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I have an HKS oil temp sensor on my EK9 and there is an oil leak from the sandwich adapter plate at the oil filter. I suspect the leak is coming from the O ring behind the plate. Does this part look familiar to anyone? If so, do you know the O ring(s) size? I'm trying to buy the O rings before pulling the filter and plate so I don't have to do it twice. B16B sandwich adapter plate
HKS Oil Temp Sensor Adapter
