The John Deere M157247SPEC is a genuine OEM spring designed for mower deck applications on a wide range of John Deere lawn tractors and ZTrak mowers. This durable spring provides essential tension for proper deck operation, contributing to consistent cutting performance. With a wire diameter of approximately 3.05 mm, an outer diameter of 22.86 mm, and a length of 172.11 mm, it is engineered to meet original equipment specifications for optimal fit and longevity. Weighing approximately 0.054 kg, this spring is a critical component for maintaining your mower's efficiency.