Delphi ES10735 Oxygen Sensor - Front Right

Delphi ES10735 Oxygen Sensor for Mazda Millenia

Delphi ES10735 is a heated oxygen sensor built for front right placement on select Mazda Millenia models. It uses a 4-wire design, a square connector, and an 18 x 1.5 mm thread size for direct replacement service on the specified application.

Key Features

• Heated oxygen sensor for faster operating temperature response
• 4-wire configuration with square connector shape
• 18 x 1.5 mm thread size
• Overall length: 950.0
• Includes oxygen sensor and instruction sheet
• Front right position for confirmed fitment

Application Details

Compatible With 1997-2000 Mazda Millenia, front right. Delphi ES10735 is engineered using OE heritage and supplier experience developed through decades of original equipment work, bringing that knowledge into the aftermarket replacement part. This part cross-references Bosch 13879 for the same application.

What It Helps Address

• Check engine light related to oxygen sensor performance
• Incorrect air-fuel ratio readings
• Reduced fuel control from a slow or aging sensor
• Emissions test failures tied to sensor output
• Driveability issues caused by inaccurate exhaust oxygen feedback

Installation Notes and Tips

Verify the front right sensor location, connector shape, wire count, and thread size before installation. Inspect the harness routing and connector condition during replacement, and confirm the sensor seats properly in the exhaust bung. Use the vehicle service procedure for torque and electrical connection checks.

Quality Assurance

Delphi builds this replacement oxygen sensor with OE-focused engineering and manufacturing knowledge drawn from long-term original equipment supply experience. That background supports consistent fitment and sensor performance for the listed Mazda Millenia applications.