The Case IH 73336218 Neck Filler is a genuine OEM replacement part designed for various Case IH JX series and New Holland TD, TL, TN series agricultural tractors. This critical component ensures proper sealing and access to the fuel tank, preventing leaks and contamination. Manufactured to original equipment specifications, it guarantees a precise fit and reliable performance, maintaining the integrity of your machinery's fuel system. Weighing approximately 0.09 kg, this durable neck filler is built for longevity in demanding farm environments.