BOOT ASSEM. 3Y9739 - Caterpillar

oils acquire a significant amount of wear metals from moving parts of the engine and soot from the combustion process. Most Cat engine oil filters are designed of robust construction, high-quality filter media, roving to ensure filter media stability, and capacity that allows the filter to operate for the designed service life. Refer to your Operation and Maintenance Manual for the service life of the engine oil filter.Cat engine oil filters are available in Standard, Advanced, and Ultra High efficiency filtration. In order to choose the appropriate filter for your machine, refer to your Operation and Maintenance Manual and consult your Cat dealer for the availability of filters.Particle count of engine oils to determine cleanliness is not recommended. Additives in engine oils and soot (after use) interfere with particle counting. Filtering of the oil is recommended that is filled into the engine through Advanced or Ultra High Efficiency filter to ensure cleanliness of the oil.