Originally Posted by pyrate
yeah, change them. I guess I am just used to cartridge filters from my other bikes which always had a built in o-ring. This is the 1st internal filter I have ever changed and I just assumed a good idea to replace the filter and all the washers that come in the kit. I will re-think that.
Ahh, I see - we have introduced another factor here: The kit
I only buy the filters so I don't get any parts on the side. I'd probably change them if I bought the kit (why else would you buy it). But like I said before, I do check the parts I take off before recycling