Hi all, The check valve on my fuel pump has been getting less and less reliable, and it's probably time to replace it. However, these little items are in very short supply, commanding a very high price. Question 1: Are there any aftermarket sources for this item? Question 2: Has anyone tried inserting a generic inline check valve, perhaps in the vicinity of the fuel filter? Did that work well? And if you did this, did you insert the valve before the filter (so that any debris from a failed