The John Deere RE521822 Fuel Temperature Sensor is designed to monitor fuel temperature on the right side of compatible diesel engines, helping to optimize engine performance and fuel efficiency. By delivering precise data to the engine control system, this sensor ensures accurate adjustments in fuel injection and combustion, improving overall engine operation under varying loads and temperatures. Built for durability and reliability, the RE521822 is crafted to withstand harsh working environments and exposure to fuel over extended periods. Whether you’re addressing a sensor fault or completing preventive maintenance, this part helps restore accurate monitoring and system responsiveness. Easy to install and compatible with specific John Deere models, it plays a key role in maintaining emissions compliance and preventing potential engine strain. Keep your equipment running efficiently and reduce unexpected downtime by choosing quality parts like this sensor from Doggett John Deere.








