The John Deere E131620 Arm is an original equipment manufacturer (OEM) part designed for a wide range of John Deere agricultural and industrial machinery. This genuine arm ensures proper fit and reliable performance in critical applications across numerous models, including 6000D series tractors, 9900 series cotton pickers, 4700-4900 series sprayers, 4800-4900 series windrowers, 7000 series self-propelled forage harvesters, 2700 tillage equipment, and 3500 series sugar cane harvesters. Trust in OEM quality for durability and compatibility.