Delphi ES10929 Oxygen Sensor - Front, Front Left or Front Right

Delphi ES10929 Oxygen Sensor for Toyota and Lexus

The Delphi ES10929 oxygen sensor is built for front sensor locations on select Toyota and Lexus applications, including California-emissions air-fuel ratio sensor setups. It uses a 4-wire design, a square connector, and an 18 x 1.5 mm thread size for direct-fit replacement where specified.

Key Features

• Part number: ES10929
• 4-wire oxygen sensor design
• Square connector shape
• 18 x 1.5 mm thread size
• Overall length: 500.0
• Includes oxygen sensor and instruction sheet
• Front, front left, and front right positions listed by application
• OE heritage backed by Delphi’s long experience supplying original equipment to major automakers

Detailed Description

Delphi ES10929 is an emission control sensor for front-mounted air-fuel ratio applications on select Lexus RX300, ES300, and Toyota Highlander, RAV4, Camry, Sienna, Solara, and Avalon models. The sensor’s 4-wire configuration, square connector, and 18 x 1.5 mm thread size support the factory-style fit required for the listed vehicles and positions. Delphi draws on OE knowledge developed over decades of supplying automakers, and that engineering background is reflected in this aftermarket replacement. This part number, ES10929, is also referenced in cross-application catalogs for several equivalent OE-style listings.

Vehicle Fitment

• Fits 1999-2003 Lexus RX300, Front
• Fits 2001-2003 Toyota Highlander, Front
• Fits 2001-2003 Toyota RAV4, Front Left
• Fits 1997-2000 Toyota Camry, Front Right, with California Emission System; Air-Fuel Ratio Sensor
• Fits 1997-2000 Toyota Camry, Front Left, with California Emission System; Air-Fuel Ratio Sensor
• Fits 1997-2000 Toyota RAV4, Front, with California Emission System; Air-Fuel Ratio Sensor
• Fits 1999-2000 Toyota Sienna, Front Right, with California Emission System; Air-Fuel Ratio Sensor
• Fits 1999-2000 Toyota Sienna, Front Left, with California Emission System; Air-Fuel Ratio Sensor
• Fits 1999-2000 Toyota Solara, Front Right, with California Emission System; Air-Fuel Ratio Sensor
• Fits 1999-2000 Toyota Solara, Front Left, with California Emission System; Air-Fuel Ratio Sensor
• Fits 1999 Lexus ES300, Front Right
• Fits 1999 Lexus ES300, Front Left
• Fits 1997-1999 Toyota Avalon, Front Right, with California Emission System; Air-Fuel Ratio Sensor
• Fits 1997-1999 Toyota Avalon, Front Left, with California Emission System; Air-Fuel Ratio Sensor
• Fits 1997-1998 Lexus ES300, Front Right, with California Emission System; Air-Fuel Ratio Sensor
• Fits 1997-1998 Lexus ES300, Front Left, with California Emission System; Air-Fuel Ratio Sensor

What It Helps Address

• Check engine light related to oxygen sensor or air-fuel ratio sensor faults
• Incorrect fuel trim readings on the listed Toyota and Lexus applications
• Rough idle or drivability issues tied to front sensor signal problems
• Failed emissions inspection caused by a worn front sensor
• Replacement needs after sensor contamination or age-related response slowdown

Installation Notes and Tips

Verify the exact position on your vehicle before ordering, since this part is listed for front, front left, and front right applications depending on model and emissions package. Confirm connector shape, wire count, and thread size against the original sensor before installation. For the listed Toyota Camry, RAV4, Sienna, Solara, and Avalon applications, check whether the vehicle uses the California Emission System and air-fuel ratio sensor configuration.

Quality Assurance

Delphi builds this replacement using OE heritage and technical knowledge developed through long-term supplier relationships with major automakers. The ES10929 is engineered as an aftermarket emission control sensor for the specified Toyota and Lexus fitments.