 1/8 304 STAINLESS STEEL HEX NIPPLE, 304 Stainless

The Foster FSS304-FS62741 is a 304 stainless steel NPT Pipe fitting: 3/8 X 1/8 304 STAINLESS STEEL HEX NIPPLE. Machined for leak-tight fluid-power ...

View full details
$ 172.00
$ 172.00 - $ 172.00
$ 172.00
$ 138.00
$ 138.00 - $ 138.00
$ 138.00
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 %
$ 685.00
$ 685.00 - $ 685.00
$ 685.00
$ 547.00
$ 547.00 - $ 547.00
$ 547.00

Foster FSS304-FS62725, 1 304 STAINLESS STEEL HEX NIPPLE, 304 Stainless

The Foster FSS304-FS62725 is a 304 stainless steel NPT Pipe fitting: 1 304 STAINLESS STEEL HEX NIPPLE. Machined for leak-tight fluid-power connecti...

View full details
$ 685.00
$ 685.00 - $ 685.00
$ 685.00
$ 547.00
$ 547.00 - $ 547.00
$ 547.00
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 %
$ 172.00
$ 172.00 - $ 172.00
$ 172.00
$ 138.00
$ 138.00 - $ 138.00
$ 138.00

Foster FSS304-FS62722, 3/8 304 STAINLESS STEEL HEX NIPPLE, 304 Stainless

The Foster FSS304-FS62722 is a 304 stainless steel NPT Pipe fitting: 3/8 304 STAINLESS STEEL HEX NIPPLE. Machined for leak-tight fluid-power connec...

View full details
$ 172.00
$ 172.00 - $ 172.00
$ 172.00
$ 138.00
$ 138.00 - $ 138.00
$ 138.00
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 %
$ 147.00
$ 147.00 - $ 147.00
$ 147.00
$ 117.00
$ 117.00 - $ 117.00
$ 117.00

Foster FSS304-FS62740, 1/4 X 1/8 304 STAINLESS STEEL HEX NIPPLE, 304 Stainless

The Foster FSS304-FS62740 is a 304 stainless steel NPT Pipe fitting: 1/4 X 1/8 304 STAINLESS STEEL HEX NIPPLE. Machined for leak-tight fluid-power ...

View full details
$ 147.00
$ 147.00 - $ 147.00
$ 147.00
$ 117.00
$ 117.00 - $ 117.00
$ 117.00
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 %
$ 147.00
$ 147.00 - $ 147.00
$ 147.00
$ 117.00
$ 117.00 - $ 117.00
$ 117.00

Foster FSS304-FS62721, 1/4 304 STAINLESS STEEL HEX NIPPLE, 304 Stainless

The Foster FSS304-FS62721 is a 304 stainless steel NPT Pipe fitting: 1/4 304 STAINLESS STEEL HEX NIPPLE. Machined for leak-tight fluid-power connec...

View full details
$ 147.00
$ 147.00 - $ 147.00
$ 147.00
$ 117.00
$ 117.00 - $ 117.00
$ 117.00
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 %
$ 416.00
$ 416.00 - $ 416.00
$ 416.00
$ 332.00
$ 332.00 - $ 332.00
$ 332.00

Foster FSS304-FS62724, 3/4 304 STAINLESS STEEL HEX NIPPLE, 304 Stainless

The Foster FSS304-FS62724 is a 304 stainless steel NPT Pipe fitting: 3/4 304 STAINLESS STEEL HEX NIPPLE. Machined for leak-tight fluid-power connec...

View full details
$ 416.00
$ 416.00 - $ 416.00
$ 416.00
$ 332.00
$ 332.00 - $ 332.00
$ 332.00
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
$ 294.00
$ 294.00 - $ 294.00
$ 294.00

Foster FSS304-FS62557, 1 X 1/8 M X F 304 STAINLESS STEEL HEX BUSHING, 304 Stainless

The Foster FSS304-FS62557 is a 304 stainless steel NPT Pipe fitting: 1 X 1/8 M X F 304 STAINLESS STEEL HEX BUSHING. Machined for leak-tight fluid-p...

