Delphi ES20387 Oxygen Sensor - Center
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Delphi

Delphi ES20387 Oxygen Sensor - Center

Brand Delphi ES20387
Position Center
Connector Shape Square
Overall Length 365.0
Package Contents Oxygen Sensor, Instruction Sheet
Sensor Type Heated
Thread Size 18 x 1.5 mm
Wire Quantity 4
Fits Mazda · 2 vehicles

Heated sensor. Delivers faster operating temperature for quicker emissions monitoring.

Square connector. Simplifies hookup with a straightforward, secure electrical connection.

OE heritage. Built from a century of original-equipment experience and knowledge.

Cross-references Bosch 15316, DENSO Auto Parts 234-4750 and Gates 22519 for the same application. See all 8.

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Delphi ES20387 Oxygen Sensor for Mazda MPV

Delphi ES20387 is a heated oxygen sensor built for precise exhaust feedback in the 2000-2001 Mazda MPV, center position, without California Emission System. It uses a 4-wire design, square connector, and 18 x 1.5 mm thread size for a direct-fit style replacement.

Key Features

  • Heated oxygen sensor for faster operating temperature and stable signal output
  • 4-wire configuration with square connector shape
  • 18 x 1.5 mm thread size
  • Overall length: 365.0
  • Includes oxygen sensor and instruction sheet
  • Fits the center position on 2000-2001 Mazda MPV without California Emission System

Detailed Description

Delphi ES20387 is engineered from OE heritage and decades of supplier experience with major automakers. For Mazda MPV owners searching for a 2000-2001 Mazda MPV center oxygen sensor, this part provides the correct heated sensor layout, connector style, and thread specification for the listed application. The ES20387 part number is also a useful reference when cross-checking replacement options for the same vehicle fitment.

This part cross-references Bosch 15316 for the same application.

What It Helps Address

  • Check engine light related to oxygen sensor performance
  • Incorrect air-fuel ratio feedback from a worn sensor
  • Reduced fuel control accuracy during closed-loop operation
  • Slow sensor response after warm-up
  • Exhaust emissions issues tied to aging sensor output

Installation Notes and Tips

Confirm the vehicle is a 2000-2001 Mazda MPV with the center sensor location and without California Emission System before ordering. Match the 4-wire square connector and 18 x 1.5 mm thread size to the original sensor. Review the included instruction sheet before installation and inspect the harness routing and connector condition during replacement. The ES20387 is also referenced by DENSO Auto Parts 234-4750 and Gates 22519 for the same application.

Quality Assurance

Delphi builds this oxygen sensor using OE experience and supplier knowledge developed over 100 years of working with top automakers. That OE background is reflected in the sensor design and application-specific fitment for the Mazda MPV.

Related reading

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2001MazdaMPVCenterwithout California Emission System
2000MazdaMPVCenterwithout California Emission System
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Bosch — 15316DENSO Auto Parts — 234-4750Gates — 225195S364125024378GY05-18-861A9USG977SU5797