Timing belt
The 2.7L has a chain, all other engines have a belt.
I have the 2.7 liter v6 and it runs off the timing chain.
It is inside the front of the engine, driven by the timing chain
The marks on the sprockets line up with plated links on the chain.
Chain
The gold colored links on the chain line up with dots/dashes on the sprockets.
It has a timing belt.
Timing chain.
The 3.5L has a timing belt.
Change it every 100,000 miles.
Chrysler Sebring was created in 2001.
A 2001 Chrysler Sebring does not have a cabin filter.