758EE, 748UU Spark Plug Wire Set for 2014-2018 Sierra 1500 Silverado 1500 This spark plug wire set is designed to fit models from 2014 to 2018 including the Sierra 1500 and Silverado 1500.It provides ignition performance with construction intended for consistent transmission.The wires are configured to match specifications for proper fit and function.Each set includes all necessary components for installation on compatible vehicles. This product is an aftermarket solution.Brand names are mentioned only to clarify compatibility with specific models.