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Of all the design decisions that affect the operation of an in-tank fuel pump, the way you seal the pump housing may top the list. A bad seal will allow liquid fuel to work its way into the housing, which will eventually corrode the electronics and potentially cause a risk of fire.

Given the importance of these seals, it’s surprising that many self-contained fuel delivery systems still use o-ring assemblies to seal the power and signal leads that pass though fuel pump housing. Download our paper to learn more about improving fuel pump reliability.

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