How do you replace oil pump Dodge Ram 2004 4.7?

To replace the oil pump on a 2004 Dodge Ram 4.7, first disconnect the battery and drain the engine oil. Remove the oil pan by unbolting it, which may require lowering the front axle for clearance. Once the pan is off, you can access the oil pump, unbolt it, and replace it with the new pump. Reassemble by reversing the steps, ensuring all gaskets are properly sealed and refilling with fresh oil.