Feature: 1. Perfect Fitment: Transmission engine oil cooler is replacement for A8 S8, perfect matching, and the OEM number is 4E0317021H, 590078, 8095078. 2. Premium Material: Oil cooler is made of premium metal material, wear resistant, rustproof, high strength, not easy to break, sturdy and durable. 3. High Efficiency: Engine oil cooler can improve the cooling efficiency of the oil, so that the engine can ensure the working efficiency. 4. Excellent Performance: Professional manufacturing, exquisite workmanship, quickly heat dissipation, stable performance and high reliability. 5. Simple Installation: The installation is simple, direct replacement for the old or damaged one, convenient for using, save your time and energy. Specification: Item Type: Engine Oil Cooler Material:MetalOEM: 4E0317021H, 590078, 8095078 Fitment: Replacement for A8 Base Sedan 4-Door 2003-2008 Replacement for A8 L Plus Sedan 4-Door 2005-2008 Replacement for A8 L Sedan 4-Door 2003-2008 Replacement for A8 Plus Sedan 4-Door 2004-2008 Replacement for S8 Base Sedan 4-Door 2003-2003 Replacement for S8 Base Sedan 4-Door 2007-2010 . Package List: 1 x Engine Oil Cooler Note: Please double check the part number of your item, matching information is for reference only. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!