Hydraulic Couplings
- Gates® - PolarSeal™ 13/32" Aluminum Female SAE Tube O-Ring Nut Swivel Coupling (ACA) with R134a Service Port 90° Bent Tube (G45589-0808)PolarSeal™ 13/32" Aluminum Female SAE Tube O-Ring Nut Swivel Coupling (ACA) with R134a Service Port 90° Bent Tube (G45589-0808) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using...High quality at an affordable priceExpertly made from premium materials$24.26In Stock - Ships within 24 hrs
- Gates® - PolarSeal™ 13/32" Aluminum Hose Length Extender Coupling (ACA) (G45535-0810)PolarSeal™ 13/32" Aluminum Hose Length Extender Coupling (ACA) (G45535-0810) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in...High quality at an affordable priceExpertly made from premium materials$9.74In Stock - Ships within 24 hrs
- Gates® - PolarSeal™ 13/32" Aluminum Hose Splicer Coupling (ACA) with R12 Thread Service Port (G45954-0808)PolarSeal™ 13/32" Aluminum Hose Splicer Coupling (ACA) with R12 Thread Service Port (G45954-0808) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and...High quality at an affordable priceExpertly made from premium materials$14.65In Stock - Ships within 24 hrs
- Gates® - PolarSeal™ 13/32" Aluminum Hose Splicer Coupling (ACA) with R134a Service Port (G45956-0808)PolarSeal™ 13/32" Aluminum Hose Splicer Coupling (ACA) with R134a Service Port (G45956-0808) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...High quality at an affordable priceExpertly made from premium materials$21.12In Stock - Ships within 24 hrs
- Gates® - PolarSeal™ 13/32" Aluminum Male Inverted O-Ring Coupling (ACA) (G45597-0808)PolarSeal™ 13/32" Aluminum Male Inverted O-Ring Coupling (ACA) (G45597-0808) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in...High quality at an affordable priceExpertly made from premium materials$9.99In Stock - Ships within 24 hrs
- Gates® - PolarSeal™ 13/32" Aluminum Male Metric Flareless Assembly Coupling (ACA) (G45935-0812)PolarSeal™ 13/32" Aluminum Male Metric Flareless Assembly Coupling (ACA) (G45935-0812) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...High quality at an affordable priceExpertly made from premium materials$15.54In Stock - Ships within 24 hrs
- Gates® - PolarSeal™ 13/32" Aluminum Male SAE Flareless Assembly Coupling (ACA) (G45510-0806)PolarSeal™ 13/32" Aluminum Male SAE Flareless Assembly Coupling (ACA) (G45510-0806) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...High quality at an affordable priceExpertly made from premium materials$16.12In Stock - Ships within 24 hrs
- Gates® - PolarSeal™ 13/32" Aluminum Male SAE Flareless Assembly Coupling (ACA) (G45510-0810)PolarSeal™ 13/32" Aluminum Male SAE Flareless Assembly Coupling (ACA) (G45510-0810) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...High quality at an affordable priceExpertly made from premium materials$16.45In Stock - Ships within 24 hrs
- Gates® - PolarSeal™ 13/32" Aluminum Male SAE Flareless Assembly Coupling (ACA) (G45510-0808)PolarSeal™ 13/32" Aluminum Male SAE Flareless Assembly Coupling (ACA) (G45510-0808) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...High quality at an affordable priceExpertly made from premium materials$15.99In Stock - Ships within 24 hrs
- Gates® - PolarSeal™ 13/32" Aluminum Male SAE Tube O-Ring Nut 45° Bent Tube Coupling (ACA) (G45584-0808)PolarSeal™ 13/32" Aluminum Male SAE Tube O-Ring Nut 45° Bent Tube Coupling (ACA) (G45584-0808) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and...High quality at an affordable priceExpertly made from premium materials$9.71In Stock - Ships within 24 hrs
- Gates® - PolarSeal™ 13/32" Aluminum Male SAE Tube O-Ring Nut 90° Bent Tube Coupling (ACA) (G45585-0808)PolarSeal™ 13/32" Aluminum Male SAE Tube O-Ring Nut 90° Bent Tube Coupling (ACA) (G45585-0808) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and...High quality at an affordable priceExpertly made from premium materials$7.01In Stock - Ships within 24 hrs
