I, as my avatar informs me, am a newbie!<br/><br/>I thought this post was very insightful by Mr Wolfe.<br/><br/><em>"But, a couple of points on WHAT to buy:<br/><br/>3 sets fuel filters: 2 spare sets of fuel filters (both primary and secondary) in addition to the set you will install now. There is no "average life" for fuel filters. If only clean fuel, they can go for years. But, one contaminated...</em>