"Radiator Saver"

Really? Full flow from the engine goes thru the filter?

Do you have any links of how this system is designed?

Well the consumer truck diesel coolant filters, all I have seen, are bypass design where they take a couple percentage of the flow thru them. A full flow inline filter that could catch all the very fine particulate and stuff must be massive in size or surface area not to hinder volume.

383Scampman said

The heavy duty industry has been using filters in diesel cooling systems for years. These units are inline filters that go in the outflow and can be serviced at regular service intervals. They are also inexpensive. Engine temp is critical in diesels, so I don't think the flow suffers, Tom

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