Features and BenefitsProtect your Combustion System from contaminants with a high-quality ACDelco Professional Fuel Filter. Each filter is thoroughly tested to meet your expectations for form, fit and function. 12-month/12,000 limited warranty**Whichever comes first. To the original retail purchaser. Parts only; installation not included. See your local retailer or independent service center that offers ACDelco Parts for details.Function & Signs of WearFind out more about ACDelco Professional Fuel Filters and how they fit into the Filtration System with the product facts below.FUNCTION: Traps fuel contaminants before they enter the engine's fuel delivery systemSIGNS OF WEAR: Rough-running engine, poor acceleration, decreased fuel economy, decreased power at high road speedsWhat It DoesThe Filtration System prevents contaminants from entering the engine and transmission while allowing enough fluid or airflow to keep them running properly.Service & MaintenanceReplacing your vehicle's filters on a regularly scheduled basis will help the vehicle run better and last longer. (Refer to your Owner's Manual for your vehicle's specific filter change intervals.) Clean filters contribute to better fuel economy and reduced vehicle operating costs.Thoroughly tested for fit, form and function.