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truck oil filters Main features: A The longevity supported by the composite filter Lubrication system approved by OEM factory is quadruplicatee of the one brought by the artificial synthetic fiber filter media, Protect the engine have longer life span. B The composite filter’s ability to filter out impuities is three times more than the artifical synthetic fiber filtermedia. It stopped the impurities enter into the engine system. So the composite filter has higher filtration efficiency, Which well guranteed the engine’s normal running. C. The composite filter can filter out the impurities in the engine oil in the main oil path. Result the engine doesn't have to install two filters of full flow and diffluent flow. Saved engine innerside space