The 2013-2016 Subaru Crosstrek Rear Differential with a 3.70 Gear Ratio is a specific part designed for the rear placement on the vehicle. It is an OE/OEM part number SD0096 made by Subaru Crosstrek. This differential assembly is an essential component of the car's drivetrain system, ensuring smooth and efficient power transmission to the rear wheels. This particular model is specifically designed for the Subaru Crosstrek, providing the optimal gear ratio for optimal performance on the road.