Hi Gdads51 and guys, according to the Chevy Master Parts Book extract you posted, it looks like the 7000 lb. axle was only used with full air brakes (FAB), that is if I am reading it correctly. The tie rod ends for the 5000 lb. axle are OEM p/n 3864348 and 3864347 Moog p/ns ES330L and ES330R, Hope that helps.
3B - Thanks for the clarification on the "FAB" identifier.
My brain just couldn't seem to connect the dots
on what it stood for and I couldn't find the GM description to match the acronym in the reference book. Another great tidbit of information to file away for future use.
