[20.0 - 35.0 - 7.0] oil seal FKM
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For example to be used as a crankshaft seal ring for Derbi D50B, EBE and EBS engines, Minarelli AM engines, as well as for Simson S51, S53, S70, S83, SR50, SR80, KR51/2, M541, M741. OEM numbers for comparison purposes only: Aprilia AP8206626, Piaggio 847020, Malossi 6615300B, Polini 285.0138
FPM, FKM, Viton®: Behind the abbreviations or names mentioned is the identical basic material - fluororubber. FKM is the abbreviation for fluoroelastomers according to the American ASTM standard. Viton®, on the other hand, is a trademark of the company DuPont Performance Elastomers. In our range, all fluoro rubber items are designated with the abbreviation FKM.