The John Deere R100336 is a genuine OEM hydraulic gasket designed to provide a secure and leak-free seal in hydraulic systems. This critical component is manufactured to John Deere's stringent quality standards, ensuring optimal performance and durability. It is compatible with a range of John Deere agricultural and construction machinery, including specific tractor models like the 8640, 8440, and 8630, as well as various combine and cotton picker models. Using genuine John Deere parts like the R100336 helps maintain the integrity and efficiency of your equipment's hydraulic functions, preventing fluid loss and system contamination.