The John Deere AL172440 is an authentic OEM brake line designed for a range of John Deere agricultural and utility tractors. This critical component ensures the proper transfer of hydraulic pressure within the braking system, contributing to safe and effective stopping power. Manufactured to John Deere's stringent quality standards, the AL172440 provides a precise fit and durable performance, maintaining the integrity of the tractor's brake system. It is a direct replacement part, ensuring compatibility and ease of installation for specified models.