Look no further when it comes to rebuilding the torque tube in your 2001–2013 C5 or C6 Corvette. This rubber OEM C5 C6 torque tube coupler bushing kit — also commonly referred to as a driveshaft bushing coupler — is designed to absorb the torsional vibrations generated between the engine and rear-mounted transmission, smoothing out your ride and protecting surrounding drivetrain components.
What does “OEM” mean — and why does it matter?
An OEM part is an original equipment part — the exact same component used by the vehicle manufacturer at the factory. General Motors, like most major automakers, does not manufacture many parts themselves. Instead, they outsource production to Original Equipment Manufacturers who produce the parts to strict factory specifications. Our coupler bushings are guaranteed to be the exact same part that was on your Corvette when it left the factory — just without the GM logo and without the GM price tag. All OEM parts are stamped with the manufacturer’s brand name; however due to contractual agreements with the vehicle manufacturer, the GM logo cannot appear on the product.
Who makes these bushings — and where?
The OEM manufacturer of these coupler bushings is Süddeutsche Gelenkscheibenfabrik (SGF)— a German company that supplies GM, Mercedes-Benz, BMW, and many other major automakers with original equipment drivetrain components.
SGF operates manufacturing facilities in four locations:
- Waldkraiburg, Germany
- Waltershausen, Germany
- Chonburi, Thailand
- Czech Republic
Depending on production scheduling, these bushings may be manufactured at any one of these facilities. The part and quality are identical regardless of manufacturing location — OEM suppliers are held to strict quality standards set by their automotive customers, and maintaining those standards is a requirement of their OEM status. Whether your bushing was made in Germany, Thailand, or the Czech Republic, it is the same SGF part to the same SGF specification.









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