The John Deere AL41479 is a genuine OEM brush holder designed for use in a wide range of John Deere agricultural and construction machinery. This essential component ensures proper electrical contact within the starter or alternator assembly, crucial for reliable engine starting and power generation. It is compatible with numerous John Deere tractor models including the 1020, 2030, 3140, and 4455 series, as well as combines like the 950 and 1177, and various loaders, dozers, and excavators. Manufactured to John Deere's stringent quality standards, the AL41479 provides durable and consistent performance.