View full details
$ 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 20% Save %
$ 269.00
$ 269.00 - $ 269.00
$ 269.00
$ 216.00
$ 216.00 - $ 216.00
$ 216.00

Foster FSS304-FS62723, 1/2 304 STAINLESS STEEL HEX NIPPLE, 304 Stainless

The Foster FSS304-FS62723 is a 304 stainless steel NPT Pipe fitting: 1/2 304 STAINLESS STEEL HEX NIPPLE. Machined for leak-tight fluid-power connec...

View full details
$ 269.00
$ 269.00 - $ 269.00
$ 269.00
$ 216.00
$ 216.00 - $ 216.00
$ 216.00
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
$ 294.00
$ 294.00 - $ 294.00
$ 294.00

Foster FSS304-FS62513, 1 X 3/4 M X F 304 STAINLESS STEEL HEX BUSHING, 304 Stainless

The Foster FSS304-FS62513 is a 304 stainless steel NPT Pipe fitting: 1 X 3/4 M X F 304 STAINLESS STEEL HEX BUSHING. Machined for leak-tight fluid-p...

View full details
$ 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 20% Save %
$ 122.00
$ 122.00 - $ 122.00
$ 122.00
$ 98.00
$ 98.00 - $ 98.00
$ 98.00

Foster FSS304-FS62720, 1/8 304 STAINLESS STEEL HEX NIPPLE, 304 Stainless

The Foster FSS304-FS62720 is a 304 stainless steel NPT Pipe fitting: 1/8 304 STAINLESS STEEL HEX NIPPLE. Machined for leak-tight fluid-power connec...

View full details
$ 122.00
$ 122.00 - $ 122.00
$ 122.00
$ 98.00
$ 98.00 - $ 98.00
$ 98.00
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
$ 294.00
$ 294.00 - $ 294.00
$ 294.00

Foster FSS304-FS62510, 1 X 1/4 M X F 304 STAINLESS STEEL HEX BUSHING, 304 Stainless

The Foster FSS304-FS62510 is a 304 stainless steel NPT Pipe fitting: 1 X 1/4 M X F 304 STAINLESS STEEL HEX BUSHING. Machined for leak-tight fluid-p...

View full details
$ 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 20% Save %
$ 294.00
$ 294.00 - $ 294.00
$ 294.00
$ 235.00
$ 235.00 - $ 235.00
$ 235.00

Foster FSS304-FS62509, 3/4 X 1/2 M X F 304 STAINLESS STEEL HEX BUSHING, 304 Stainless

The Foster FSS304-FS62509 is a 304 stainless steel NPT Pipe fitting: 3/4 X 1/2 M X F 304 STAINLESS STEEL HEX BUSHING. Machined for leak-tight fluid...

View full details
$ 294.00
$ 294.00 - $ 294.00
$ 294.00
$ 235.00
$ 235.00 - $ 235.00
$ 235.00
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
$ 294.00
$ 294.00 - $ 294.00
$ 294.00

Foster FSS304-FS62512, 1 X 1/2 M X F 304 STAINLESS STEEL HEX BUSHING, 304 Stainless

The Foster FSS304-FS62512 is a 304 stainless steel NPT Pipe fitting: 1 X 1/2 M X F 304 STAINLESS STEEL HEX BUSHING. Machined for leak-tight fluid-p...

View full details
$ 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 20% Save %
$ 366.00
$ 366.00 - $ 366.00
$ 366.00
$ 294.00
$ 294.00 - $ 294.00
$ 294.00

Foster FSS304-FS62511, 1 x 3/8 M X F 304 STAINLESS STEEL HEX BUSHING, 304 Stainless

The Foster FSS304-FS62511 is a 304 stainless steel NPT Pipe fitting: 1 x 3/8 M X F 304 STAINLESS STEEL HEX BUSHING. Machined for leak-tight fluid-p...

View full details
$ 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 20% Save %
$ 294.00
$ 294.00 - $ 294.00
$ 294.00
$ 235.00
$ 235.00 - $ 235.00
$ 235.00

Foster FSS304-FS62508, 3/4 X 3/8 M X F 304 STAINLESS STEEL HEX BUSHING, 304 Stainless

The Foster FSS304-FS62508 is a 304 stainless steel NPT Pipe fitting: 3/4 X 3/8 M X F 304 STAINLESS STEEL HEX BUSHING. Machined for leak-tight fluid...

View full details
$ 294.00
$ 294.00 - $ 294.00
$ 294.00
$ 235.00
$ 235.00 - $ 235.00
$ 235.00
Save 20% Save %

Request a Quote

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