Product Details: The Donaldson spin-on full flow lube filter is designed for applications with Caterpillar, Freightliner, PACCAR including Kenworth, Peterbilt, and Western Star vehicles. It utilizes cellulose media to achieve 99% filtration efficiency at 40 microns, ensuring effective containment of impurities. Constructed with heavy duty components, the filter supports essential engine protection and optimal cold flow performance.