Premium OEM Engine O2 Sensor for Subaru Performance
High-precision zirconia ceramic sensing element ensures accurate air-fuel ratio measurement, optimizing engine performance and fuel efficiency. Direct-fit design with corrosion-resistant stainless steel housing for durability in harsh conditions. Seamless compatibility with Subaru Impreza WRX, Legacy (EJ207/EJ20Y 2.0L models) – plug-and-play installation, no wiring modifications. OE-equivalent connectors (22641-AA220/AA390/AA391) guarantee perfect fitment. Engineered for high-temperature endurance (up to 900°C) with advanced thermal shock resistance. Laser-welded seams and waterproof seals prevent exhaust gas leaks. Ideal for turbocharged applications, track days, or daily driving. Restores factory-level emissions compliance and throttle response. Global wholesale pricing – bulk orders available for workshops/retailers. Ships with OEM-grade packaging and anti-counterfeit coding.