John Deere Original Equipment Extension Spring – M79152 This fits John Deere Riding Mower models: 160, 261, 2032R, 120, 140, 300, 312, 314, 316, 317, 318, 322, 330, 332, 400, 420, 425, 430 and 455. John Deere Compact tractor models: 655, 755, 855, 955, 2210, 4010, 4510, 4610, 4710, 4100, 4200, 4300, 4400, 4500, 4600, 4700 and 2305. This is a genuine John Deere part. Thanks for looking! This extension spring is designed to provide tension and support in various mechanical applications, ensuring reliable performance and durability, Key specifications include a wire diameter of 2.03 mm (0.08 in), a free length of 213 mm (8.39 in), and an outer diameter of 19.84 mm (0.78 in), making it suitable for diverse uses.