Jeep Ram Oxygen Sensor 68291423AB 68291423AA Fits Gladiator/Wrangler/Promaster

Jeep Gladiator, Wrangler, and Ram ProMaster 1500/2500/3500 oxygen sensor, OEM numbers 68291423AB/68291423AA. Installed on the exhaust manifold or pipe, monitors exhaust oxygen content and feeds back to ECU to adjust air-fuel ratio for combustion efficiency and emissions. Installation difficulty medium; recommended labor time 30–60 minutes; avoid thread damage. If the engine warning light is on, fuel consumption increases, idle is unstable, or acceleration is weak, the sensor may be faulty.