A Heisler part..

[SoCalBobS]

My Stearns Heisler "grounded" itself off my layout table onto the floor.  Among other damage, a truly "pivotal" part broke, actually both of them.  It's the plastic pin that the trucks snap onto.  There is a part number on the exploded view here, but it isn't listed as something for sale.

So here's my question.  How can I get a replacement?  This will be my first experience of this sort with Bachmann.

I sent an email to their customer support a week ago but haven't received a response.  Would I have better luck by calling?  If neither email or phone call will help, is there any other way to get this part?

Thanks in advance for any replies.  I'd hate this otherwise great locomotive to sit in the scrap yard.

(Its part # 00W04X2)