HomeEmission Control > SensorsDelphi ES20167 Oxygen Sensor - Rear
Part #: ES20167

Delphi ES20167 Oxygen Sensor - Rear

Rear
10 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Volvo, S40 and V40
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Overview of Delphi ES20167 Heated Oxygen Sensor

The Delphi ES20167 is a heated oxygen sensor designed specifically for rear position installation on select Volvo models. Engineered to provide accurate emissions data, this sensor supports optimal engine performance and helps maintain compliance with emission standards.

  • Heated sensor type for faster response times
  • 4-wire configuration ensuring reliable signal transmission
  • Flat connector shape for secure and proper fitment
  • Thread size of 18 x 1.5 mm compatible with designated Volvo models
  • Overall length of 970 mm for precise installation
  • Includes oxygen sensor and instruction sheet for installation guidance

Detailed Product Description

The Delphi ES20167 oxygen sensor is engineered to meet the specific requirements of Volvo S40 and V40 vehicles. Its heated sensor design allows the unit to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 4-wire setup includes two wires for the heating element and two for the sensor signal, ensuring accurate and stable readings. The flat connector shape is designed to match factory wiring harnesses, simplifying installation and reducing the risk of connection issues. With a thread size of 18 x 1.5 mm and an overall length of 970 mm, this sensor fits precisely in the rear position of the exhaust system, providing reliable data for the vehicle’s engine control unit.

Common Applications and Issues Addressed

  • Helps correct air-fuel mixture for improved combustion efficiency
  • Reduces harmful emissions by providing accurate oxygen level readings
  • Prevents engine performance problems related to faulty sensors
  • Addresses check engine light triggers related to oxygen sensor faults
  • Supports proper operation of catalytic converters in Volvo S40 and V40 models

Installation Notes and Tips

When installing the Delphi ES20167 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the included instruction sheet for guidance on proper torque specifications and connector engagement. Verify the sensor’s orientation and position in the rear exhaust location to maintain accurate readings. It is recommended to inspect wiring and connectors for damage before installation to ensure optimal sensor performance.

Quality Assurance and Warranty

Delphi manufactures the ES20167 oxygen sensor to meet OEM standards for durability and performance. The sensor undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details may vary, Delphi typically offers coverage against manufacturing defects to provide confidence in product quality.

BrandDelphi
Part NumberES20167
Connector ShapeFlat
Overall Length970.0
Package ContentsOxygen Sensor, Instruction Sheet
Position(s)Rear
Sensor TypeHeated
Thread Size18 x 1.5 mm
Wire Quantity4

This part fits 10 vehicles. Search below:

YearMakeModelPositionNotes
2004VolvoS40Rear
2004VolvoV40Rear
2003VolvoS40Rear
2003VolvoV40Rear
2002VolvoS40Rear
2002VolvoV40Rear
2001VolvoS40Rear
2001VolvoV40Rear
2000VolvoS40Rear
2000VolvoV40Rear

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

16292234486225024428256033061733630617336-03088706830887068-0OS1657REA1564SG903SU5854

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.