The ECOGARD XA3181~E8 Engine Air Filter is a high-quality filtration solution designed to enhance engine performance and longevity. This filter features a round plastisol shape with dimensions of 4.06 inches in height and 13.50 inches in outside diameter, ensuring a precise fit for various vehicle models. Its construction includes a one-piece spiral wound, corrugated center tube that maximizes collapse strength, providing robust support under high-pressure conditions. The molded nitrile anti-drain back valve effectively prevents dry starts by retaining oil within the filter, while the pressure relief valve ensures consistent engine lubrication. Additionally, the heavy-duty filter body is engineered to withstand five times the normal oil pressure, and the heavy-duty baseplate with precision-forged threads offers enhanced durability. By incorporating the ECOGARD XA3181~E8 Engine Air Filter into your maintenance routine, you can expect improved engine efficiency, reduced wear, and extended engine life, contributing to the overall reliability and performance of your vehicle.