As the WSJ article alludes to, a lot is going to depend on how popular the particular model was. That's always been the case, even for companies that are still in existence. For instance, there's little to no trouble getting part for a Mercedes 190E 2.3 or 2.6, which sold over a million units worldwide over 10 years . . . but that's not the case for certain parts specific to the twincam version, 2.3-16.