Hi everyone, I need to pull the oil pan and change the rear oil seal on my ZJ 4.0L. I'm trying to decide if I am going to change the oil pump and screen while I have the pan off. The original Mopar pumps are not available anymore. My ZJ currently has a Mopar pump that has about 150,000 miles on it and was installed about 14 years ago. I just do normal street/highway driving I want to check how many miles everyone are typically getting out of their Mopar OE type oil pumps. I... 1997 ZJ Oil Pump 4.OL