Delphi ES10899 Oxygen Sensor - Front
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Delphi

Delphi ES10899 Oxygen Sensor - Front

Brand Delphi ES10899
Position Front
Connector Shape Round
Overall Length 450.0
Package Contents Oxygen Sensor, Instruction Sheet
Sensor Type Heated
Thread Size 18 x 1.5 mm
Wire Quantity 4
Fits BMW and Land Rover · 108 vehicles

Heated sensor. Built for quicker operation and stable readings.

Round connector. Simplifies hookup with a clean, secure connection.

OE heritage. Backed by a century of original-equipment experience.

Cross-references BBB Industries 13559, Bosch 13477 and Bosch 15668 for the same application. See all 29.

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Delphi ES10899 Oxygen Sensor Overview

The Delphi ES10899 is a heated oxygen sensor built for front-position applications on select BMW and Land Rover vehicles. It uses a 4-wire design, a round connector, and an 18 x 1.5 mm thread size for direct-fit replacement in the exhaust stream.

Backed by Delphi’s OE heritage and decades of supplier experience, this oxygen sensor is engineered with the same application knowledge that supports original equipment development. The ES10899 is a practical choice for restoring accurate air-fuel feedback on vehicles such as BMW X3, BMW X5, and BMW 325i front sensor locations.

Key Features

  • Heated oxygen sensor for faster operating temperature and signal response
  • Front position application
  • 4-wire configuration with round connector shape
  • 18 x 1.5 mm thread size
  • Overall length: 450.0
  • Includes oxygen sensor and instruction sheet
  • Delphi part number ES10899

Detailed Description

Delphi ES10899 is an emission control oxygen sensor designed for front exhaust placement on a wide range of BMW and Land Rover applications. It is listed for models including 2004-2006 BMW X3, 2000-2006 BMW X5, 2001-2005 BMW 325xi, 2001-2005 BMW 330xi, 2003-2005 BMW Z4, and 2003-2005 Land Rover Range Rover, along with additional BMW fitments across the 1995-2003 model years. This part number, ES10899, is also cross-referenced to select Bosch, DENSO, NTK, and Walker Products numbers for the same application.

As a heated front oxygen sensor, it helps the engine control system monitor exhaust oxygen content so the vehicle can maintain proper fuel delivery and emissions performance. Delphi’s OE background is reflected in the application-specific design and connector/thread configuration.

What This Sensor Helps Address

  • Check engine light related to oxygen sensor performance
  • Rough idle caused by inaccurate exhaust feedback
  • Reduced fuel economy from incorrect air-fuel correction
  • Emission test failures tied to front sensor faults
  • Slow sensor response or heater circuit-related trouble codes

Installation Notes and Tips

Verify the front sensor location, connector shape, wire count, and thread size before installation. Confirm the vehicle-specific application for BMW X3, BMW X5, BMW 325i, BMW 330i, and related models listed for ES10899, since front sensor placement and build dates can vary. Use the included instruction sheet during installation and inspect the exhaust bung threads for damage or contamination before threading in the new sensor.

Quality Assurance

Delphi builds this oxygen sensor using OE experience and application knowledge developed through long-term supplier work with major automakers. That OE heritage is carried into the aftermarket part design for consistent fit and function on the listed front sensor applications.

Related reading

This part fits 108 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeTransmissionPositionNotes
2006BMWX3—ManualFrontLocated on Manifold
2006BMWX5——Front—
2005BMW325xi——Front—
2005BMW330xi——Front—
2005BMWX3—ManualFrontLocated on Manifold
2005BMWX3——FrontLocated on Manifold
2005BMWX5——Front—
2005BMWZ4——FrontCylinders 1 through 6
2005Land RoverRange Rover——Front—
2004BMW325xi——Front—
2004BMW330xi——Front—
2004BMWX3—ManualFrontLocated on Manifold
2004BMWX3——FrontLocated on Manifold
2004BMWX5——Front—
2004BMWZ4——FrontCylinders 1 through 6
2004Land RoverRange Rover——Front—
2003BMW325Ci——FrontTo 03/2003
2003BMW325i——FrontTo 03/2003
2003BMW325xi——Front—
2003BMW330Ci——FrontTo 03/2003
2003BMW330i——FrontTo 03/2003
2003BMW330xi——Front—
2003BMW525i——Front—
2003BMW530i——Front—
2003BMW540i——Front—
2003BMWM5——Front—
2003BMWX5——Front—
2003BMWZ4——FrontCylinders 1 through 6
2003BMWZ8——Front—
2003Land RoverRange Rover——Front—
2002BMW325Ci——Front—
2002BMW325i——Front—
2002BMW325xi——Front—
2002BMW330Ci——Front—
2002BMW330i——Front—
2002BMW330xi——Front—
2002BMW525i——Front—
2002BMW530i——Front—
2002BMW540i——Front—
2002BMWM5——Front—
2002BMWX5——Front—
2002BMWZ3——Front—
2002BMWZ8——Front—
2001BMW325Ci——Front—
2001BMW325i——Front—
2001BMW325xi——Front—
2001BMW330Ci——Front—
2001BMW330i——Front—
2001BMW330xi——Front—
2001BMW525i——Front—
2001BMW530i——Front—
2001BMW540i——Front—
2001BMW740i——Front—
2001BMW740iL——Front—
2001BMW750iL——Front—
2001BMWM5——Front—
2001BMWX5——Front—
2001BMWZ3——Front—
2001BMWZ8——Front—
2000BMW323Ci——Front—
2000BMW323i——Front—
2000BMW328Ci——Front—
2000BMW328i——Front—
2000BMW528i——Front—
2000BMW540i——Front—
2000BMW740i——Front—
2000BMW740iL——Front—
2000BMW750iL——Front—
2000BMWM5——Front—
2000BMWX5——Front—
2000BMWZ3——Front—
2000BMWZ8——Front—
1999BMW318ti——Front—
1999BMW323iSedan—Front—
1999BMW328iSedan—Front—
1999BMW528i——Front—
1999BMW540i——Front—
1999BMW740i——Front—
1999BMW740iL——Front—
1999BMW750iL——Front—
1999BMWZ3——Front—
1998BMW318i——Front—
1998BMW318ti——Front—
1998BMW540i——Front—
1998BMW740i——Front—
1998BMW740iL——Front—
1998BMW750iL——Front—
1998BMWZ3——Front—
1997BMW318i——Front—
1997BMW318is——Front—
1997BMW318ti——Front—
1997BMW540i——Front—
1997BMW740i——Front—
1997BMW740iL——Front—
1997BMW750iL——Front—
1997BMW840Ci——Front—
1997BMW850Ci——Front—
1997BMWZ3——Front—
1996BMW318i——Front—
1996BMW318is——Front—
1996BMW318ti——Front—
1996BMW740iL——Front—
1996BMW750iL——Front—
1996BMW840Ci——Front—
1996BMW850Ci——Front—
1996BMWZ3——Front—
1995BMW750iL——Front—
1995BMW850Ci——Front—
Directly replaces or cross-references 29 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BBB Industries — 13559Bosch — 13477Bosch — 15668DENSO Auto Parts — 234-4672NTK — 25569Walker Products — 250-2461111 78 1 247 40611 78 1 247 40711 78 1 433 07511 78 1 742 04911 78 1 742 05011 78 7 513 962138-69121314722131473MHK 000210OS1006OS1061OS2350REA1154REA1837SG1096SG1108SG1517SG1705SU5707SU5732SU6952SU6968