If you replace them one at a time you will keep them in the same order.
I believe this is what a repair manual will advise you to do as well.
I highly suggest buying a repair manual (ie. haynes) for the firing order and location.
IN THE FUEL PUMP. IN ORDER TO REPLACE A SIMPLE FUEL FILTER, YOU MUST REPLACE ENTIRE FUEL PUMP AT THE COST OF WELL OVER $500.00
1-3-4-2
The firing order is 1-3-4-2
Firing Order 1-3-4-2
1-3-4-2
There are a few places where one can find parts for a Nissan Altima. One can approach their local Nissan dealership. Alternatively one can order them from a parts distributor such as Euro Car Parts.
1342 for a 4 cyl. 123456 for the 6 cyl.
1-3-4-2 Rotates Counterclockwise
The idle air control valve on a 05 Nissan Altima is located on the vehicle power pin. In order to check it, you will need to connect an OHM meter.
I'm pretty sure it's 1-3-4-2.
Looking at the distributor, the rotor goes clockwise. the Firing order OOPS 1342
1 2 3 4 5 6