Oxygen Sensor for 1990-1993 Mercedes-Benz 300TE - Walker 250-23063

Walker Products 250-23063 oxygen sensor for the 1990-1993 Mercedes-Benz 300TE 6-cylinder 3.0L measures the oxygen in the exhaust gas to show how efficiently the engine burns fuel. It is an upstream, 3-wire, narrow-band sensor with a direct fit.

• Made for its specific application and installed position, with the diagnostic feedback the ECU requires
• Monitors exhaust gases to help reduce pollutants
• Determines the oxygen content of the exhaust gas and monitors the air fuel ratio for combustion efficiency
• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates
• Measures oxygen levels to help fine-tune the air-fuel mixture and fuel economy
• Electrodes made of a gas-permeable platinum layer

Quick facts

• Part: Walker Products 250-23063 oxygen sensor
• Fits: 1990-1993 Mercedes-Benz 300TE 6-cylinder 3.0L
• Position: Upstream
• Condition: New

A failing sensor can show up as rough running, higher fuel use, more exhaust emissions or a lit check engine light. These signs alone do not prove the sensor is the problem, since a vacuum leak can cause them too. The sensor, wiring harness and connector should also be checked for physical damage.

Fits

This sensor fits the 1990-1993 Mercedes-Benz 300TE with the L6-3.0L engine. This listing is one sensor, and the car takes one.

Specifications