PAIR OF PREMIUM CATALYTIC OXYGEN O2 SENSORS TO SUIT HOLDEN CALAIS VT VX VY 304 LS1 5.0L 5.7L V8

Premium pre cat O2 sensors 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 304 and LS1 V8 engines.

Features:

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

Specifications:

• Type: Zirconia
• Number of wires: 4
• Location: Pre cat left or right bank

Contents:

• 2 X Pre catalytic oxygen sensor

Vehicle Fitment Guide

Note: 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.