Dodge Ram Oxygen Sensor 234-4029 56041953AA Precise Air-Fuel Ratio

Dodge Ram oxygen sensor 234-4029/OEM 56041953AA from KLP uses a high-temperature ceramic core and corrosion-resistant stainless steel housing; durability comparable to original. Fits Ram 1500 and 2500/3500 with 5.7L HEMI engines; real-time monitoring of exhaust oxygen content and sending precise air-fuel ratio signals to ECU. Addresses high-temperature vibration environments in exhaust systems, avoiding premature failure of lower-cost aftermarket parts.