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The NGK direct-fit oxygen sensor for Subaru Forester (1998–1999) supplies continuous closed-loop air–fuel feedback to the engine control unit to maintain proper mixture, aid fuel economy and reduce emissions. It features an advanced ceramic sensor element with a 3-stage contaminant-resistant plasma jet and deposit-trap overcoat that protects against element poisoning, and the design is refined with OEM collaboration for dependable replacement fit and service life.
NGK Subaru Forester 1999-1998 Direct Fit Oxygen Sensor
