Oxygen Sensor for 1990-1992 Lexus LS400 - Walker 350-32017

Walker Products 350-32017 oxygen sensor for the 1990-1992 Lexus LS400 V8 4.0L measures the oxygen in the exhaust gas to gauge combustion efficiency. Every Walker part number is made for its specific application and fitment position.

• Monitors exhaust gases to help reduce pollutants
• Tracks the air-fuel ratio through the oxygen content of the exhaust gas
• Electrodes made with a gas-permeable platinum layer
• Coating protects the electrode surfaces from contamination and erosion by combustion residue and exhaust particulates
• Measures oxygen levels to help fine-tune the air-fuel mixture and support fuel economy

Quick facts

• Part: Walker Products 350-32017 oxygen sensor
• Fits: 1990-1992 Lexus LS400 V8 4.0L
• Position: Downstream
• Condition: New

A failing sensor can make the engine run poorly, raise fuel consumption or turn on the malfunction indicator light, though a damaged wiring harness or connector can be behind them too, so look those over for physical damage before replacing the sensor.

Fits

This is a direct-fit replacement for the 1990-1992 Lexus LS400 V8 4.0L, which takes one downstream sensor. This listing is one sensor.

Specifications