The John Deere WZW14386 Seal Kit is an authentic OEM replacement part designed for maintaining hydraulic system integrity across a wide range of John Deere agricultural and construction equipment. This kit, identified as FH102-NBR, contains essential seals made from durable NBR material, ensuring optimal performance and preventing fluid leaks. It provides a precise fit for numerous John Deere machines, including 6R, 7R, and 8R series tractors, S-series combines, 8000 and 9000 series forage harvesters, CP/CS690 cotton pickers, and R4000 series sprayers, ensuring reliable operation and extended component life.