The Cummins 88 Big Cam IV is a reliable and efficient product that offers exceptional performance. With features like a 4-1/2?? Impeller and a 4.275?? Multi Groove Pulley, it ensures smooth operation. Compatible with NTC-300, 315, 350, 365, and 400 models, this product is versatile and fits most 88 Big Cam IV Makes and Models. With OEM Pump Numbers 3803138 and 3803030, and OEM Casting Numbers 3062899 and 3053538, it guarantees quality and durability. Sold individually, this product is a practical choice for those seeking a dependable solution for their engine needs.