Oil Filters
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Replace Dirty Oil Filters
Mechanics throughout the region know CMA's Colonial Nissan has the best selection and price for buying genuine OEM parts. Oil filters are cylindrical components that remove contaminants from engine oil as it circulates through the lubrication system. These filters trap metal particles, dirt, and combustion byproducts that would otherwise cause engine wear. Properly functioning oil filters protect bearings, pistons, and other moving parts from abrasive damage. We carry genuine Nissan oil filters designed with correct thread sizes, gasket dimensions, and filtration media for your specific engine.
How Oil Filters Protect Your Engine
Oil filters contain pleated paper or synthetic media that captures particles as oil flows through the element. A bypass valve opens if the filter becomes too clogged, preventing oil starvation. An anti-drainback valve keeps oil in the filter when the engine stops, ensuring immediate lubrication at startup. The metal canister houses all components and threads onto the engine block. Your Pathfinder and Versa both require filters with specific flow rates and pressure ratings matched to their engine oil pump output. Genuine Nissan oil filters use multi-layered media that captures particles while maintaining proper oil pressure and flow.
Why Oil Filters Get Clogged
Oil filters become saturated when accumulated contaminants fill the media pores and restrict flow. Extended oil change intervals allow more particles to collect in the filter. Engine wear generates metal particles that quickly load filter capacity. Dirt entering through damaged air filters contaminates oil and overloads filtration. Aftermarket filters often use cheaper media with larger pore sizes that allow harmful particles to pass through. Generic filters may have incorrect bypass valve settings that open too early and allow unfiltered oil circulation.
When Oil Filters Need Replacement
Replace oil filters with every oil change to maintain effective filtration and prevent restriction. Low oil pressure warnings can indicate a clogged filter forcing bypass valve operation. If oil appears excessively dirty shortly after changes, the filter may not be capturing contaminants properly. Unusual engine noise from inadequate lubrication suggests filter problems. Most manufacturers recommend oil and filter changes every 5,000 to 7,500 miles depending on driving conditions. There are plenty of places to order auto parts online, but when you buy from CMA's Colonial Nissan you'll know why we're the best.