Availability: 9 in stock
The Mopar Oxygen Sensor listed here carries part number 56041944AA and installs where the original was removed. It reports exhaust oxygen content so the ECM can hold its fuel trim. Catalogue application notes: Upstream (Rear). Federal / Export Emissions (Before Catalyst). Before Catalyst Rear. Up Stream. Match 56041944AA to the number on the failed component. Count the pins or check the connector keyway if two numbers look interchangeable. Stocked in the US and dispatched within one business day.
