Per Cummins, in order to compete on price, the coolant "filter" was deleted for the ISL in favor of a spec for coolant change that would assure the SCA additive would be sufficient. The filter isn't a filter at all, but a canister of time dissolving SCA to assure coolant integrity. It can be added w/a kit from Cummins if you wish.
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Baja-tested '08 2-slide 36'
Alpine: The Ultimate DIY'er Project
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