Front Oxygen Sensor for 2001-2003 Toyota Highlander & More - Walker 250-24277

Walker Products 250-24277 front oxygen sensor for the 2001-2003 Toyota Highlander V6 3.0L and other vehicles measures the oxygen content of the exhaust gas. This Walker Products oxygen sensor is made for its specific application and position and sends the ECU its diagnostic feedback.

• Monitors the air-fuel ratio by measuring oxygen in the exhaust gas
• Monitors exhaust gases to help reduce pollutants
• Coating guards the electrode surfaces against contamination and erosion from combustion residue and particulates
• Electrodes made of a gas-permeable platinum layer
• Narrow-band sensor with an M18 - 1.5 thread

Quick facts

• Part: Walker Products 250-24277 oxygen sensor
• Fits: 2001-2003 Toyota Highlander V6 3.0L and other vehicles
• Position: Downstream, downstream front
• Condition: New

A failing sensor can show up as rough running, higher fuel consumption, more exhaust emissions or a lit malfunction indicator light. Other problems can set off these signs too, so first look over the sensor, its wiring harness and the connector for physical damage while the engine is off and cool.

Fits

This O2 sensor fits the 2003 Toyota Highlander V6 3.0L, the 1999-2003 Lexus RX300 V6 3.0L and the 1993-1998 Toyota Supra 6-cylinder 3.0L. It is also the O2 sensor for the 2002 Toyota Highlander V6 3.0L. This listing is one sensor; the 2001-2003 Toyota Highlander V6 3.0L takes one.

Specifications