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Re: Need info to repalce the compleate HP fuel system
Posted to HD/Fleet Forum on 10/4/2020 1 Reply

We recommend a 10,000 mile filter interval and our regular 6.7 customers have made it well over 200-300k with no issues.

The short answer is anything that causes a prolonged lack of lubrication of the pump can cause HPFP failure. Lift pump failure, plugged f... Login to read more.

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