Ensure your vehicle's fuel gauge operates flawlessly with the Dorman Fuel Sending Unit. Designed specifically for Chevrolet and GMC models from 1983 to 1984 with a 20-gallon fuel tank, this essential component guarantees accurate fuel level readings. Precision Measurement: Reliable fuel level sensing helps prevent running out of gas unexpectedly. Easy Installation: This unit is designed to fit seamlessly, making it a straightforward replacement for your existing sending unit. Durable Design: Built to withstand the rigors of fuel exposure, ensuring long-lasting performance. Compatibility: Specifically engineered for 20-gallon fuel tank models, ensuring a proper fit and function. This Dorman sending unit features a 3/8 inch feed line diameter and a 5/16 inch return line diameter, making it compatible with standard fuel systems. Upgrade your fuel gauge system with confidence.Trust Dorman for quality and reliability in your vehicle's fuel management system.