The John Deere AH166490 is a genuine OEM finger package plastic repair part designed for various John Deere combine harvesters. This essential component ensures proper operation and maintenance of the harvesting mechanism. It is compatible with S-Series (S660, S670, S680, S690, S760, S770, S780, S790), T-Series (T550, T560, T660, T670), W-Series (W540, W550, W650, W660), and 9000 Series combines (9000, 9010, 9050, 9060, 9070, 9540WTS, 9560WTS, 9580WTS, 9640WTS, 9660WTS, 9680WTS, 9780CTS, 9880STS). Weighing approximately 0.045 kg with dimensions of 25.4 mm x 25.4 mm x 25.4 mm, this part is crucial for reliable performance.