Toyota Alphard Oxygen Sensor 89465-28400 / 42170 / 41060, three-in-one fit, precise air-fuel ratio control.

Toyota Alphard exhaust oxygen sensor 89465-28400 (compatible with 42170, 41060) monitors exhaust oxygen content and feeds ECU to maintain optimal air-fuel ratio. Installation about 0.5–1 hour; protect threads during removal. If engine idle is unstable, fuel consumption rises, or acceleration slows, replace to restore performance and emission compliance.