No it has a timing chain. The tenionsers do need attention if you hear a rattling sound from the front of the motor.
Timing CHAIN
Cabin air filters not common till after the 2007 model year and beyond. Your 03 Nissan altima will not have one.
best bet is to try junk yards or ebay.
It must have a timing chain . The Gates website does not list a timing belt for the 2003 Infiniti G35
it has a timing chain
chain
100,000km
The engine timing marks are on the timing belt of the car. It lets you know when it is time to replace the belt.
Do not install a used timing belt on the 2003 Neon. Install a new belt.
There is no timing belt. It has a timing chain that should last 150K at the least. Chevy says its not wearable.
03 camry 4 cylider has a timing chain a 03 v6 camry hmilesas a belt and you change it every 90,000
The 03 Maxima has a 16.5 gallon tank.