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 the fuel injection system to control and manage the fuel being injected in to the engine to ensure optimal air-fuel ratio (AFR).

This 2 wire pre cat oxygen sensor suits Holden vehicles fitted with the 304 V8 engine.

Features:

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

Specifications:

• Type: Zirconia
• Number of wires: 2

Contents:

• 1 X Pre catalytic oxygen sensor

Vehicle Fitment Guide

Notes:

• This oxygen sensor suits Holden Calais and Commodore from Eng. VU612774. Oxygen sensor to suit these vehicles till Eng. VU612773 can be purchased through another listing.
• This oxygen sensor suits Holden Caprice and Statesman from Eng. VU611187. Oxygen sensor to suit these vehicles till Eng. VU611186 can be purchased through another listing.
• Please make sure you are purchasing the correct oxygen sensor by checking the number of wires on your factory sensor. If you are unsure, please contact us for further assistance.
• Please verify that your oxygen sensor matches the dimensions of the one in this listing prior to purchase. If you are unsure, please contact us for further assistance.