The ACDelco Spark Plug Wire Set 9748HH is a direct replacement OE spec part specifically designed for GMC, Chevrolet, and Cadillac vehicles from 1999 to 2007. Manufactured by the factory with a lifetime warranty, this spark plug wire set is made in Mexico and is compatible with part numbers 8882385 and 748HH. Perfect for ensuring reliable ignition performance and a proper fit, this high-quality component is essential for maintaining the engine's efficiency and power output.