If your Subaru's speedometer is acting up or you're having transmission shifting issues, this A-Premium speed sensor might be your solution. This replacement part fits a ton of Subaru models including 2005-2010 Foresters, 2005-2011 Imprezas, 2005-2012 Legacys, and 2008-2014 Tribecas with 2.5L, 3.0L, and 3.6L engines. It's a rectangular connector with female terminals (3 pins total) that replaces OEM part numbers 31937AA070 and 31937AA071. The compatibility is pretty extensive - it works with both turbocharged and naturally aspirated engines, automatic transmissions, and various model years across Subaru's lineup. Installation is typically straightforward if you're comfortable working under your vehicle, and the improvement in speedometer accuracy and transmission behavior is immediate if your old sensor was failing. A-Premium stands behind this part with a solid one-year unlimited-mileage guarantee, which is pretty reassuring. Before ordering, definitely double-check your specific vehicle details using their compatibility chart - Subarus can have subtle differences between model years and trim levels. The construction feels quality, and it comes packaged ready for installation. Whether you're dealing with erratic speedometer readings, check engine lights related to speed sensors, or transmission that won't shift properly, this affordable replacement can save you a trip to the dealership and get your Subaru back to proper operation.