The John Deere RE53966 is a genuine OEM rocker arm designed for a wide range of John Deere agricultural, construction, and industrial machinery. This critical engine component ensures precise valve operation, contributing to efficient engine performance and longevity. Measuring approximately 95 mm in length, 51 mm in width, and 51 mm in height, and weighing 0.12 kg, this rocker arm is engineered to exact specifications for a perfect fit and reliable function. It is compatible with numerous John Deere engines, including the 6081, 6076, 6101, 6068, and 6059 series, found in models such as 8000/8010/8020/8030 series tractors, 9000/S-series combines, 4000/4900 series sprayers, and 6000/7000 series forage harvesters.