Delphi ES20035 Oxygen Sensor - Front or Rear

Delphi ES20035 Heated Oxygen Sensor Overview

The Delphi ES20035 is a heated oxygen sensor designed for precise emission control in Toyota Pickup and Van models. Featuring a 4-wire configuration and a square connector shape, this sensor ensures accurate readings and reliable performance in both front and rear positions.

• Heated oxygen sensor for improved response time
• 4-wire design for enhanced signal accuracy
• Square connector shape for secure fitment
• Thread size of 18 x 1.5 mm compatible with Toyota vehicles
• Overall length of 580 mm for proper installation depth
• Includes oxygen sensor and instruction sheet

Detailed Product Description

The Delphi ES20035 oxygen sensor is engineered to meet the specific emission control requirements of Toyota Pickup and Van models. Its heated sensor type allows for faster warm-up times, which helps the engine control unit (ECU) maintain optimal air-fuel mixture and reduce harmful emissions. The 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent operation under various driving conditions. The square connector shape provides a secure and reliable electrical connection, minimizing the risk of disconnection or signal loss. With a thread size of 18 x 1.5 mm and an overall length of 580 mm, this sensor fits precisely in the designated front or rear positions depending on your vehicle's specifications.

Common Applications and Issues Addressed

• Helps resolve rough idling caused by incorrect air-fuel mixture
• Reduces engine hesitation and poor acceleration
• Prevents increased emissions and failed emissions tests
• Addresses check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by providing accurate oxygen level data

Installation Notes and Tips

When installing the Delphi ES20035 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct thread size (18 x 1.5 mm) to avoid cross-threading. Verify the sensor position (front or rear) according to your Toyota Pickup or Van’s service manual. Connect the 4-wire harness securely to the square connector to maintain proper sensor function. Follow the included instruction sheet for detailed installation guidance.

Quality Assurance and Warranty

Delphi manufactures the ES20035 oxygen sensor to meet OEM standards for durability and performance. While specific warranty details are not provided here, Delphi products typically come with a limited warranty covering defects in materials and workmanship. For warranty information, refer to Delphi’s official documentation or contact your parts provider.