Chrysler Oxygen Sensor 234-4881/56029084AA - Environmentally Compliant Replacement Choice

Chrysler oxygen sensor 234-4881/56029084AA installed in the exhaust manifold or pipe, monitors exhaust oxygen content and feeds engine control unit to precisely adjust the air-fuel ratio for combustion efficiency. Compatible with OEM numbers 234-4881, 56029084AA and 2344881; fits Chrysler 200, 300, Pacifica and other models. Installation difficulty moderate; 0.5–1 hour; avoid damaging threads and wiring harness. If MIL lights up, fuel consumption increases, or acceleration is weak, replacement may be needed.