- Seal Ring, spark plug shaft
- Connects the electrical circuit for the engine assembly and ensures reliable contact. Also listed as spark plug shaft seal ring.
- Febest "NCP-R51" - Not available
NISSAN - Murano, Pathfinder, Altima, Maxima, Skyline; INFINITI - FX, G; NISSAN (DFAC) - Teana, Murano