Premium pre cat O2 sensor are manufactured utilizing proven OE technology and are guaranteed to provide durable and efficient performance.

The Pre catalytic oxygen sensor is located before the catalytic converter and directly analyses the emission coming from the engine. It measures the oxygen content in the exhaust gases of an engine. Based on the output, it works together with the electronic control unit (ECU) and fuel injection system to control and manage the fuel being injected in to the engine to ensure optimal air-fuel ratio (AFR).

These Pre cat oxygen sensors suit Holden vehicles fitted with the Ecotec L36 V6 engine.

Features:

• Reduced fuel consumption.
• Less harmful emissions.
• Corrosion-resistant construction.
• Superior design for maximum engine performance.

Specifications:

• Type: Zirconia
• Number of wires: 2
• Location: Pre cat left or right bank

Contents:

• 2 X Pre catalytic oxygen sensor

Vehicle Fitment Guide

Notes:

• Please make sure you are purchasing the correct oxygen sensor by checking the number of wires on your factory sensor and verify that your oxygen sensor matches the dimensions of the one in this listing. If you are unsure, please contact us for further assistance.
• A pair of 4 wire pre-catalytic oxygen sensor to suit the VY Ecotec L36 can be purchased through another listing.