Mopar 56028997AA Oxygen Sensor Assembly

The Mopar 56028997AA is a genuine OEM heated oxygen sensor designed for precise exhaust gas oxygen measurement in Chrysler group vehicles. It features a four-wire configuration with a 660 mm cable length and pre-greased threads for installation. The sensor mounts in the left front position after the catalytic converter to monitor catalyst efficiency and provide feedback for fuel trim control. This component meets original equipment specifications for fit, form, and function across multiple engine platforms including the 4.0L inline-six, 4.7L V8, and 5.7L HEMI V8. Cross-referenced OE numbers include 56044629AA, 56028994AA, 56028995AA, 56028996AA, 05139020AA, and 05139021AA. The sensor operates at 12V system voltage and weighs approximately 1.36 kg.