A Neck Filler Cap, also known as a Filler Cap serves as a cover for the fuel tank opening, preventing dirt, debris, and unauthorized access while ensuring the fuel remains securely contained within the tank. The design and functionality of neck filler caps can vary, but they generally serve the same purpose across different types.Attributes: • Ensures clean fuel and proper functioning of the system• Manufactured to precise specifications and are built for durability and reliabilityApplications:A Neck Filler Cap is used to maintain the integrity of the fuel system by sealing off the fuel tank opening.