The Nissan Xterra Air Filter Box is the protective cover for the intake air of the engine. Located in the intake pathway at the Xterra engine bay, this Air Filter Box is the housing that envelops the filter element and protects the filter from road debris. Further, it also facilitates the smooth passage of air through the filter media. As the vehicle proceeds, the outside air containing dust, sand, leaves, and other particles is inhaled at the intake. Inside the Air Filter Box, the flow is directed so that all contaminants are trapped. Thereafter, the air flows to the intake manifold. The Air Filter Box serves to provide filtered air into the combustion chambers and prevent the entry of abrasive particles into the combustion chambers. These abrasive particles wear out the pistons, rings, cylinder walls, valves, and valve seats. The containment measures also ensure that any metal particles do not make their way into the engine oil. Thus, engine oil remains lubricated and prevents engine damage. Continued reliable sealing of the Nissan Xterra Air Filter Box system prevents the admission of contaminants into the air supply to allow predictable operation across all speeds and loads on the Nissan Xterra and other Nissan applications.
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