Autopart International 1900-524141 Air Fuel Ratio Sensor

The Autopart International 1900-524141 is a high-quality replacement air fuel ratio sensor designed to restore proper engine performance and fuel economy. This upstream sensor monitors the oxygen content in the exhaust stream and provides critical data to the engine control module, allowing it to optimize the air-fuel mixture for maximum efficiency and reduced emissions.

Key Features:

• Direct-fit replacement sensor for reliable installation
• Upstream mounting position for accurate pre-catalytic converter monitoring
• California emissions compliant design
• Engineered to meet or exceed OEM specifications
• Helps maintain optimal fuel efficiency and engine performance

This sensor is essential for maintaining proper engine operation, preventing check engine lights, and ensuring your vehicle passes emissions testing. When air fuel ratio sensors fail, symptoms can include poor fuel economy, rough idle, hesitation, and increased emissions.

Cross-Reference Numbers: DENSO 2349024, Walker Products 25054001