The ARMADA 3.375" aluminum non locking diesel fuel cap is designed to withstand harsh diesel environments. Tailored specifically for Kenworth vehicles, it ensures a secure and snug fit. The non-locking design facilitates hassle-free access while maintaining established safety standards. This cap provides a tight seal, preventing leaks and maintaining fuel integrity. Its aluminum construction offers the convenience of a lightweight design without sacrificing strength, optimizing functionality and reliability for Kenworth applications.