Rear Oxygen Sensor for 1990-1992 Lexus LS400 - Delphi ES10947

Delphi ES10947 rear oxygen sensor for the 1990-1992 Lexus LS400 V8 4.0L measures the oxygen in the exhaust and sends the reading to the engine computer. This Delphi oxygen sensor is built to Delphi's OE standards, as are all Delphi O2 sensors.

• Planar technology covers older, conical design sensors
• Smart design consolidates SKUs without using long wires
• Patented protective sensor coating helps prevent contamination
• Validated for all fuel types, including ethanol blends like E85
• Tested to 150,000 miles, plus 2,000 hours of severe thermal testing

Quick facts

• Part: Delphi ES10947 oxygen sensor
• Fits: 1990-1992 Lexus LS400 V8 4.0L
• Position: Rear
• Condition: New

A check engine light, rough running or poor fuel economy can mean an oxygen sensor is wearing out. Before you replace it, rule out an exhaust leak, damaged wiring or a fuel-system fault, since those can look much the same from the driver's seat.

Fits

This is a direct-fit replacement for the rear position on the 1990-1992 Lexus LS400 V8 4.0L.

Specifications

In the box

One oxygen sensor and one instruction sheet. This listing holds one sensor, and the 1990-1992 Lexus LS400 V8 4.0L takes two.

Interchange: 234-2009 · 234-2015 · 138-565 · 89465-50020
2131209 · 2131218 · 2131437 · OS704 · 13471 · 24507 · REA1779 · SG1303 · 25022009 · SU4947