I have a 2007 TL-S, Carbon Bronze with black interior. The door molding, the inner part that goes on the door opening was getting frayed, torn and generally ugly.
I bought a new part and installed it today. The only tool needed was the palm of my hand. I just pulled off the old molding (it's not glued) and beat the new piece in place with my hand. Takes a slight bit of patience around the dash but no real problem.
Looks much better and I have a minor feeling of accomplishment.
If you have a black trimmed interior the part number is 72355-SEP-305ZA.
I think it is universal to all third generation cars but I'm not positive.
Cost was under $90 delivered from Del-Ray Acura.

 

Be sure to use shin-etsu on it to keep it in good shape

 

Ditto. That shin-etsu is the shiz-netsu. I use it on my wife's Escalade as well. Works great.

 

Shin-etsu ftw.

Which reminds me I need a new weather strip piece for my driver's side. There's a pretty long gash/hole in mine from previous owner :/