So I had major service done to my '00 300m. I'll post price details later, but for now I just want to comment on the timing belt and water pump.
The original belt has the following markings on it that are clearly visible:
4792353 Do Not Crimp 98+ MY 3.2/3.5L Chrysler Pentastar Logo Gates LogoThe flat surface has some wear or scuffing (nowhere near enough to wipe out the above printed markings, which were in printed in orange color).
The ribbed or tooth surface looks brand new. No micro cracks, no frayed edges. Maybe I'll take a picture and post it. This is a 10 year old belt, with 90k miles on it. And I was worried I was living on borrowed time with it. Sheesh. It probably could have easily lasted another 5 years and 50k miles.
The original water pump has has the following cast into it:
4663333AB Chrysler Pentastar LogoThe impeller is black, and seems to be plastic. The shaft turns freely, but absolutely no play is detectable by hand
This was not the part number that I've been quoted previously, but it does seem to be a legit number according to this:
Here are more Chrysler water pumps:
Dynapak Fenco NP1664 "New Water Pump" printed on the box
So I'll hang onto the belt and pump in case I need them in the future.