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| 01-29-2021, 05:21 AM | #1 |
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Private
 
8
Rep 86
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OFHG Part no. - 3.0si
I'm seeing two P/Ns for Elring OFHG replacement (I've had good experience with Elring so that's what I'm going with): 504.530 and 632.090. They both look identical, but apparently are made of different materials - HNBR vs FPM. Which one would be better? Is the newer one updated with a better material thus will last longer?
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