APW Warehouse Supplies AP4-112 Oxygen Sensor

The APW Warehouse Supplies AP4-112 is a direct-fit oxygen sensor designed to monitor exhaust gas oxygen levels and provide critical feedback to your vehicle's engine control module (ECM). This sensor plays a vital role in maintaining optimal air-fuel ratio, ensuring efficient combustion, reduced emissions, and improved fuel economy.

Key Features:

• Monitors oxygen content in exhaust gases for precise air-fuel mixture control
• Helps maintain the ideal stoichiometric ratio of 14.7:1 for optimal engine performance
• Constructed with durable materials designed to withstand high exhaust temperatures
• Direct replacement for worn or failed factory oxygen sensors
• Essential component for passing emissions testing and reducing harmful exhaust pollutants

Oxygen sensors are critical emission control components that degrade over time due to exposure to extreme heat, contaminants, and normal wear. A failing oxygen sensor can cause reduced fuel economy, rough idle, poor acceleration, and illuminated check engine lights. The APW AP4-112 provides reliable performance to restore proper engine management system function.