The John Deere AZ40079 Cresta is an original equipment manufacturer (OEM) part designed for various John Deere combine models. This genuine crest plays a crucial role in the combine's threshing or cleaning system, contributing to efficient grain separation. Manufactured to John Deere's rigorous standards, it ensures precise fitment and long-lasting performance in demanding agricultural conditions. With a length of 254 mm, width of 254 mm, and height of 25.4 mm, and weighing approximately 0.23 kg, this crest is engineered for durability and reliability.