The product is a set of two Caterpillar 324-2598 Advanced Efficiency 3116 or 3126 diesel engine oil filters designed by Caterpillar Marine. These high-quality filters are specifically made to meet the needs of diesel engines, providing optimal filtration and protection for your vehicle. Built by the trusted brand Caterpillar, these oil filters are essential for maintaining the health and longevity of your engine. Brand new. Sealed. Genuine Shipping immediately