From SGF

SGF designs and manufactures power transmission products such as Flexible couplings for car companies around the globe.
SGF says its Flexible Drive Couplings are fitted as Original Equipment to many RWD and AWD vehicles by vehicle manufacturers including Ford, General Motors, Chrysler, BMW, Mercedes Benz, VW and Hyundai.

The purpose of a Flexible Coupling is to:
a) Effectively transmit rotational torque.
b) Compensate for axial, radial and angular misalignment in the vehicle’s drivetrain.
c) Be engineered to handle the operating and torque peaks of the engine.
d) Be application tuned to eliminate or reduce the Noise, Vibration, Resonance and other disturbing harmonic signatures generated by the vehicle’s powertrain.

When selecting a flexible coupling, SGF says you should remember each vehicle’s flexible coupling is unique and even if they are dimensionally similar, the harmonic (NVH) performance is different. Each SGF coupling is specifically tuned for each vehicle application.
SGF says that with its couplings, you get the original; the same as fitted to the vehicle when it was built.
SGF states that its product advantage and competency is based on its trademarked Tenpu fibre technology; a combination of unique cord inlays and rubber material that operate in tension load.

Unlike common rubber couplings that work with shear load or pressure load on the rubber, the tension load principle ensures that the cord inlays transmit most of the load, providing a better tolerance to shock loads and a higher power density ratio resulting in the ability to transmit higher torque with a smaller coupling.
SGF Couplings are made in Germany. SGF says it has manufactured over 90 percent of OEM Flex Couplings for vehicles since 1946.
Original SGF Couplings have the SGF logo/part number moulded or printed on the coupling itself. SGF says you need to just identify this number when replacing to ensure you are supplied genuine SGF.
With driveshafts rotating in excess of 3000 RPM, SGF says you need to beware of potential NVH and safety hazards from inferior copy couplings.

German Made Original SGF Flex Couplings are available from all reputable distributors or contact sales@sgfasiapac.com for further information.