Description: Bonneville, LeSabre. Ac mu1165. Park Avenue. From vin #y4120965. Without supercharger. 4.6l. All, 4.6L. Seville. Helps provide a reliable fuel supply to your vehicle's engine Electrical connections are designed to help eliminate high resistance due to vehicle vibration Designed to optimize pump life and reduce fuel pump noise This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors .