Quote:
Originally Posted by jpliddy
its critical to remove and replace the cold start in the exact same position as it comes off the pump
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Very good for you to follow that important advice.
Perhaps you did not study the helpful parts table near the end of the IP re-seal howto?
Anyway, it shows
MSC-31959059 for the big one
and
1-460-210-301 (Bosch) for the small one.
Or you could take yours to a local o-ring supply house where they can size them and get you suitable replacements in viton.