John Deere R49975 Back-Up Ring effective seal support designed to prevent seal extrusion, ensuring a secure seal even in high-pressure environments and significantly minimizing leakage. These backup rings increase durability by providing vital support for seals, which helps extend the lifespan of hydraulic components and reduces the need for frequent maintenance. By preventing leaks and prolonging component life, the John Deere Backup Rings deliver value-driven performance that contributes to reduced costs and greater efficiency in your hydraulic systems. Model Number: R49975