The Case IH 3399676R1 is a genuine OEM drive shaft designed for optimal performance in Case IH agricultural machinery. This critical component ensures efficient power transmission within various combine and grain header models, including the 1020, 1042, 1052, 2020, 2042, 2052, 2062, 2142, 2152, 2162, 3020, 3050, 3152, 3162, and 4000 series. Manufactured to Case IH's rigorous standards, it provides durability and precise fitment for maintaining machinery reliability.