Valve Stem Seal

The Valves Stem Seal NRE31617 (equivalent to OEM RE31617) is a high-precision sealing component engineered for John Deere diesel engines, including models such as 3029D, 4039D, and 6068D PowerTech. Manufactured from high-temperature Viton rubber, this valve stem seal ensures oil-tight integrity under extreme conditions, protecting the combustion chamber from leaks while maintaining engine performance. Ideal for agricultural and industrial equipment maintenance, it meets or exceeds OEM specifications and is available individually or in multi-pack quantities. Weight: ~4.4 g per piece.