You fellas in da US wouldn't know but Suzuki tightened up their US dealer parts network some years ago to stop dealers who were selling bits internationally. The effect here in Oz, fr'zample, was that we now HAD to pay Oz prices for such bits.
The DL1000 regulator now costs us around AUD450, whereas we could previously import one for half that, landed.
Protecting their OWN Oz pricing/profits as much as the dealers.'