丰田卡罗拉2009款1.6L前氧传感器89467-02030，提升燃烧效率降低油耗

Toyota Corolla 2009 1.6L (ZRE152 series, 1ZR-FE) directly compatible with this front oxygen sensor, also compatible with 2010-2013 versions of the same displacement. Installed behind the exhaust manifold, monitors air-fuel ratio in real-time and feeds ECU to precisely adjust injection, effectively improving combustion efficiency and reducing fuel consumption by about 5-8%, and reducing emissions. OEM number 89467-02030 (original part 8946702030), supports replacement 89467-02070 (some later models). Replacement difficulty: medium; use a dedicated oxygen sensor socket (22mm), cold-start operation recommended and use anti-seize to avoid thread damage. For B2B buyers: this sensor is wideband; not interchangeable with narrowband types; if purchasing in bulk, differentiate; KLP brand offers 12-month warranty; suitable for repair shops stock.