The metal lines should be fine unless someone ahs bent them such that they wont seal. They are simple compression fittings.

Just replace the plastic fuel lines, pre-filter and it oring and possibly the oring behind the shut off valve onthe side of the IP (black plastic valve).

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Terry Allison
N. Calif. & Boca Chica, Panama

09' E320 Bluetec 77k (USA)
09' Hyundai Santa Fe Diesel 48k (S.A.)