Oxygen Sensor for 2021-2026 Toyota Sienna & More - Walker 250-54130

Walker Products 250-54130 oxygen sensor for the 2021-2026 Toyota Sienna 4-cylinder 2.5L and other vehicles measures the oxygen in the exhaust gas to monitor the air-fuel ratio. It is made for its specific application and fitment position, and it gives the ECU the diagnostic feedback it needs.

• Wide-band, 4-wire air-fuel ratio sensor
• Determines the oxygen content of the exhaust gas to track combustion efficiency
• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates
• Electrodes made with a gas-permeable platinum layer
• Monitors exhaust gases to help reduce pollutants

Quick facts

• Part: Walker Products 250-54130 oxygen sensor
• Fits: 2021-2026 Toyota Sienna 4-cylinder 2.5L and other vehicles
• Position: Upstream
• Condition: New

A sensor that is wearing out can show up as a rough-running engine, higher fuel consumption, more exhaust emissions or a lit malfunction indicator light. A damaged wiring harness or connector can be behind the same signs, so inspect both for physical damage before you replace the sensor.

Fits

This oxygen sensor fits the 2020-2026 Toyota Highlander 4-cylinder 2.5L, the 2024-2026 Toyota Grand Highlander 4-cylinder 2.5L and the 2021-2026 Toyota Sienna 4-cylinder 2.5L. This listing is one sensor, and one sensor goes in each of them.

Specifications