The John Deere R528098 is a genuine OEM camshaft gear designed for a wide range of John Deere agricultural and construction equipment. This critical component plays a vital role in the engine's timing system, ensuring the camshaft rotates in sync with the crankshaft for optimal valve operation and engine performance. Manufactured to John Deere's rigorous standards, this R528098 gear provides reliable and durable operation, maintaining engine efficiency and longevity across compatible models including 6D, 7R, 8R, 9R series tractors, S-series combines, and more. With approximate dimensions of 120 mm length, 120 mm width, and 25 mm height, and a weight of 0.36 kg, it is engineered for a perfect fit and seamless integration into the engine's timing mechanism.