[Perfect fit] This replacement radiator is compatible with 2007-2010 Sienna. Please use Amazon's vehicle fitment tool to confirm if the part is suitable for your vehicle application [OE Numbers & Specifications] Engine radiator replacement OEM part number is CU13076, 13076C, 2213141, 4113076, 164100P160, 160410P201, 160410P200, 164100P161, 16410AZ022, 103457, 103497, 10182345256654441, 813076, 8013076, 2687. Core Thickness: 7/8；Core Width:26-3/8；Core Height: 19-1/8；Inlet Diameter:1-1/2；Outlet Diameter:1-1/2 [High Efficiency and Durability] Our car radiators are constructed with high-density multi-louver fins, with a larger heat dissipation area for maximum cooling efficiency; they use high-grade plastic water tanks and aluminum cores to prevent corrosion and have excellent thermal conductivity. All radiators have been leak-proof tested, pressure tested, aging and durability tested, and comply with the IATF16949 quality management system, making them more stable, durable and reassuring [Upgraded Shockproof Packaging] Our auto radiator adopts reinforced shockproof packaging. It is properly protected by multi-layer cardboard, the four corners are fixed with foam, and the interior is filled with multiple pearl cotton/bubble column protection to ensure that it will not be deformed and damaged during transportation, ensuring safe delivery. It is strongly recommended to be installed by professionals [After-sales Service] KAX has been committed to the research and development and production of auto parts for a long time. Any parts produced are 100% matched with the original car. We promise to provide two-year quality assurance and comprehensive after-sales support. If you encounter any problems with any product, you can contact us at any time, we will respond in time and provide solutions