The John Deere R80136 is an authentic OEM oil filler cap designed to provide a secure and tight seal for the engine oil fill port on a wide range of John Deere agricultural and utility equipment. This genuine replacement part is crucial for preventing contaminants from entering the engine and for maintaining proper oil levels. Constructed from durable materials, it ensures a long-lasting and reliable performance, meeting John Deere's stringent quality standards. It is compatible with numerous John Deere tractor models, including those in the 4000, 5000, 6000, 7000, and 8000 series.