Ensure accurate fuel level readings with the Dorman Fuel Sending Unit, designed specifically for 1973-1979 GMC and Chevrolet vehicles. This reliable unit helps maintain optimal fuel management, enhancing your driving experience. Engineered for precision, this sending unit provides accurate fuel level measurements, preventing unexpected fuel shortages. Compatible with automatic transmission models, ensuring seamless integration and functionality with your vehicle's systems. Designed for right side tank installation, this unit is easy to replace, saving you time and effort during maintenance. Featuring a 3/8 inch feed line diameter and 5/16 inch return line diameter, it maintains efficient fuel flow for optimal engine performance. Sold individually, this Dorman part is a reliable choice for restoring your vehicle's fuel sensor functionality. This Dorman Fuel Sending Unit (part number 692078) is compatible with GMC and Chevrolet models from 1973 to 1979, ensuring a perfect fit. Upgrade your vehicle's fuel system today!