Delphi ES20408 Oxygen Sensor - Rear

Rear Oxygen Sensor for Honda CR-V

Delphi ES20408 is a heated rear oxygen sensor built for 2010-2011 Honda CR-V applications. It uses a 4-wire design, square connector, and 18 x 1.5 mm thread size to match the specified rear position on these vehicles.

Key Features

• Heated oxygen sensor for rear exhaust monitoring
• 4-wire configuration for signal and heater circuit operation
• Square connector shape for OE-style electrical connection
• 18 x 1.5 mm thread size for proper exhaust mounting
• Overall length: 335.0 mm
• Includes oxygen sensor and instruction sheet
• Fits 2010-2011 Honda CR-V, rear

Detailed Description

Delphi ES20408 is an emission control sensor engineered for rear-position use on the 2010-2011 Honda CR-V. Delphi draws on OE experience and supplier knowledge developed through work with major automakers, and that background is reflected in the sensor design and application matching. The heated sensor layout helps support exhaust monitoring after the catalytic converter, while the square connector and 4-wire configuration align with the listed vehicle fitment. This part cross-references Bosch 18050 for the same application.

For buyers searching for a rear oxygen sensor for 2010 Honda CR-V or 2011 Honda CR-V rear replacement, Delphi ES20408 provides the specified fitment and connection style. The part number ES20408 is also useful when comparing replacement options against OE-style references for this Honda CR-V application.

What It Helps Address

• Check engine light related to rear oxygen sensor performance
• Incorrect exhaust gas feedback from the rear sensor location
• Heater circuit faults tied to the oxygen sensor
• Emissions inspection failures caused by sensor-related issues
• Rough or inconsistent fuel control when sensor data is inaccurate

Installation Notes and Tips

Confirm the rear sensor location before installation and verify the connector shape, wire count, and thread size against the original part. Inspect the exhaust bung threads and wiring routing before tightening the sensor. Use the included instruction sheet during installation, and clear diagnostic trouble codes after the repair is complete. Search terms such as 2010-2011 Honda CR-V rear oxygen sensor replacement and Delphi ES20408 Honda CR-V rear sensor match this application.

Quality Assurance

Delphi builds aftermarket parts using OE heritage and technical knowledge developed from supplying major automakers, with the goal of matching the listed application requirements for fit and function.