The John Deere SU45541 is a genuine OEM brake piston designed for various John Deere agricultural tractors. This essential component ensures proper hydraulic pressure and function within the braking system, contributing to safe and effective stopping power. It is a direct replacement part, manufactured to John Deere's specifications for durability and precise fitment, crucial for maintaining the integrity and performance of your tractor's brakes. This brake piston is compatible with specific models in the 5R, 5M, 6M, 6R, and 6000 series.