The Case IH 2852396 is a genuine OEM belt tensioner designed for optimal performance and durability in a wide range of Case IH agricultural and construction machinery. This critical component ensures proper belt tension, preventing slippage and extending the life of drive belts and associated engine components. It is compatible with various Puma, Maxxum, Optum, Magnum, Steiger, Quadtrac, Axial-Flow, and FR series models, ensuring precise fitment and reliable operation for Tier 4B engines.