The Spectra Premium Industries, Inc. FN851 Fuel Tank Filler Neck is engineered to provide a direct replacement for your vehicle's existing filler neck, ensuring seamless integration and reliable performance. Designed with a threaded cup type and a diameter of 1-1/2 inches, this filler neck measures 8-1/2 inches in length, accommodating a 5/8-inch vent. Manufactured from premium materials, it meets or exceeds original equipment specifications, offering durability and longevity. Installation is straightforward, requiring no vehicle modifications, which minimizes downtime and labor costs. This product is compatible with gas fuel types, making it suitable for a range of vehicles. By choosing the FN851 Fuel Tank Filler Neck, fleet operators can maintain optimal fuel system functionality, reduce maintenance intervals, and enhance vehicle uptime, thereby improving overall operational efficiency.