The most reasonably priced component used on the Gsxr750 2012 (l2) Usa (e03) Front Damper is the O Ring.
Some items from this specific schematic: Collar,spring, Collar,spring, Piston Ring, Case,rod Guide.
The sub assemblies and components that make up this Front Damper include this Damper Assy,fr Fork,l, the most expensive part.