Delphi ES10954 Oxygen Sensor - Rear

Delphi ES10954 Oxygen Sensor Overview

Delphi ES10954 is a non-heated oxygen sensor built for emission control service on select Toyota and Geo applications. It uses a 2-wire design, square connector shape, and 18 x 1.5 mm thread size for direct-fit replacement where specified.

Backed by Delphi’s OE heritage and decades of supplier experience, this oxygen sensor reflects the same engineering focus used in original equipment development. It is listed for front and rear positions depending on the vehicle application, including 1988-1992 Toyota Camry, 1989-1990 Toyota Corolla, and 1990-1992 Geo Prizm.

Key Features

• Part number: ES10954
• Non-heated oxygen sensor design
• 2-wire configuration
• Square connector shape
• 18 x 1.5 mm thread size
• Overall length: 350.0
• Package contents: oxygen sensor and instruction sheet
• Position-specific coverage for front or rear applications, depending on vehicle

Detailed Description

Delphi ES10954 is an emission control oxygen sensor for vehicles that require a non-heated, 2-wire sensor with a square connector and 18 x 1.5 mm thread. It is engineered for direct replacement in confirmed applications and supports accurate exhaust monitoring on select Toyota Camry, Toyota Corolla, and Geo Prizm models. This part number, ES10954, is listed for 1988-1992 Toyota Camry, 1989-1990 Toyota Corolla, and 1990-1992 Geo Prizm configurations shown in the fitment data.

This part cross-references Bosch 12106 and DENSO Auto Parts 234-2068 for the same application.

What This Oxygen Sensor Helps Address

• Check engine light concerns related to oxygen sensor performance
• Incorrect exhaust oxygen signal readings
• Emission control faults on listed Toyota and Geo applications
• Rough idle or drivability issues tied to sensor degradation
• Failed emissions inspection caused by a worn sensor

Installation Notes and Tips

Verify the sensor position before ordering, since ES10954 is listed for front and rear locations depending on the vehicle. Confirm the connector shape, wire count, and 18 x 1.5 mm thread size against the original part before installation. Use the vehicle application details for 1988-1992 Toyota Camry, 1989-1990 Toyota Corolla, and 1990-1992 Geo Prizm to match the correct configuration.

Quality Assurance

Delphi draws on more than 100 years of OE experience and supplier knowledge from work with major automakers. That OE background is built into its aftermarket parts, including this oxygen sensor.