Fits XT500, TT500, SR500, SR400 CNC machined and anodized aluminum, comes with an o-ring Exact replacement for the original plastic part Despite the large outer hexagon of the cover cap, it should only be tightened 'hand-tight' - if oil leaks out, the o-ring should be checked first and replaced if necessary See associated replacement part, timing chain tensioner cap sealing o-ring, item # 22357 Alternatively, see silver aluminum anodized timing chain cap, item # 92070 Made by KEDO in Germany
