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Re: Oil Leak T444E / 7.3L DIT
Posted to HD/Fleet Forum on 8/3/2018 2 Replies

The most common leak issue on these is not the front cover, but the O-rings on the end of the oil cooler. Be sure to reseal the cooler while you are that far into it. I recommend you use only Navistar or FMC parts. I have had problems with aftermarket stuff. A... Login to read more.

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