- Gates® - PolarSeal™ 13/32" Aluminum Male SAE Tube O-Ring Nut Swivel Coupling (ACA) (G45583-0806)PolarSeal™ 13/32" Aluminum Male SAE Tube O-Ring Nut Swivel Coupling (ACA) (G45583-0806) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...High quality at an affordable priceExpertly made from premium materials$9.77In Stock - Ships within 24 hrs
- Gates® - PolarSeal™ 13/32" Aluminum Male SAE Tube O-Ring Nut Swivel Coupling (ACA) (G45583-0808)PolarSeal™ 13/32" Aluminum Male SAE Tube O-Ring Nut Swivel Coupling (ACA) (G45583-0808) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...High quality at an affordable priceExpertly made from premium materials$8.32In Stock - Ships within 24 hrs
- Gates® - PolarSeal™ 13/32" Steel Compressor Female SAE Tube O-Ring Nut Swivel Coupling (ACA) 90° Bent Tube (G45958-0810S)PolarSeal™ 13/32" Steel Compressor Female SAE Tube O-Ring Nut Swivel Coupling (ACA) 90° Bent Tube (G45958-0810S) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using...High quality at an affordable priceExpertly made from premium materials$26.45In Stock - Ships within 24 hrs
- Gates® - PolarSeal™ 13/32" Steel Compressor Female SAE Tube O-Ring Nut Swivel Coupling (ACA) 90° Block (G45959-0810S)PolarSeal™ 13/32" Steel Compressor Female SAE Tube O-Ring Nut Swivel Coupling (ACA) 90° Block (G45959-0810S) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...High quality at an affordable priceExpertly made from premium materials$32.14In Stock - Ships within 24 hrs
- Gates® - PolarSeal™ 13/32" Steel Female Braze-On Stems Coupling (ACA) (G45527-0808S)PolarSeal™ 13/32" Steel Female Braze-On Stems Coupling (ACA) (G45527-0808S) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in...High quality at an affordable priceExpertly made from premium materials$8.63In Stock - Ships within 24 hrs
- Gates® - PolarSeal™ 13/32" Steel Female SAE 45° Flare Swivel Coupling (ACA) (G45200-0808S)PolarSeal™ 13/32" Steel Female SAE 45° Flare Swivel Coupling (ACA) (G45200-0808S) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers...High quality at an affordable priceExpertly made from premium materials$12.54In Stock - Ships within 24 hrs
- Gates® - PolarSeal™ 13/32" Steel Female SAE Tube O-Ring Nut Swivel 45° Bent Tube Coupling (ACA) (G45591-0808S)PolarSeal™ 13/32" Steel Female SAE Tube O-Ring Nut Swivel 45° Bent Tube Coupling (ACA) (G45591-0808S) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...High quality at an affordable priceExpertly made from premium materials$16.68In Stock - Ships within 24 hrs
- Gates® - PolarSeal™ 13/32" Steel Female SAE Tube O-Ring Nut Swivel 90° Bent Tube Coupling (ACA) (G45592-0808S)PolarSeal™ 13/32" Steel Female SAE Tube O-Ring Nut Swivel 90° Bent Tube Coupling (ACA) (G45592-0808S) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...High quality at an affordable priceExpertly made from premium materials$12.79In Stock - Ships within 24 hrs
- Gates® - PolarSeal™ 13/32" Steel Female SAE Tube O-Ring Nut Swivel Coupling (ACA) (G45590-0808S)PolarSeal™ 13/32" Steel Female SAE Tube O-Ring Nut Swivel Coupling (ACA) (G45590-0808S) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...High quality at an affordable priceExpertly made from premium materials$11.61In Stock - Ships within 24 hrs
- Gates® - PolarSeal™ 13/32" Steel Female SAE Tube O-Ring Nut Swivel Coupling (ACA) with R134a Service Port 90° Bent Tube (G45589-0808S)PolarSeal™ 13/32" Steel Female SAE Tube O-Ring Nut Swivel Coupling (ACA) with R134a Service Port 90° Bent Tube (G45589-0808S) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using...High quality at an affordable priceExpertly made from premium materials$26.50In Stock - Ships within 24 hrs
- Gates® - PolarSeal™ 13/32" Steel Male Inverted O-Ring Coupling (ACA) (G45597-0808S)PolarSeal™ 13/32" Steel Male Inverted O-Ring Coupling (ACA) (G45597-0808S) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in...High quality at an affordable priceExpertly made from premium materials$27.88In Stock - Ships within 24 hrs
- Gates® - PolarSeal™ 5/16" Aluminum Female SAE 45° Flare Swivel 90° Bent Tube Coupling (ACA) (G45205-0606)PolarSeal™ 5/16" Aluminum Female SAE 45° Flare Swivel 90° Bent Tube Coupling (ACA) (G45205-0606) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology...High quality at an affordable priceExpertly made from premium materials$7.97In Stock - Ships within 24 hrs
