
A common problem on Ford 7.3 is a leaking drain valve in the fuel water separator. While driving, the smell of diesel fuel penetrated the cabin, and of course that was the problem. (Above is the old valve ready to go with the gaskets completely removed and the new blue Dorman 904-202 gaskets.) After installation the fuel smell was gone, not to mention the obvious fuel leak on a hot engine, the hazard was gone and my MPG improved. Perfect fit for my 2000 Ford F-350 with 7.3 engine.

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