John Deere R116383 R121867 Cylinder Liner Assembly

This finished wet cylinder liner is engineered for John Deere PowerTech 3.9L (4039), 4.5L (4045), and 6.8L (6068) diesel engines. Constructed from gray cast iron for wear resistance and thermal stability. Features a 106.5 mm bore diameter, 218 mm overall height, 125.8 mm flange diameter, 120.0 mm outer diameter, and 9.75 mm flange width. Designed for slip-fit installation without machining; liner protrusion measurement is critical during assembly. Compatible with OEM sealing rings (AR65507). Directly replaces John Deere OEM part numbers R116383, R121867, R115336, R515037, R54505, R80500, and RE500024. Applications span construction and agricultural equipment including backhoe loaders, crawler loaders, dozers, combine harvesters, forage harvesters, wheel loaders, and row-crop tractors.