Fitment: Compatible With Mazda 6 2011-2013With 3.7L Engine Core Dimensions: 28-11/16" W X 17-7/8" H X 1" D; Inlet / Outlet Diameter: 1-3/8" Inlet / 1-3/8" Outlet; Transmission Oil Cooler / TOC: Yes; Engine Oil Cooler / EOC: No This Item Includes: 1X OE Style 1-Row Crossflow Radiator; OE Design for Optimum Heat Transfer, High-Pressure Resistance Durability: Made From High-Quality Lightweight T-6061 Aluminum Core to Improve Engine Cooling Performance; Tank Made of Reinforced Heat and Wearing Resisting PVC Material OEM Replacement: Direct Bolt-on Replacement with No Additional Time Consuming Steps Needed for Installation