- Gates® - PolarSeal™ 5/16" Aluminum Female SAE 45° Flare Swivel Coupling (ACA) (G45200-0606)PolarSeal™ 5/16" Aluminum Female SAE 45° Flare Swivel Coupling (ACA) (G45200-0606) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...High quality at an affordable priceExpertly made from premium materials$7.69In Stock - Ships within 24 hrs
- Gates® - PolarSeal™ 5/16" Aluminum Female SAE Tube O-Ring Nut Swivel 45° Bent Tube Coupling (ACA) (G45591-0606)PolarSeal™ 5/16" Aluminum Female SAE Tube O-Ring Nut Swivel 45° Bent Tube Coupling (ACA) (G45591-0606) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...High quality at an affordable priceExpertly made from premium materials$10.26In Stock - Ships within 24 hrs
- Gates® - PolarSeal™ 5/16" Aluminum Female SAE Tube O-Ring Nut Swivel 90° Bent Tube Coupling (ACA) (G45592-0606)PolarSeal™ 5/16" Aluminum Female SAE Tube O-Ring Nut Swivel 90° Bent Tube Coupling (ACA) (G45592-0606) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...High quality at an affordable priceExpertly made from premium materials$10.49In Stock - Ships within 24 hrs
- Gates® - PolarSeal™ 5/16" Aluminum Female SAE Tube O-Ring Nut Swivel 90° Bent Tube Coupling (ACA) (G45592-0608)PolarSeal™ 5/16" Aluminum Female SAE Tube O-Ring Nut Swivel 90° Bent Tube Coupling (ACA) (G45592-0608) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...High quality at an affordable priceExpertly made from premium materials$10.88In Stock - Ships within 24 hrs
- Gates® - PolarSeal™ 5/16" Aluminum Female SAE Tube O-Ring Nut Swivel Coupling (ACA) (G45590-0608)PolarSeal™ 5/16" Aluminum Female SAE Tube O-Ring Nut Swivel Coupling (ACA) (G45590-0608) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...High quality at an affordable priceExpertly made from premium materials$9.51In Stock - Ships within 24 hrs
- Gates® - PolarSeal™ 5/16" Aluminum Female SAE Tube O-Ring Nut Swivel Coupling (ACA) (G45590-0606)PolarSeal™ 5/16" Aluminum Female SAE Tube O-Ring Nut Swivel Coupling (ACA) (G45590-0606) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...High quality at an affordable priceExpertly made from premium materials$9.03In Stock - Ships within 24 hrs
- Gates® - PolarSeal™ 5/16" Aluminum Female SAE Tube O-Ring Nut Swivel Coupling (ACA) with R134a Service Port (G45588-0606)PolarSeal™ 5/16" Aluminum Female SAE Tube O-Ring Nut Swivel Coupling (ACA) with R134a Service Port (G45588-0606) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...High quality at an affordable priceExpertly made from premium materials$23.28In Stock - Ships within 24 hrs
Couplings are the essential parts of any hydraulic system. They are used to connect hoses and pipes to the other elements of the system including reservoirs, cylinders, valves, and pumps. Designed according to strict requirements, couplings are available in many types and materials compatible with the fluid circulating in the system. It is vital, hence, to pick the most appropriate class of fittings to get smooth running, top performance, and safety. Common materials include brass, stainless steel, aluminum, plastic, and copper. For example, plastic couplings offer good resistance to corrosion, but they are unreliable in high-pressure systems.
The choice of hydraulic couplings depends on the pressure rating, chemical compatibility with the fluid, operating temperature, and sealing capacity. Crimp fittings, coupling barbs, compression fittings, and quick disconnect couplers are the most common types used in hydraulic systems. Typically, they are available in many sizes and shapes to fit various designs. In our online catalog, you can find a wide assortment of these and other couplings including inverted flares, mini-barbed tubes, and reusable models. We also offer a broad selection of adapters to ensure flexibility and efficiency. The costs are reasonable, and the quality is ensured by leading companies in the industry.