Yes
Yes.
Before and after the catalytic converter
In the exhaust, near the catalytic converter.In the exhaust, near the catalytic converter.
Depends of the year. In 2008 US required DPF (diesel particulate filter) on all new diesel-powered trucks. The DPF is similar to the cataytic converter for a gasoline engine.
Is it better than a dodge 3500
Inside the transmission.
Crawl under the vehicle and start at the engine and follow the exhaust pipe backward toward the rear of the vehicle. You will run into the converter.
It is inside the transmission, on the rear corner of the valve body.
A 2007 Dodge 3500 diesel engine serpentine belt routing diagram can be obtained from most auto-parts stores. When you purchase the serpentine belt, ask for a routing diagram.
The engine computer is also the voltage regulator.
Yes
Yes