Set of 2 Upstream & Downstream Oxygen Sensors for Subaru Legacy & Outback 2.5L 2010-2012, Engine Fuel System, OE 234-4445, 234-9097, 22641-AA54A, 22690AA81A, Stainless Steel

## Product Introduction: <h1>Oxygen Sensor Set (2-Piece)</h1><br> This set includes one upstream and one downstream oxygen sensor designed to facilitate precise monitoring of exhaust gas composition. The components are manufactured to meet specific technical requirements for engine management systems, ensuring consistent data feedback for optimal combustion monitoring. Each sensor is constructed with a stainless steel housing to provide structural integrity and resistance to environmental factors within the exhaust system. The set provides a comprehensive solution for replacing both upstream and downstream sensor units simultaneously.<br> ## Product Specifications: <ul> <li><b>Package Contents:</b> 1 x Upstream Oxygen Sensor (234-9097), 1 x Downstream Oxygen Sensor (234-4445)</li> <li><b>Wire Quantity:</b> 4</li> <li><b>Housing Material:</b> Stainless Steel</li> <li><b>OE/Part Numbers:</b> 234-9097, 234-4445, 2349097, 234445, 22641-AA54A, 22641AA54A, 22690AA810, 22690AA81A, 22690AA93A, 32010413</li> <li><b>Compatibility:</b> Subaru Legacy 2.5L Non-Turbo (2010-2012), Subaru Outback 2.5L Non-Turbo (2010-2012)</li> <li><b>Package Dimensions:</b> 18 x 10 x 4</li> </ul><br> ## Product Attributes: <ul> <li><b>Construction:</b> Stainless steel housing for corrosion resistance and durability.</li> <li><b>Installation Feature:</b> Threads are pre-coated with anti-seize lubricant to assist in the mounting process.</li> <li><b>Packaging:</b> Includes cover protection to maintain lubricant integrity during transit.</li> <li><b>Functional Role:</b> Monitors oxygen levels in the exhaust stream to assist in engine management.</li> <li><b>Sensor Configuration:</b> Dual-set arrangement covering both upstream and downstream positions.</li> </ul><br> ## Recommended Usage Scenarios or Occasions: <ul> <li>Automotive maintenance and replacement of worn oxygen sensors.</li> <li>Installation within the exhaust system of compatible 2.5L non-turbo Subaru vehicles.</li> </ul><br>

• Designed to monitor exhaust gas composition, this upstream and downstream oxygen sensor set facilitates precise air-fuel ratio management to maintain efficient engine combustion and optimal exhaust system performance.
• Engineered for reliable operational stability, these sensors feature pre-coated anti-seize threads to ensure smooth fitment and simplify maintenance during routine vehicle servicing or replacement procedures.
• Constructed with high-grade stainless steel housing, these components offer enhanced durability and resistance to corrosion within the harsh thermal environments of the automotive exhaust system.
• This technical set includes one upstream and one downstream sensor, featuring a 4-wire configuration and specific dimensions of 18x10x4 cm for precise integration into the vehicle.
• Specifically compatible with 2010-2012 Subaru Legacy and Outback models equipped with 2.5L non-turbo engines, providing a direct replacement for OE part numbers such as 234-4445 and 234-9097.