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Fluid Routing Experts

Coupled Products brings over 45 years of history in providing solutions to the varying needs of the industries we serve.  Whether a tube only, or a complex tube and hose hybrid assembly, Coupled Products brings the full scope of its engineering capabilities to ensure each part is specifically designed and tested for the customer’s application. 

◊ CAD design

◊ Prototype

◊ Program Management

◊ In-house validation testing

Our manufacturing expertise encompasses multiple metals – aluminum, steel, stainless steel and others – and the latest hose technologies to provide a solution to meet the most stringent performance and engineering requirements.


All products are validated at our in-house test lab to ensure  our products exceed customer specifications and federal requirements.  A sample of our test capabilities includes pressure-cycling, temperature cycling, vibration, heat aging, burst testing, and salt spray testing.

    Tube & Hose Assemblies

 - Hydraulic brake lines                      - Air-conditioning lines

- Hydraulic power steering lines      - Heater and coolant lines

- Transmission oil cooler lines         - Engine oil cooler lines

- Oil fill and dipstick tubes               - Jumper tubes

- EGR tubes                                        - Cable conduit tubes
- Industrial hydraulic and
  pneumatic lines

Machined Fittings

Coupled Products  manufactures  both low- and high-volume fittings in aluminum, brass, steel and stainless steel, using CNC, ACME and   Hydromat equipment.

            - Banjo fittings                         - Threaded fittings
            - Junction blocks                      - Crimp ferrules/inserts