The Dana 231098 is a genuine Dana Spicer pinion, engineered for exceptional durability and precise fit in Dana 70 and Dana 80 heavy-duty axles. This critical drivetrain component features 10 splines, a pinion diameter of 41.275 mm (1.625 inches), and an overall length of 260.35 mm (10.25 inches). Designed to ensure optimal power transfer and reliable performance, the Dana 231098 pinion is essential for maintaining the integrity and efficiency of demanding industrial and automotive applications.