48re
It did from the factoryIt did from the factory
12 quarts
It doesn't have an oxygen sensor.
Counterclockwise
Approx 9.5
It is part of the fuel filter on a diesel.
12 quarts 15w40
It will run on any diesel sold at a gas station. In colder areas they blend diesel so it does not gel (freeze) in the truck.
It is a 75w90 synthetic gear oil.
It is in the fuel tank.
Low oil pressure