Worth trying given how quickly they can be fitted, even though they aren't metric size which I expect them to be, not that LR publish the size.
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Worth trying given how quickly they can be fitted, even though they aren't metric size which I expect them to be, not that LR publish the size.
According to UK site :-
Spigot dia 11.90mm - hole could well be BS611 spec of 12.0mm
O-ring groove dia 9.60mm - more than BS611 specs of 9.0mm
Old o-ring width 8.60mm. If anything, it would be wider than originally due to having been squashed.
New o-ring width 8.70mm - not quite BS611 specs of 8.78mm
Old o-ring on fitting 12.1mm
New o-ring on fitting 12.5mm
I think that you will find the 9mm/12mm spigot/bore diameters was initially my finding and that I proposed BS611 as being the most suitable BS size. However I bet that the cooler manufacturer used a metric size rather than BS but I haven't looked into what metric size would be appropriate.
I've had to replace mine's o-rings a 2nd time and the cooler gaskets have been leaking again for some time. I have the new part number gaskets but need the time and inclination to do the work.