Was driving down the road and greeted with the strong stench of diesel, pulled over at an O'reileys and they had some fuel line which I threw on there. Does this happen often? The old line is supple and was replaced 2 months ago. What can I do to prevent it and what do I need to order?

Here is how I have it set up until I fix it:

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1985 300D (CA, 173K)

Dynamite Biodiesel Co-op, Phoenix,AZ