Restore proper emissions function in your GM 6.6L Duramax LMM with the XDP XD1060 Rear Exhaust Gas Temperature (EGT) Sensor. Positioned after the DPF, this sensor monitors exhaust gas temperatures and reports that data to the ECM to assist with emissions and regeneration cycles. When this sensor fails, it can result in poor fuel economy, improper regen operation, or a check engine light. The XD1060 is engineered to meet the OE specifications for a direct-fit installation in the stock location. Built with high-quality materials to withstand extreme exhaust heat and vibration, this sensor is designed for long-lasting durability and reliability. Features: Monitors Exhaust Gas Temps Post-DPFDirect-Fit Replacement - Factory Rear EGT SensorDurable Construction To Handle High Heat And VibrationManufactured to OE-specifications For Consistent Performance