Re: Why are these different?? Home › Forum › Ask A Member › Why are these different?? › Re: Why are these different?? frankrUS Member - 1 Year (includes $3 online payment fee)Replies: 6715Topics: 51 March 25, 2018 at 8:18 pm #73028 The fuel pumps contain filter screens. I guess at some point they decided the sediment bowl was overkill and not necessary.