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Spin-On Coolant Filters

By Chris Tyson, MACS Heavy Duty Contributor

While rarely seen in automotive and light truck systems, engine coolant filters (sometimes called water filters) can be found on many over-the-road, heavy duty truck and off-road engine cooling system applications. While most automotive engines average 12,000 to 15,000 miles per year, it’s common for some of these large trucks to reach 100,000 miles or more in the same time period. Combine such mileage with their much larger system capacities (some hold 15 gallons or more compared with around two for small cars), and it’s evident how important it can be to save maintenance time and money by filtering engine coolant on these large systems, rather than replacing it more frequently.

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