HomeEmission Control > SensorsDelphi ES10735 Oxygen Sensor - Front Right
Part #: ES10735

Delphi ES10735 Oxygen Sensor - Front Right

Front Right
4 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mazda, Millenia
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Delphi Heated Oxygen Sensor for Mazda Millenia

The Delphi ES10735 oxygen sensor is designed specifically for the front right position on Mazda Millenia models. This heated oxygen sensor helps maintain optimal engine performance and emissions control by providing accurate air-fuel mixture data to the vehicle’s engine control unit.

  • Heated sensor type for faster response times
  • 4-wire design ensuring reliable electrical connections
  • Square connector shape for secure fitment
  • Thread size of 18 x 1.5 mm compatible with Mazda Millenia exhaust ports
  • Overall length of 950 mm for proper installation reach
  • Includes oxygen sensor and instruction sheet for installation guidance

Technical Details and Compatibility

The Delphi ES10735 oxygen sensor features a heated element that allows the sensor to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance. The square connector shape matches the factory wiring harness on Mazda Millenia vehicles, simplifying installation. With a thread size of 18 x 1.5 mm and an overall length of 950 mm, this sensor fits precisely in the front right exhaust position, maintaining OEM specifications.

Common Applications and Problem Resolution

This oxygen sensor is compatible with Mazda Millenia models requiring a front right heated oxygen sensor. It is used to monitor exhaust gases and provide feedback to the engine control module for optimal combustion. Installing the Delphi ES10735 can help address issues such as:

  • Check engine light triggered by faulty oxygen sensor readings
  • Poor fuel economy due to incorrect air-fuel mixture
  • Increased emissions failing regulatory standards
  • Engine hesitation or rough idling caused by sensor malfunction
  • Failed emissions tests related to sensor performance

Installation Notes and Tips

When installing the Delphi ES10735 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the included instruction sheet for proper torque specifications and wiring connections. Verify the square connector aligns correctly with the factory harness to prevent electrical issues. It is recommended to inspect the exhaust port threads for damage before installation and apply anti-seize compound if necessary to facilitate future removal.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet or exceed OEM standards for durability and accuracy. The ES10735 part number undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship, providing confidence in product longevity and performance.

BrandDelphi
Part NumberES10735
Connector ShapeSquare
Overall Length950.0
Package ContentsOxygen Sensor, Instruction Sheet
Position(s)Front Right
Sensor TypeHeated
Thread Size18 x 1.5 mm
Wire Quantity4

This part fits 4 vehicles. Search below:

YearMakeModelPositionNotes
2000MazdaMilleniaFront Right
1999MazdaMilleniaFront Right
1998MazdaMilleniaFront Right
1997MazdaMilleniaFront Right

* 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:

138-75813879156-4327213136821314092131441234-4036234-40372423025024362KL62-18-861KL62-18-861AKL62-18-861A9UOS1799REA1178SG1045SU4585

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